./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:32:00,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:32:00,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:32:00,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:32:00,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:32:00,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:32:00,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:32:00,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:32:00,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:32:00,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:32:00,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:32:00,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:32:00,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:32:00,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:00,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:32:00,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:32:00,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:32:00,653 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:32:00,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:32:00,653 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_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-12-06 04:32:00,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:32:00,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:32:00,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:32:00,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:32:00,896 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:32:00,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-12-06 04:32:03,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/b1da3868d/37ddf180458f4319a8996818ba58b44e/FLAGeb805a41a [2024-12-06 04:32:03,724 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:32:03,725 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-12-06 04:32:03,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/b1da3868d/37ddf180458f4319a8996818ba58b44e/FLAGeb805a41a [2024-12-06 04:32:03,746 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/b1da3868d/37ddf180458f4319a8996818ba58b44e [2024-12-06 04:32:03,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:32:03,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:32:03,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:03,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:32:03,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:32:03,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73396d2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03, skipping insertion in model container [2024-12-06 04:32:03,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:32:03,873 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-12-06 04:32:03,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:03,895 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:32:03,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-12-06 04:32:03,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:32:03,922 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:32:03,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03 WrapperNode [2024-12-06 04:32:03,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:32:03,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:03,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:32:03,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:32:03,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,948 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-12-06 04:32:03,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:32:03,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:32:03,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:32:03,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:32:03,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:32:03,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:32:03,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:32:03,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:32:03,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:32:03" (1/1) ... [2024-12-06 04:32:03,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:32:03,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:32:03,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:32:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:32:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:32:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:32:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:32:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:32:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:32:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:32:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 04:32:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 04:32:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:32:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:32:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:32:04,088 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:32:04,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:32:04,231 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:32:04,232 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:32:04,254 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:32:04,254 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:32:04,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:04 BoogieIcfgContainer [2024-12-06 04:32:04,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:32:04,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:32:04,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:32:04,263 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:32:04,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:32:04" (1/1) ... [2024-12-06 04:32:04,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:32:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 04:32:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 04:32:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:32:04,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:04,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 04:32:04,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:04,639 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2024-12-06 04:32:04,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2024-12-06 04:32:04,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:04,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:04,685 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-06 04:32:04,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-06 04:32:04,720 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:04,720 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 92 treesize of output 86 [2024-12-06 04:32:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:05,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-12-06 04:32:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-06 04:32:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:32:05,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:05,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:05,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-12-06 04:32:05,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:05,351 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 21 treesize of output 19 [2024-12-06 04:32:05,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 04:32:05,375 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:05,376 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2024-12-06 04:32:05,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 04:32:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-12-06 04:32:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2024-12-06 04:32:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 23 [2024-12-06 04:32:05,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:05,466 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:05,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-06 04:32:05,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:05,531 INFO L349 Elim1Store]: treesize reduction 50, result has 44.4 percent of original size [2024-12-06 04:32:05,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 66 [2024-12-06 04:32:05,536 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:05,537 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2024-12-06 04:32:05,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 04:32:05,652 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 38 treesize of output 36 [2024-12-06 04:32:05,707 INFO L349 Elim1Store]: treesize reduction 59, result has 30.6 percent of original size [2024-12-06 04:32:05,707 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 2 case distinctions, treesize of input 38 treesize of output 41 [2024-12-06 04:32:05,746 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-12-06 04:32:05,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 41 treesize of output 53 [2024-12-06 04:32:05,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 04:32:05,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-06 04:32:05,813 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:05,813 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 16 treesize of output 12 [2024-12-06 04:32:05,849 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:05,849 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 23 treesize of output 19 [2024-12-06 04:32:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:06,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 40 [2024-12-06 04:32:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-12-06 04:32:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-12-06 04:32:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:32:08,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:08,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:08,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 04:32:08,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 89 [2024-12-06 04:32:08,256 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,257 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2024-12-06 