./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i --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_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/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_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/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_2c890f6b-c730-4bdd-847f-5333e476cd34/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 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:44,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:44,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:55:44,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:44,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:44,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:44,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:44,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:44,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:44,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:44,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:44,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:44,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:44,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:44,342 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:44,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:55:44,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:44,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:44,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:44,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:44,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:44,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:44,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:44,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:44,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:44,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:44,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:44,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:44,345 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_2c890f6b-c730-4bdd-847f-5333e476cd34/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 -> 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f [2024-11-13 20:55:44,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:44,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:44,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:44,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:44,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:44,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i Unable to find full path for "g++" [2024-11-13 20:55:46,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:47,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:47,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-11-13 20:55:47,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/4a9a7386c/71c9b548009346ae9cf17ca913b22e78/FLAGffa69ae7e [2024-11-13 20:55:47,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/4a9a7386c/71c9b548009346ae9cf17ca913b22e78 [2024-11-13 20:55:47,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:47,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:47,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:47,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:47,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:47,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fefb881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47, skipping insertion in model container [2024-11-13 20:55:47,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:47,486 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-11-13 20:55:47,542 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-11-13 20:55:47,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:47,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:47,581 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-11-13 20:55:47,611 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-11-13 20:55:47,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:47,637 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:47,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47 WrapperNode [2024-11-13 20:55:47,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:47,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:47,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:47,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:47,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,700 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-13 20:55:47,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:47,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:47,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:47,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:47,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:47,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:47,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:47,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:47,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:47" (1/1) ... [2024-11-13 20:55:47,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:47,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:47,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:55:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:55:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:55:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:55:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:55:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:47,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:47,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:48,156 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:48,156 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:48,236 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:48,237 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:55:48,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:48 BoogieIcfgContainer [2024-11-13 20:55:48,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:48,238 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:48,238 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:48,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:48,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:48" (1/1) ... [2024-11-13 20:55:48,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:48,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 20:55:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 20:55:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:55:48,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:48,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:48,883 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 20:55:49,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2024-11-13 20:55:49,023 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2024-11-13 20:55:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:55:49,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:49,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:55:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:49,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:49,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:54,892 WARN L873 $PredicateComparison]: unable to prove that (or (and (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0) (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse0 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|))) is different from true [2024-11-13 20:55:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:01,769 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 20:57:01,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2024-11-13 20:57:01,771 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-11-13 20:57:01,778 INFO L158 Benchmark]: Toolchain (without parser) took 74555.98ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 83.8MB in the beginning and 109.8MB in the end (delta: -26.0MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:01,778 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:01,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.57ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 71.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:01,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.91ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:57:01,780 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 809.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:57:01,780 INFO L158 Benchmark]: RCFGBuilder took 507.33ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 52.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:57:01,783 INFO L158 Benchmark]: CodeCheck took 73538.25ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 52.5MB in the beginning and 109.8MB in the end (delta: -57.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-13 20:57:01,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.57ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 71.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.91ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 69.3MB in the end (delta: 809.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.33ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 52.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 73538.25ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 52.5MB in the beginning and 109.8MB in the end (delta: -57.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/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_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/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_2c890f6b-c730-4bdd-847f-5333e476cd34/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 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:57:04,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:57:04,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:57:04,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:57:04,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:57:04,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:57:04,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:57:04,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:57:04,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:57:04,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:57:04,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:57:04,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:57:04,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:57:04,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:57:04,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:57:04,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:57:04,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:57:04,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:57:04,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:57:04,690 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:57:04,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:57:04,690 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:04,690 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:57:04,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:57:04,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:04,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:57:04,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:57:04,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:57:04,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:57:04,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:04,691 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:57:04,692 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_2c890f6b-c730-4bdd-847f-5333e476cd34/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 -> 87554a4f39ea71934805d096a19f81b20cf82924707369622052a80438a85d9f [2024-11-13 20:57:05,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:57:05,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:57:05,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:57:05,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:57:05,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:57:05,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_3_2.i Unable to find full path for "g++" [2024-11-13 20:57:07,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:57:07,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:57:07,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i [2024-11-13 20:57:07,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/da3fb5f0c/6b76cea3d1c44857b9bae2e8d7ff112d/FLAG63cca3556 [2024-11-13 20:57:07,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/data/da3fb5f0c/6b76cea3d1c44857b9bae2e8d7ff112d [2024-11-13 20:57:07,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:57:07,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:57:07,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:07,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:57:07,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:57:07,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:07" (1/1) ... [2024-11-13 20:57:07,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc77492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:07, skipping insertion in model container [2024-11-13 20:57:07,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:57:07" (1/1) ... [2024-11-13 20:57:07,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:57:08,037 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-11-13 20:57:08,095 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-11-13 20:57:08,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:08,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:57:08,146 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[1226,1239] [2024-11-13 20:57:08,175 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_2c890f6b-c730-4bdd-847f-5333e476cd34/sv-benchmarks/c/combinations/gcd_3+newton_3_2.i[2862,2875] [2024-11-13 20:57:08,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:57:08,209 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:57:08,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08 WrapperNode [2024-11-13 20:57:08,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:57:08,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:08,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:57:08,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:57:08,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,273 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 20:57:08,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:57:08,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:57:08,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:57:08,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:57:08,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:57:08,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:57:08,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:57:08,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:57:08,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:57:08" (1/1) ... [2024-11-13 20:57:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:57:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:57:08,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:57:08,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:57:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:57:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:57:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 20:57:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 20:57:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 20:57:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 20:57:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:57:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:57:08,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:57:08,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:57:33,290 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 20:57:33,291 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:57:33,348 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:57:33,348 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:57:33,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:33 BoogieIcfgContainer [2024-11-13 20:57:33,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:57:33,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:57:33,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:57:33,359 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:57:33,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:57:33" (1/1) ... [2024-11-13 20:57:33,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:57:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 20:57:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 20:57:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:57:33,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:33,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:33,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:33,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:57:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:33,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:33,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:57:33,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:34,349 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 20:57:34,351 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:57:34,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:57:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 20:57:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 20:57:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:57:35,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:35,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:35,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:35,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:35,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:57:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:35,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:35,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:57:35,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:41,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:57:59,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:58:08,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:58:14,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:58:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-13 20:58:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-13 20:58:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:58:15,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:15,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:15,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:15,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:15,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:58:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:16,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:16,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:58:44,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:59:17,122 WARN L286 SmtUtils]: Spent 12.91s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:59:33,986 WARN L286 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:59:47,687 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:00:02,329 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:00:12,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:00:22,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:00:32,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:00:40,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:00:48,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:00:59,908 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|)))))))))) is different from false [2024-11-13 21:01:58,493 WARN L286 SmtUtils]: Spent 24.56s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:02:08,580 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|))))))))))) is different from true [2024-11-13 21:02:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:08,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:08,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:08,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:08,869 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:08,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:02:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:09,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:09,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:09,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:19,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:02:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:19,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:19,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:19,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:19,310 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:19,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:02:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:19,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:20,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:20,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:30,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:02:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:30,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:30,301 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:30,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:02:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:30,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:31,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:31,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:39,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:39,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:02:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:39,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:39,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:39,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:39,479 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:39,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:02:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:39,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:40,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:40,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:48,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:02:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:48,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:48,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:48,755 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:02:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:49,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:50,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:50,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:02:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:02:58,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:02:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:02:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:02:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:02:58,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:58,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:02:58,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:02:58,588 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:02:58,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:02:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:58,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:02:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:02:59,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:02:59,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:07,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:07,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:03:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:03:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:03:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:07,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:07,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:07,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:07,722 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:07,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:03:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:08,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:08,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:03:08,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:16,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 21:03:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:03:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:03:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:16,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:16,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:16,238 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:16,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:03:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:16,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:17,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:03:17,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:24,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:03:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:03:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:03:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:24,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:24,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:24,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:24,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:24,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:03:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:25,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:26,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:03:26,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:03:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:34,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 21:03:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:03:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:03:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:03:34,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:03:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:03:34,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:03:34,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 21:03:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:35,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:03:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:36,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:03:36,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:04:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:04:14,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 21:04:37,968 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_58| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_58|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7)))))) .cse2) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_58| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_58|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse8)))))))) (not (= (_ bv0 32) .cse1)))))) is different from false [2024-11-13 21:05:22,518 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse5 (bvslt .cse4 (_ bv0 32)))) (let ((.cse2 (not .cse5)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (or (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse6)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|)))))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_58| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_58|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse1)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse4 .cse7)))))) .cse2) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_58| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_58|))) (and (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse1)))) (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse8)))))))) (not (= (_ bv0 32) .cse1))))))) is different from true [2024-11-13 21:05:22,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:05:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:05:22,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:05:22,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:22,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:22,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:22,525 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:22,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 21:05:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:05:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:23,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:05:23,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:06:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:06:00,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 21:06:16,930 WARN L286 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 72 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:06:53,934 WARN L286 SmtUtils]: Spent 14.84s on a formula simplification. DAG size of input: 73 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:07:22,530 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:07:24,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:34,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:45,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:47,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:48,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:07:50,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:08:00,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:08:00,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:00,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:00,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:00,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:00,833 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:00,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 21:08:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:01,215 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:01,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:01,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:09,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 21:08:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:09,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:09,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:09,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:09,837 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:09,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 21:08:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:10,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:11,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:11,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:19,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 21:08:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:19,602 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:19,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:19,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:19,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:19,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 21:08:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:20,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:21,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:21,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:29,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 21:08:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:29,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:29,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:29,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:29,833 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:29,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 21:08:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:30,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:31,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:31,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:39,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 21:08:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:39,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:39,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:39,778 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:39,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 21:08:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:40,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:41,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:41,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:08:50,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 21:08:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:08:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:08:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:08:50,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:50,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:08:50,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:08:50,785 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:08:50,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 21:08:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:51,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:08:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:52,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:08:52,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:00,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 21:09:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:00,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:00,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:00,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:00,821 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:00,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 21:09:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:01,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:01,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:01,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:09,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 21:09:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:09,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:09,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:09,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:09,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:09,938 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:09,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 21:09:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:10,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:11,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:11,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:18,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 21:09:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:19,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:19,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:19,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:19,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:19,029 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:19,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 21:09:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:19,440 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:20,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:20,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:28,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:28,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 21:09:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:28,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:28,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:28,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:28,459 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:28,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 21:09:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:28,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:29,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:29,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:36,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 21:09:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:37,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:37,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:37,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:37,136 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:37,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 21:09:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:37,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:37,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:37,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:46,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:46,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 21:09:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:46,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:46,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:46,278 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 21:09:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:46,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:47,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:47,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:09:54,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 21:09:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:09:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:09:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:09:54,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:09:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:09:54,923 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:09:54,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 21:09:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:55,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:09:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:56,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:09:56,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:04,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 21:10:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:10:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:10:04,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:10:04,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:04,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:04,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:04,611 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 21:10:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:05,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:05,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:10:05,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:17,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 21:10:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:10:17,562 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:10:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:10:17,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:17,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:17,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:17,567 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:17,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 21:10:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:17,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:18,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:10:18,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:27,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 21:10:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:10:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:10:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:10:27,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:27,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:27,240 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:27,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 21:10:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:27,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:28,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:10:28,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:38,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 21:10:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:10:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:10:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:10:38,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:38,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:38,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:38,403 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:38,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 21:10:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:38,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:10:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:39,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:10:39,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:10:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:10:56,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 21:10:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:10:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:10:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:10:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:10:57,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:10:57,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:10:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:10:57,892 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:10:57,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c890f6b-c730-4bdd-847f-5333e476cd34/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 21:10:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:10:58,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported