./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm --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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:29:34,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:29:34,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:29:34,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:29:34,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:29:34,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:29:34,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:29:34,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:29:34,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:29:34,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:29:34,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:29:34,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:29:34,471 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:29:34,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:29:34,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:29:34,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:34,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:29:34,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:29:34,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:29:34,472 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:29:34,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:29:34,472 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_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-11-13 21:29:34,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:29:34,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:29:34,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:29:34,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:29:34,881 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:29:34,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c Unable to find full path for "g++" [2024-11-13 21:29:36,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:29:37,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:29:37,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-11-13 21:29:37,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/43e218f65/8dbdc290e51e45258ba8c80a3badb7cd/FLAGc60e96446 [2024-11-13 21:29:37,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/43e218f65/8dbdc290e51e45258ba8c80a3badb7cd [2024-11-13 21:29:37,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:29:37,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:29:37,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:37,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:29:37,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:29:37,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2f4b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37, skipping insertion in model container [2024-11-13 21:29:37,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:29:37,540 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_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-13 21:29:37,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:37,575 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:29:37,586 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_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-13 21:29:37,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:37,623 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:29:37,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37 WrapperNode [2024-11-13 21:29:37,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:37,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:37,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:29:37,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:29:37,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,666 INFO L138 Inliner]: procedures = 16, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2024-11-13 21:29:37,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:37,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:29:37,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:29:37,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:29:37,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:29:37,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:29:37,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:29:37,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:29:37,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:37" (1/1) ... [2024-11-13 21:29:37,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:37,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:29:37,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:29:37,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:29:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:29:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:29:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:29:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:29:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:29:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:29:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:29:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-13 21:29:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-13 21:29:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:29:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:29:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:29:37,891 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:29:37,892 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:29:38,068 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:29:38,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:29:38,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:29:38,104 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:29:38,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:38 BoogieIcfgContainer [2024-11-13 21:29:38,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:29:38,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:29:38,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:29:38,118 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:29:38,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:38" (1/1) ... [2024-11-13 21:29:38,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:29:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 21:29:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 21:29:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:29:38,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:29:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:38,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 21:29:38,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:38,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:38,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:38,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:38,948 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-13 21:29:38,949 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 4 case distinctions, treesize of input 130 treesize of output 333 [2024-11-13 21:29:39,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-13 21:29:39,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-13 21:29:39,195 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 21:29:39,196 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 110 treesize of output 100 [2024-11-13 21:29:39,708 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 33 treesize of output 29 [2024-11-13 21:29:39,777 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 33 treesize of output 29 [2024-11-13 21:29:39,843 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 33 treesize of output 29 [2024-11-13 21:29:39,974 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:39,979 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2024-11-13 21:29:40,439 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:40,444 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2024-11-13 21:29:40,785 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:40,791 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2024-11-13 21:29:41,263 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:41,267 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2024-11-13 21:29:41,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:41,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:41,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:42,164 INFO L349 Elim1Store]: treesize reduction 237, result has 11.9 percent of original size [2024-11-13 21:29:42,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 655 treesize of output 821 [2024-11-13 21:29:42,297 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:42,301 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2024-11-13 21:29:42,312 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:42,314 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 415 [2024-11-13 21:29:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,482 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 123 treesize of output 93 [2024-11-13 21:29:42,626 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:42,627 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 373 [2024-11-13 21:29:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:42,847 INFO L349 Elim1Store]: treesize reduction 73, result has 14.1 percent of original size [2024-11-13 21:29:42,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1436 treesize of output 1354 [2024-11-13 21:29:43,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 19 [2024-11-13 21:29:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-13 21:29:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 21:29:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:29:43,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:29:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:43,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-13 21:29:43,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:43,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,933 INFO L349 Elim1Store]: treesize reduction 127, result has 27.4 percent of original size [2024-11-13 21:29:43,933 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 5 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 207 [2024-11-13 21:29:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:43,992 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:44,067 INFO L349 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2024-11-13 21:29:44,067 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 6 case distinctions, treesize of input 104 treesize of output 130 [2024-11-13 21:29:44,077 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:44,078 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 192 [2024-11-13 21:29:44,121 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 21:29:44,121 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 [2024-11-13 21:29:44,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:29:44,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-13 21:29:44,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-13 21:29:44,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:44,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:29:44,470 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 81 treesize of output 135 [2024-11-13 21:29:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:44,534 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 21:29:44,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 32 [2024-11-13 21:29:44,549 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:44,550 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2024-11-13 21:29:44,552 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 21:29:44,672 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:29:44,680 INFO L158 Benchmark]: Toolchain (without parser) took 7385.70ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 95.5MB in the beginning and 115.0MB in the end (delta: -19.5MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2024-11-13 21:29:44,681 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:44,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.96ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:29:44,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.34ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:44,681 INFO L158 Benchmark]: Boogie Preprocessor took 29.79ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:29:44,682 INFO L158 Benchmark]: RCFGBuilder took 406.37ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 68.