04:32:08,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2024-12-06 04:32:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,287 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 49 [2024-12-06 04:32:08,292 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,293 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2024-12-06 04:32:08,303 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 21 treesize of output 19 [2024-12-06 04:32:08,304 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-06 04:32:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 89 [2024-12-06 04:32:08,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 57 treesize of output 86 [2024-12-06 04:32:08,362 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 53 treesize of output 49 [2024-12-06 04:32:08,368 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,368 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2024-12-06 04:32:08,373 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,374 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2024-12-06 04:32:08,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 33 [2024-12-06 04:32:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 99 [2024-12-06 04:32:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,459 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:08,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-06 04:32:08,466 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,466 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2024-12-06 04:32:08,469 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 04:32:08,477 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,478 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 410 [2024-12-06 04:32:08,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2024-12-06 04:32:08,565 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2024-12-06 04:32:08,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 61 [2024-12-06 04:32:08,577 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,578 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2024-12-06 04:32:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,591 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:08,591 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2024-12-06 04:32:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:08,604 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 34 treesize of output 30 [2024-12-06 04:32:08,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:08,615 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 [2024-12-06 04:32:08,625 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:08,625 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 23 treesize of output 19 [2024-12-06 04:32:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 86 transitions. [2024-12-06 04:32:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-06 04:32:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:32:09,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:09,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:10,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:10,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-06 04:32:10,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:10,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:10,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:10,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:10,263 INFO L349 Elim1Store]: treesize reduction 181, result has 21.0 percent of original size [2024-12-06 04:32:10,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 228 treesize of output 261 [2024-12-06 04:32:10,275 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:10,276 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2024-12-06 04:32:10,309 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:32:10,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2024-12-06 04:32:10,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-06 04:32:10,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:10,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:10,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:10,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 23 [2024-12-06 04:32:11,013 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:11,015 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2024-12-06 04:32:11,026 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:32:11,027 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2024-12-06 04:32:11,123 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 274 treesize of output 240 [2024-12-06 04:32:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:11,194 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2024-12-06 04:32:11,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 315 [2024-12-06 04:32:11,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 269 [2024-12-06 04:32:11,242 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 243 treesize of output 246 [2024-12-06 04:32:11,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:11,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:11,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:11,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-12-06 04:32:11,421 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 43 treesize of output 42 [2024-12-06 04:32:11,503 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 7 treesize of output 5 [2024-12-06 04:32:11,510 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:32:11,512 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:32:11,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 82 [2024-12-06 04:32:11,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:32:11,533 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:32:11,533 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 1 case distinctions, treesize of input 17 treesize of output 3 [2024-12-06 04:32:11,580 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:32:11,585 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:32:11,586 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 1 case distinctions, treesize of input 17 treesize of output 3 [2024-12-06 04:32:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 41 [2024-12-06 04:32:13,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:13,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 41 [2024-12-06 04:32:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:32:24,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:32:27,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:32:33,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:32:33,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:32:33,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 63 states and 165 transitions. [2024-12-06 04:32:33,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 165 transitions. [2024-12-06 04:32:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:32:33,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:32:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:32:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:32:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:32:33,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-12-06 04:32:33,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:32:33,695 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2024-12-06 04:32:33,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-12-06 04:32:33,727 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2024-12-06 04:32:33,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-12-06 04:32:33,779 INFO L349 Elim1Store]: treesize reduction 147, result has 9.3 percent of original size [2024-12-06 04:32:33,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 155 treesize of output 22 [2024-12-06 04:32:33,826 INFO L349 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2024-12-06 04:32:33,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-12-06 04:32:33,844 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 04:32:33,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 04:32:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:38,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:32:38,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 51 [2024-12-06 04:32:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:32:52,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:32:53,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:32:56,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-06 04:33:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 74 states and 262 transitions. [2024-12-06 04:33:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 262 transitions. [2024-12-06 04:33:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 04:33:00,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:00,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:33:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:01,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 152 conjuncts are in the unsatisfiable core [2024-12-06 04:33:01,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,709 INFO L349 Elim1Store]: treesize reduction 258, result has 26.9 percent of original size [2024-12-06 04:33:01,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 238 treesize of output 511 [2024-12-06 04:33:01,766 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:33:01,766 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 76 treesize of output 70 [2024-12-06 04:33:01,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:01,845 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:01,903 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:01,975 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:02,000 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:02,012 INFO L224 Elim1Store]: Index analysis took 219 ms [2024-12-06 04:33:02,186 INFO L349 Elim1Store]: treesize reduction 201, result has 8.2 percent of original size [2024-12-06 04:33:02,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 195 treesize of output 323 [2024-12-06 04:33:02,205 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:02,206 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 395 [2024-12-06 04:33:02,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-12-06 04:33:02,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-12-06 04:33:03,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 50 [2024-12-06 04:33:03,110 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:03,111 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 655 [2024-12-06 04:33:03,359 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:03,360 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 658 [2024-12-06 04:33:03,792 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 04:33:03,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2024-12-06 04:33:04,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 142 [2024-12-06 04:33:04,048 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:04,048 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2024-12-06 04:33:04,049 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-12-06 04:33:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:04,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:04,092 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 04:33:04,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 53 treesize of output 43 [2024-12-06 04:33:04,156 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 42 treesize of output 1 [2024-12-06 04:33:04,428 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:04,430 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1216 [2024-12-06 04:33:05,404 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:05,407 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1066 [2024-12-06 04:33:06,573 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:06,574 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 535 [2024-12-06 04:33:06,852 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:06,855 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2138 [2024-12-06 04:33:07,783 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 693 treesize of output 635 [2024-12-06 04:33:08,081 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:33:08,085 INFO L158 Benchmark]: Toolchain (without parser) took 64334.88ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 117.1MB in the beginning and 157.7MB in the end (delta: -40.7MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. [2024-12-06 04:33:08,085 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:08,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.25ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:08,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.92ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:08,085 INFO L158 Benchmark]: Boogie Preprocessor took 17.55ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 788.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:08,085 INFO L158 Benchmark]: RCFGBuilder took 287.26ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:33:08,086 INFO L158 Benchmark]: CodeCheck took 63828.76ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 89.2MB in the beginning and 157.7MB in the end (delta: -68.6MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2024-12-06 04:33:08,087 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.25ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.92ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.55ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 788.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.26ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 89.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 63828.76ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 89.2MB in the beginning and 157.7MB in the end (delta: -68.6MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:33:08,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:33:10,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:33:10,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:33:10,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:33:10,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:33:10,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:33:10,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:33:10,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:33:10,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:33:10,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:33:10,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:10,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:33:10,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:33:10,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:33:10,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:10,128 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:33:10,128 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_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-12-06 04:33:10,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:33:10,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:33:10,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:33:10,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:33:10,365 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:33:10,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-12-06 04:33:13,009 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/7ebcf84b6/d6cd81b12f2548bd9e3a6053ac861cbb/FLAG590004466 [2024-12-06 04:33:13,208 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:33:13,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-12-06 04:33:13,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/7ebcf84b6/d6cd81b12f2548bd9e3a6053ac861cbb/FLAG590004466 [2024-12-06 04:33:13,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/data/7ebcf84b6/d6cd81b12f2548bd9e3a6053ac861cbb [2024-12-06 04:33:13,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:33:13,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:33:13,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:13,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:33:13,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:33:13,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9fc39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13, skipping insertion in model container [2024-12-06 04:33:13,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,588 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:33:13,721 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-12-06 04:33:13,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:13,749 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:33:13,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-12-06 04:33:13,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:13,782 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:33:13,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13 WrapperNode [2024-12-06 04:33:13,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:13,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:13,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:33:13,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:33:13,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,807 INFO L138 Inliner]: procedures = 20, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-12-06 04:33:13,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:13,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:33:13,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:33:13,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:33:13,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:33:13,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:33:13,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:33:13,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:33:13,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:13" (1/1) ... [2024-12-06 04:33:13,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:13,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:33:13,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:33:13,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:33:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 04:33:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-12-06 04:33:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:33:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:33:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-12-06 04:33:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:33:13,956 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:33:13,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:33:14,337 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:33:14,337 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:33:14,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:33:14,367 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:33:14,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:14 BoogieIcfgContainer [2024-12-06 04:33:14,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:33:14,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:33:14,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:33:14,382 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:33:14,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:14" (1/1) ... [2024-12-06 04:33:14,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:33:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 04:33:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 04:33:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:33:14,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:14,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:14,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:14,442 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:14,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:33:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:14,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:15,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 04:33:15,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:15,445 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-12-06 04:33:15,446 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 63 [2024-12-06 04:33:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:15,501 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 04:33:15,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 60 [2024-12-06 04:33:15,559 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:33:15,560 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 31 treesize of output 27 [2024-12-06 04:33:15,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 42 [2024-12-06 04:33:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:16,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:33:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-12-06 04:33:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-12-06 04:33:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:33:17,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:17,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:17,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:17,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:17,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:33:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:19,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:20,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 04:33:20,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:20,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:20,569 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-12-06 04:33:20,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2024-12-06 04:33:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:20,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:20,752 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-06 04:33:20,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2024-12-06 04:33:20,902 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:33:20,903 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 107 treesize of output 99 [2024-12-06 04:33:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:24,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:24,057 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 229 treesize of output 172 [2024-12-06 04:33:24,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 126 treesize of output 117 [2024-12-06 04:33:24,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 154 treesize of output 113 [2024-12-06 04:33:24,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 144 [2024-12-06 04:33:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:25,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:33:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-12-06 04:33:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-12-06 04:33:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:33:41,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:41,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:41,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:41,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:41,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:33:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:42,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:42,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 04:33:42,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:42,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 77 [2024-12-06 04:33:42,277 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 04:33:42,278 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2024-12-06 04:33:42,293 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 122 treesize of output 108 [2024-12-06 04:33:42,383 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 21 treesize of output 19 [2024-12-06 04:33:42,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 82 [2024-12-06 04:33:42,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 83 [2024-12-06 04:33:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,673 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:33:42,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2024-12-06 04:33:42,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 36 [2024-12-06 04:33:42,771 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:42,773 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 15 treesize of output 19 [2024-12-06 04:33:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:42,810 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 15 treesize of output 19 [2024-12-06 04:33:42,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:42,861 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:42,880 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2024-12-06 04:33:42,880 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2024-12-06 04:33:42,959 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:33:42,959 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 23 treesize of output 19 [2024-12-06 04:33:43,025 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 45 treesize of output 39 [2024-12-06 04:33:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 77 [2024-12-06 04:33:43,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:33:43,214 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 77 treesize of output 78 [2024-12-06 04:33:43,258 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:33:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:33:46,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 04:33:57,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 86 transitions. [2024-12-06 04:33:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-06 04:33:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:33:57,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:57,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:57,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:57,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:33:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:59,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:59,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-06 04:33:59,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:00,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:00,061 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 04:34:00,659 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-12-06 04:34:00,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2024-12-06 04:34:00,764 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-12-06 04:34:00,765 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 92 treesize of output 86 [2024-12-06 04:34:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:00,967 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-12-06 04:34:00,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2024-12-06 04:34:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:03,390 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 229 treesize of output 172 [2024-12-06 04:34:03,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 155 treesize of output 114 [2024-12-06 04:34:03,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 110 treesize of output 101 [2024-12-06 04:34:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:07,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:07,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 04:34:07,919 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 321 treesize of output 264 [2024-12-06 04:34:07,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 206 treesize of output 197 [2024-12-06 04:34:07,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 326 treesize of output 285 [2024-12-06 04:34:09,953 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-12-06 04:34:09,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 496 treesize of output 428 [2024-12-06 04:34:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:34:10,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:34:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 122 transitions. [2024-12-06 04:34:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2024-12-06 04:34:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:34:39,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:39,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:39,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:39,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:34:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:40,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:34:50,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:34:50,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:34:50,399 INFO L158 Benchmark]: Toolchain (without parser) took 96827.30ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 60.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-12-06 04:34:50,399 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:34:50,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.37ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:34:50,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.90ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:34:50,399 INFO L158 Benchmark]: Boogie Preprocessor took 21.10ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:34:50,400 INFO L158 Benchmark]: RCFGBuilder took 537.45ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 39.1MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:34:50,400 INFO L158 Benchmark]: CodeCheck took 96030.16ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 60.7MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:34:50,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.37ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.90ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.10ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.2MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 537.45ms. Allocated memory is still 92.3MB. Free memory was 55.2MB in the beginning and 39.1MB in the end (delta: 16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 96030.16ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 60.7MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:34:50,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf543d7c-73ca-4494-8407-8cf1685d6ea0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown