./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9 --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 f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:35:25,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:35:26,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:35:26,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:35:26,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:35:26,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:35:26,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:35:26,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:35:26,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:35:26,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:35:26,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:35:26,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:35:26,075 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:35:26,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:35:26,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:35:26,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:35:26,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:35:26,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:35:26,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:35:26,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:35:26,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:35:26,080 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:35:26,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:35:26,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:35:26,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:35:26,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:35:26,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:26,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:35:26,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:35:26,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:35:26,085 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:35:26,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:35:26,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:35:26,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 [2023-12-03 00:35:26,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:35:26,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:35:26,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:35:26,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:35:26,306 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:35:26,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2023-12-03 00:35:29,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:35:29,247 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:35:29,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2023-12-03 00:35:29,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/e23d2129b/47959b825c9b455f912f61127d516901/FLAG47b6371ae [2023-12-03 00:35:29,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/e23d2129b/47959b825c9b455f912f61127d516901 [2023-12-03 00:35:29,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:35:29,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:35:29,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:29,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:35:29,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:35:29,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee3195e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29, skipping insertion in model container [2023-12-03 00:35:29,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,303 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:35:29,418 WARN L240 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_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2023-12-03 00:35:29,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:29,488 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:35:29,498 WARN L240 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_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2023-12-03 00:35:29,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:35:29,553 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:35:29,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29 WrapperNode [2023-12-03 00:35:29,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:35:29,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:29,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:35:29,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:35:29,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,622 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-12-03 00:35:29,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:35:29,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:35:29,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:35:29,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:35:29,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:35:29,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:35:29,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:35:29,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:35:29,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:35:29" (1/1) ... [2023-12-03 00:35:29,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:35:29,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:35:29,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:35:29,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:35:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:35:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 00:35:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:35:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 00:35:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:35:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-03 00:35:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:35:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:35:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:35:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:35:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:35:29,860 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:35:29,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:35:30,320 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:35:30,723 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:35:30,724 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:35:30,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:30 BoogieIcfgContainer [2023-12-03 00:35:30,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:35:30,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:35:30,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:35:30,735 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:35:30,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:35:30" (1/1) ... [2023-12-03 00:35:30,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:35:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-12-03 00:35:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-12-03 00:35:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:35:30,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:34,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 139 conjunts are in the unsatisfiable core [2023-12-03 00:35:34,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:34,413 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 39 treesize of output 26 [2023-12-03 00:35:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:34,926 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 32 treesize of output 28 [2023-12-03 00:35:35,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:35,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2023-12-03 00:35:35,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:35,826 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 46 treesize of output 38 [2023-12-03 00:35:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:36,448 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 0 case distinctions, treesize of input 62 treesize of output 51 [2023-12-03 00:35:36,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:36,966 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 0 case distinctions, treesize of input 62 treesize of output 51 [2023-12-03 00:35:38,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:38,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:38,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 68 [2023-12-03 00:35:38,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:38,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:38,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 80 [2023-12-03 00:35:39,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:39,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 80 [2023-12-03 00:35:39,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:39,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:39,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 80 [2023-12-03 00:35:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:35:43,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 328 [2023-12-03 00:35:43,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 260 [2023-12-03 00:35:44,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 257 [2023-12-03 00:36:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 289 proven. 54 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-12-03 00:36:10,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:12,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:13,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:19,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-03 00:36:19,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 92 states and 180 transitions. [2023-12-03 00:36:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 180 transitions. [2023-12-03 00:36:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-03 00:36:19,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:19,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:36:29,944 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) 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) [2023-12-03 00:36:29,946 INFO L158 Benchmark]: Toolchain (without parser) took 60675.44ms. Allocated memory was 172.0MB in the beginning and 423.6MB in the end (delta: 251.7MB). Free memory was 127.8MB in the beginning and 184.8MB in the end (delta: -56.9MB). Peak memory consumption was 196.5MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,947 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:29,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.55ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 113.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.62ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 108.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,949 INFO L158 Benchmark]: Boogie Preprocessor took 59.54ms. Allocated memory is still 172.0MB. Free memory was 108.5MB in the beginning and 105.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,949 INFO L158 Benchmark]: RCFGBuilder took 1041.95ms. Allocated memory was 172.0MB in the beginning and 243.3MB in the end (delta: 71.3MB). Free memory was 105.2MB in the beginning and 125.8MB in the end (delta: -20.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,950 INFO L158 Benchmark]: CodeCheck took 59219.56ms. Allocated memory was 243.3MB in the beginning and 423.6MB in the end (delta: 180.4MB). Free memory was 125.8MB in the beginning and 184.8MB in the end (delta: -58.9MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2023-12-03 00:36:29,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 114.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.55ms. Allocated memory is still 172.0MB. Free memory was 127.8MB in the beginning and 113.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.62ms. Allocated memory is still 172.0MB. Free memory was 113.1MB in the beginning and 108.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.54ms. Allocated memory is still 172.0MB. Free memory was 108.5MB in the beginning and 105.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1041.95ms. Allocated memory was 172.0MB in the beginning and 243.3MB in the end (delta: 71.3MB). Free memory was 105.2MB in the beginning and 125.8MB in the end (delta: -20.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * CodeCheck took 59219.56ms. Allocated memory was 243.3MB in the beginning and 423.6MB in the end (delta: 180.4MB). Free memory was 125.8MB in the beginning and 184.8MB in the end (delta: -58.9MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:36:30,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9 --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 f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:36:31,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:36:32,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:36:32,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:36:32,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:36:32,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:36:32,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:36:32,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:36:32,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:36:32,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:36:32,064 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:36:32,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:36:32,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:36:32,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:36:32,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:36:32,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:36:32,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:36:32,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:36:32,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:36:32,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:36:32,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:36:32,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:36:32,076 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:36:32,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:36:32,077 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:36:32,078 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:32,078 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:36:32,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:36:32,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:36:32,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:36:32,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:36:32,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:36:32,081 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:36:32,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:32,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:36:32,082 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:36:32,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:36:32,082 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a95c837253461e666811310d33281cfc4592599bb0e38960c7585c8a470237 [2023-12-03 00:36:32,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:36:32,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:36:32,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:36:32,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:36:32,472 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:36:32,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2023-12-03 00:36:35,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:36:35,862 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:36:35,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i [2023-12-03 00:36:35,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/b2cae691e/89612c5fc9644946a59273343ef093f8/FLAG358c0b7c9 [2023-12-03 00:36:35,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/data/b2cae691e/89612c5fc9644946a59273343ef093f8 [2023-12-03 00:36:35,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:36:35,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:36:35,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:36:35,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:36:35,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:36:35,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:35" (1/1) ... [2023-12-03 00:36:35,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7462e4a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:35, skipping insertion in model container [2023-12-03 00:36:35,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:35" (1/1) ... [2023-12-03 00:36:35,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:36:36,150 WARN L240 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_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2023-12-03 00:36:36,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:36:36,252 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:36:36,270 WARN L240 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_18bf28cb-b14f-4679-a02a-c5d00837d8cc/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-84.i[916,929] [2023-12-03 00:36:36,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:36:36,355 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:36:36,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36 WrapperNode [2023-12-03 00:36:36,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:36:36,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:36:36,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:36:36,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:36:36,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,438 INFO L138 Inliner]: procedures = 33, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 382 [2023-12-03 00:36:36,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:36:36,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:36:36,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:36:36,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:36:36,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:36:36,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:36:36,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:36:36,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:36:36,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:36" (1/1) ... [2023-12-03 00:36:36,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:36:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:36:36,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:36:36,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:36:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:36:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:36:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-03 00:36:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:36:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 00:36:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-03 00:36:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 00:36:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 00:36:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:36:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:36:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:36:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:36:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-03 00:36:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-03 00:36:36,779 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:36:36,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:36:37,531 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:36:38,145 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:36:38,145 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:36:38,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:38 BoogieIcfgContainer [2023-12-03 00:36:38,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:36:38,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:36:38,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:36:38,162 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:36:38,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:38" (1/1) ... [2023-12-03 00:36:38,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:36:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 49 states and 69 transitions. [2023-12-03 00:36:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2023-12-03 00:36:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:36:38,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:38,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:38,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:38,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:38,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:36:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:41,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:47,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 116 conjunts are in the unsatisfiable core [2023-12-03 00:36:47,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:47,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 27 [2023-12-03 00:36:48,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2023-12-03 00:36:50,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 103 [2023-12-03 00:36:52,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 154 [2023-12-03 00:36:54,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:36:54,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 131 [2023-12-03 00:36:57,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:36:57,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 206 treesize of output 147 [2023-12-03 00:37:03,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:37:03,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 16 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 223 treesize of output 163 [2023-12-03 00:37:06,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:37:06,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 164 [2023-12-03 00:37:10,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:37:10,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 24 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 180 [2023-12-03 00:37:15,289 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:37:15,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 1 case distinctions, treesize of input 243 treesize of output 183 [2023-12-03 00:37:24,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 491 treesize of output 461 [2023-12-03 00:37:25,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 266 treesize of output 263 [2023-12-03 00:37:50,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 42 [2023-12-03 00:38:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 269 proven. 104 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:38:02,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:38:38,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:38:42,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:38:45,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:38:47,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:38:47,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 92 states and 243 transitions. [2023-12-03 00:38:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 243 transitions. [2023-12-03 00:38:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:38:47,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:47,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:47,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:47,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:47,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:38:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:49,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:54,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 00:38:54,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:54,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-03 00:38:56,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2023-12-03 00:38:58,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 74 [2023-12-03 00:39:00,812 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 157 treesize of output 129 [2023-12-03 00:39:03,423 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:03,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 100 [2023-12-03 00:39:06,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:06,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 179 treesize of output 120 [2023-12-03 00:39:14,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:14,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 137 [2023-12-03 00:39:19,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:19,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 143 [2023-12-03 00:39:23,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:23,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 159 [2023-12-03 00:39:29,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:39:29,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 223 treesize of output 172 [2023-12-03 00:39:40,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 477 treesize of output 441 [2023-12-03 00:39:41,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 260 treesize of output 259 [2023-12-03 00:40:18,798 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:40:30,697 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:40:30,700 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2023-12-03 00:40:35,362 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 266 proven. 105 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:40:35,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:43:10,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.89s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:43:13,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:43:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 97 states and 339 transitions. [2023-12-03 00:43:13,536 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 339 transitions. [2023-12-03 00:43:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:43:13,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:13,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:13,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:13,546 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:13,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:43:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:16,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:24,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 110 conjunts are in the unsatisfiable core [2023-12-03 00:43:24,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:24,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-03 00:43:25,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2023-12-03 00:43:26,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 74 [2023-12-03 00:43:27,568 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 157 treesize of output 129 [2023-12-03 00:43:28,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:43:28,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 100 [2023-12-03 00:43:30,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:43:30,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 182 treesize of output 112 [2023-12-03 00:43:45,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:43:45,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 125 [2023-12-03 00:43:50,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:43:50,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 137 [2023-12-03 00:43:56,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:43:56,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 207 treesize of output 157 [2023-12-03 00:44:05,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:44:05,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 226 treesize of output 175 [2023-12-03 00:44:25,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 480 treesize of output 444 [2023-12-03 00:44:26,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 262 [2023-12-03 00:45:26,083 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 29 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 00:45:27,997 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:45:27,998 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2023-12-03 00:45:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 263 proven. 105 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:45:31,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:45:31,166 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:46:39,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:46:42,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:46:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 102 states and 435 transitions. [2023-12-03 00:46:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 435 transitions. [2023-12-03 00:46:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 00:46:43,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:46:43,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:46:43,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:46:43,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:46:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:47,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:46:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:55,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-03 00:46:55,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:46:56,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2023-12-03 00:46:59,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-03 00:47:03,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 67 [2023-12-03 00:47:07,655 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 124 treesize of output 98 [2023-12-03 00:47:12,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:12,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 101 [2023-12-03 00:47:18,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:18,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 117 [2023-12-03 00:47:35,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:35,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 174 treesize of output 125 [2023-12-03 00:47:42,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:42,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 137 [2023-12-03 00:47:49,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:49,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 149 [2023-12-03 00:47:58,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:47:58,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 171 [2023-12-03 00:48:16,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 445 treesize of output 411 [2023-12-03 00:48:17,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 255 treesize of output 256 [2023-12-03 00:48:55,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 129 [2023-12-03 00:48:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 266 proven. 105 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:48:57,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18bf28cb-b14f-4679-a02a-c5d00837d8cc/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0