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:29:44,682 INFO L158 Benchmark]: CodeCheck took 6572.97ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 115.0MB in the end (delta: -46.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-13 21:29:44,687 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 0.49ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.96ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.34ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.79ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.37ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 68.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6572.97ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 68.7MB in the beginning and 115.0MB in the end (delta: -46.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:29:44,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/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_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm --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 ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:29:47,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:29:47,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:29:47,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:29:47,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:29:47,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:29:47,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:29:47,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:29:47,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:29:47,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:29:47,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:29:47,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:29:47,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:29:47,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:29:47,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:29:47,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:29:47,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:29:47,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:29:47,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:29:47,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:29:47,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:29:47,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:47,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:29:47,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:29:47,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:29:47,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:29:47,567 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:47,567 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:29:47,567 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_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> ad27d809606deb561fe152191ab0a1443c0552410f06ac9bb9a7a7bf17dec4e9 [2024-11-13 21:29:47,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:29:47,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:29:47,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:29:47,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:29:47,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:29:47,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c Unable to find full path for "g++" [2024-11-13 21:29:49,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:29:50,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:29:50,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c [2024-11-13 21:29:50,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/109286c88/153b364451714537be0d4a87e6d2ea52/FLAGb525226ed [2024-11-13 21:29:50,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/data/109286c88/153b364451714537be0d4a87e6d2ea52 [2024-11-13 21:29:50,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:29:50,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:29:50,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:50,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:29:50,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:29:50,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77af4e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50, skipping insertion in model container [2024-11-13 21:29:50,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:29:50,447 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_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-13 21:29:50,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:50,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:29:50,504 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_30338af7-5d44-4dec-8731-9b7b757db432/sv-benchmarks/c/recursified_nla-digbench/recursified_ps2-ll.c[983,996] [2024-11-13 21:29:50,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:50,545 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:29:50,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50 WrapperNode [2024-11-13 21:29:50,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:50,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:50,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:29:50,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:29:50,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,587 INFO L138 Inliner]: procedures = 20, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-13 21:29:50,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:50,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:29:50,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:29:50,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:29:50,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:29:50,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:29:50,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:29:50,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:29:50,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:50" (1/1) ... [2024-11-13 21:29:50,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:50,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:29:50,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:29:50,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:29:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-13 21:29:50,697 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-13 21:29:50,697 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-13 21:29:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:29:50,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:29:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:29:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:29:50,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:29:50,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:29:51,057 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:29:51,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:29:51,111 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:29:51,111 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:29:51,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:51 BoogieIcfgContainer [2024-11-13 21:29:51,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:29:51,115 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:29:51,115 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:29:51,126 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:29:51,126 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:29:51" (1/1) ... [2024-11-13 21:29:51,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:29:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-13 21:29:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 21:29:51,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:29:51,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:51,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:51,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:29:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:51,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:51,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:29:51,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:51,931 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 71 treesize of output 70 [2024-11-13 21:29:51,952 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:51,954 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-11-13 21:29:51,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:29:52,031 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 [2024-11-13 21:29:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,176 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 76 treesize of output 75 [2024-11-13 21:29:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,271 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:29:52,272 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 [2024-11-13 21:29:52,310 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 79 treesize of output 78 [2024-11-13 21:29:52,332 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:52,335 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-13 21:29:52,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:52,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-11-13 21:29:52,401 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 40 treesize of output 1 [2024-11-13 21:29:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,534 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:52,597 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-11-13 21:29:52,597 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 53 treesize of output 55 [2024-11-13 21:29:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-11-13 21:29:52,658 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:29:52,659 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 [2024-11-13 21:29:52,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:52,735 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 71 treesize of output 70 [2024-11-13 21:29:52,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:29:53,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:29:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-13 21:29:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 21:29:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:29:54,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:54,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:29:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:29:54,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:29:54,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:29:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:55,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:29:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:55,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:29:55,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:56,098 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-13 21:29:56,099 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 71 treesize of output 72 [2024-11-13 21:29:56,107 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:56,108 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-13 21:29:56,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:29:56,375 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 [2024-11-13 21:29:56,414 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:29:56,415 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 [2024-11-13 21:29:56,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:29:56,515 INFO L349 Elim1Store]: treesize reduction 30, result has 31.8 percent of original size [2024-11-13 21:29:56,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2024-11-13 21:29:56,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2024-11-13 21:29:56,893 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-13 21:29:56,894 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 3 case distinctions, treesize of input 71 treesize of output 72 [2024-11-13 21:29:56,901 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:56,903 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-13 21:29:56,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:29:57,174 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 [2024-11-13 21:29:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:57,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:57,257 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 76 treesize of output 75 [2024-11-13 21:29:57,275 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:29:57,276 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2024-11-13 21:29:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:57,437 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:29:57,437 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 [2024-11-13 21:29:57,483 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 21:29:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:59,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:59,692 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 165 treesize of output 124 [2024-11-13 21:29:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:59,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 21:29:59,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:29:59,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-13 21:30:00,299 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 125 treesize of output 77 [2024-11-13 21:30:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:00,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:30:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 64 transitions. [2024-11-13 21:30:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-13 21:30:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:30:07,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:07,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:07,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:07,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:30:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:08,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:08,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:30:08,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:09,466 INFO L349 Elim1Store]: treesize reduction 228, result has 21.1 percent of original size [2024-11-13 21:30:09,467 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 4 case distinctions, treesize of input 170 treesize of output 373 [2024-11-13 21:30:09,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:09,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2024-11-13 21:30:09,742 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:30:09,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2024-11-13 21:30:09,787 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:09,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2024-11-13 21:30:10,330 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:10,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-11-13 21:30:10,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:10,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-11-13 21:30:11,056 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:11,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 38 [2024-11-13 21:30:11,285 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:11,292 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 519 [2024-11-13 21:30:12,299 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:12,303 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 560 [2024-11-13 21:30:13,273 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:13,278 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 716 [2024-11-13 21:30:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:15,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 405 treesize of output 368 [2024-11-13 21:30:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:15,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:15,704 INFO L224 Elim1Store]: Index analysis took 108 ms [2024-11-13 21:30:15,778 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-13 21:30:15,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 250 treesize of output 221 [2024-11-13 21:30:16,531 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:16,533 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 509 [2024-11-13 21:30:17,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:17,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:17,129 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-13 21:30:17,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 142 treesize of output 105 [2024-11-13 21:30:17,202 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:17,205 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 597 [2024-11-13 21:30:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:19,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:30:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 86 transitions. [2024-11-13 21:30:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-13 21:30:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:30:24,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:24,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:24,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:24,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:30:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 21:30:25,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:25,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:26,072 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-11-13 21:30:26,072 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 3 case distinctions, treesize of input 53 treesize of output 53 [2024-11-13 21:30:26,242 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-13 21:30:26,242 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 53 treesize of output 61 [2024-11-13 21:30:26,415 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:30:26,416 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 [2024-11-13 21:30:26,769 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-13 21:30:26,770 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 3 case distinctions, treesize of input 71 treesize of output 72 [2024-11-13 21:30:26,775 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:26,776 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2024-11-13 21:30:26,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:30:27,030 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 [2024-11-13 21:30:27,307 INFO L349 Elim1Store]: treesize reduction 69, result has 40.0 percent of original size [2024-11-13 21:30:27,308 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 71 treesize of output 72 [2024-11-13 21:30:27,504 INFO L349 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2024-11-13 21:30:27,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 87 [2024-11-13 21:30:27,511 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:27,512 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-13 21:30:27,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:30:27,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 104 [2024-11-13 21:30:27,663 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-11-13 21:30:27,853 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 [2024-11-13 21:30:27,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:27,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:27,947 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 76 treesize of output 75 [2024-11-13 21:30:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:28,034 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:30:28,035 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 [2024-11-13 21:30:28,129 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 79 treesize of output 78 [2024-11-13 21:30:28,143 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:30:28,144 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-13 21:30:28,167 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:28,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-11-13 21:30:28,194 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 21:30:29,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:29,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:29,226 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 165 treesize of output 124 [2024-11-13 21:30:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:29,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-13 21:30:29,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:29,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 21:30:31,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:31,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:31,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:31,647 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 209 treesize of output 168 [2024-11-13 21:30:31,658 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 114 treesize of output 105 [2024-11-13 21:30:31,667 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 182 treesize of output 157 [2024-11-13 21:30:32,810 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-13 21:30:32,810 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 253 treesize of output 209 [2024-11-13 21:30:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:33,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:30:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 54 states and 122 transitions. [2024-11-13 21:30:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2024-11-13 21:30:48,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:30:48,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:48,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:30:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:30:48,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:30:48,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:30:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:48,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:30:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:48,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 21:30:48,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:48,851 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:48,861 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 42 treesize of output 40 [2024-11-13 21:30:48,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:49,045 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-11-13 21:30:49,046 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 37 treesize of output 47 [2024-11-13 21:30:49,139 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-13 21:30:49,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 47 [2024-11-13 21:30:49,208 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:30:49,376 INFO L349 Elim1Store]: treesize reduction 42, result has 34.4 percent of original size [2024-11-13 21:30:49,376 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 42 treesize of output 52 [2024-11-13 21:30:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:49,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2024-11-13 21:30:49,643 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2024-11-13 21:30:49,644 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 2 case distinctions, treesize of input 52 treesize of output 50 [2024-11-13 21:31:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:31:35,664 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-13 21:31:35,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 49 [2024-11-13 21:31:35,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:31:36,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-13 21:31:41,019 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 128 treesize of output 56 [2024-11-13 21:31:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:31:41,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:35:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:48,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 65 states and 200 transitions. [2024-11-13 21:35:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 200 transitions. [2024-11-13 21:35:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:35:48,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:48,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:48,148 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:48,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:35:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:49,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:49,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-13 21:35:49,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,747 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 76 treesize of output 75 [2024-11-13 21:35:49,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,811 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 79 treesize of output 78 [2024-11-13 21:35:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:49,942 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:35:49,943 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 [2024-11-13 21:35:49,978 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:35:49,978 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2024-11-13 21:35:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:49,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 143 [2024-11-13 21:35:50,016 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 40 treesize of output 1 [2024-11-13 21:35:50,122 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 [2024-11-13 21:35:50,165 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 71 treesize of output 70 [2024-11-13 21:35:50,171 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:35:50,172 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2024-11-13 21:35:50,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-13 21:35:50,241 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:50,500 INFO L349 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2024-11-13 21:35:50,500 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 3 case distinctions, treesize of input 53 treesize of output 53 [2024-11-13 21:35:50,697 INFO L349 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2024-11-13 21:35:50,697 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 53 treesize of output 61 [2024-11-13 21:35:50,921 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:35:50,921 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 [2024-11-13 21:35:50,983 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 [2024-11-13 21:35:51,049 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 71 treesize of output 70 [2024-11-13 21:35:51,101 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 74 treesize of output 73 [2024-11-13 21:35:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:51,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2024-11-13 21:35:51,179 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:51,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 21:35:51,225 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:35:51,226 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-13 21:35:51,259 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:51,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2024-11-13 21:35:51,310 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:51,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 21:35:51,355 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:35:51,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2024-11-13 21:35:52,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:52,922 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 165 treesize of output 124 [2024-11-13 21:35:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:52,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-13 21:35:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:53,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 21:35:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:35:55,018 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 209 treesize of output 168 [2024-11-13 21:35:55,034 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 114 treesize of output 105 [2024-11-13 21:35:55,048 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 182 treesize of output 157 [2024-11-13 21:36:04,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:36:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:36:04,904 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-11-13 21:36:04,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-11-13 21:36:04,936 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 222 treesize of output 213 [2024-11-13 21:36:04,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 504 treesize of output 465 [2024-11-13 21:36:05,007 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:36:05,008 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2024-11-13 21:36:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:36:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:36:51,243 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 21:36:51,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 746 treesize of output 720 [2024-11-13 21:36:51,383 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:36:51,385 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2024-11-13 21:36:51,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 458 treesize of output 450 [2024-11-13 21:36:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:36:53,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:43:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 79 states and 296 transitions. [2024-11-13 21:43:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 296 transitions. [2024-11-13 21:43:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:43:24,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:24,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:24,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:24,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:43:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:25,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:26,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-13 21:43:26,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:43:27,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:27,013 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 21:43:27,377 INFO L349 Elim1Store]: treesize reduction 111, result has 24.5 percent of original size [2024-11-13 21:43:27,377 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 79 treesize of output 77 [2024-11-13 21:43:27,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:27,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:27,512 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-13 21:43:27,512 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 77 treesize of output 78 [2024-11-13 21:43:27,591 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-13 21:43:27,592 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 132 treesize of output 126 [2024-11-13 21:43:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:28,996 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 165 treesize of output 124 [2024-11-13 21:43:29,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:29,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2024-11-13 21:43:29,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:29,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-13 21:43:30,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:30,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:30,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:30,865 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 209 treesize of output 168 [2024-11-13 21:43:30,878 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 114 treesize of output 105 [2024-11-13 21:43:30,889 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 182 treesize of output 157 [2024-11-13 21:43:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:43:37,070 INFO L349 Elim1Store]: treesize reduction 152, result has 28.0 percent of original size [2024-11-13 21:43:37,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 463 treesize of output 421 [2024-11-13 21:43:37,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 225 treesize of output 186 [2024-11-13 21:43:37,104 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 317 [2024-11-13 21:43:37,258 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-11-13 21:43:37,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 302 treesize of output 264 [2024-11-13 21:43:37,275 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:43:37,275 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2024-11-13 21:43:41,449 INFO L349 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2024-11-13 21:43:41,449 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 589 treesize of output 545 [2024-11-13 21:43:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:43:41,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30338af7-5d44-4dec-8731-9b7b757db432/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0