./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4130d48586bacb8e01e8525ec6ffcd9f272030d26882b368d1c87de47eeb037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:01,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:01,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:27:01,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:27:01,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:27:01,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:01,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:01,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:01,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:01,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:01,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:01,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:01,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:01,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:01,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:01,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:01,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:01,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:01,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:27:01,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:27:01,674 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4130d48586bacb8e01e8525ec6ffcd9f272030d26882b368d1c87de47eeb037 [2024-12-06 01:27:01,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:01,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:01,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:01,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:01,928 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:01,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_2.i [2024-12-06 01:27:04,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/1d43708bb/05664ef00f4344c4ad401143f8cb802d/FLAG83ceaf783 [2024-12-06 01:27:04,846 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:04,847 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i [2024-12-06 01:27:04,855 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/1d43708bb/05664ef00f4344c4ad401143f8cb802d/FLAG83ceaf783 [2024-12-06 01:27:04,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/1d43708bb/05664ef00f4344c4ad401143f8cb802d [2024-12-06 01:27:04,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:04,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:04,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:04,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:04,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:04,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:04" (1/1) ... [2024-12-06 01:27:04,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea420bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:04, skipping insertion in model container [2024-12-06 01:27:04,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:04" (1/1) ... [2024-12-06 01:27:04,897 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:05,033 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[1226,1239] [2024-12-06 01:27:05,064 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[2841,2854] [2024-12-06 01:27:05,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:05,077 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:05,089 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[1226,1239] [2024-12-06 01:27:05,101 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[2841,2854] [2024-12-06 01:27:05,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:05,117 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:05,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05 WrapperNode [2024-12-06 01:27:05,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:05,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:05,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:05,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:05,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,151 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 01:27:05,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:05,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:05,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:05,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:05,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,161 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,166 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:05,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:05,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:05,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:05,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:05,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:05,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:27:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:27:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:27:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:27:05,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:05,294 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:05,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:27:05,462 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 01:27:05,462 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:27:05,522 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:27:05,523 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:27:05,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:05 BoogieIcfgContainer [2024-12-06 01:27:05,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:27:05,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:27:05,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:27:05,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:27:05,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:27:05" (1/1) ... [2024-12-06 01:27:05,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:27:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 01:27:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 01:27:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:27:05,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:27:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:27:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:27:06,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:27:06,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-12-06 01:27:06,037 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-12-06 01:27:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:27:06,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:27:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:27:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:27:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:27:06,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:27:06,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:27:47,080 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 01:27:47,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 01:27:47,082 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:27:47,087 INFO L158 Benchmark]: Toolchain (without parser) took 42210.45ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 99.6MB in the end (delta: 18.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-12-06 01:27:47,087 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:47,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.80ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:47,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:47,089 INFO L158 Benchmark]: Boogie Preprocessor took 23.26ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:27:47,089 INFO L158 Benchmark]: RCFGBuilder took 347.45ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 85.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:27:47,090 INFO L158 Benchmark]: CodeCheck took 41561.31ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 99.6MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:27:47,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.80ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 105.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.26ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 347.45ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 85.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 41561.31ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 99.6MB in the end (delta: -13.8MB). There was no memory consumed. 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4130d48586bacb8e01e8525ec6ffcd9f272030d26882b368d1c87de47eeb037 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:27:48,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:27:48,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:27:48,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:27:48,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:27:48,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:27:48,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:27:48,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:27:48,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:27:48,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:27:48,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:27:48,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:27:48,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:27:48,969 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:27:48,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:27:48,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:27:48,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:48,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:27:48,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:27:48,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:27:48,971 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:27:48,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:27:48,971 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:27:48,971 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4130d48586bacb8e01e8525ec6ffcd9f272030d26882b368d1c87de47eeb037 [2024-12-06 01:27:49,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:27:49,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:27:49,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:27:49,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:27:49,261 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:27:49,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_2_2.i [2024-12-06 01:27:52,022 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/a6a984d14/c07d6eee0d0246b8a387bfe4713e5723/FLAGbcbeb123c [2024-12-06 01:27:52,214 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:27:52,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i [2024-12-06 01:27:52,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/a6a984d14/c07d6eee0d0246b8a387bfe4713e5723/FLAGbcbeb123c [2024-12-06 01:27:52,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/data/a6a984d14/c07d6eee0d0246b8a387bfe4713e5723 [2024-12-06 01:27:52,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:27:52,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:27:52,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:52,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:27:52,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:27:52,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b63a72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52, skipping insertion in model container [2024-12-06 01:27:52,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:27:52,419 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[1226,1239] [2024-12-06 01:27:52,452 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[2841,2854] [2024-12-06 01:27:52,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:52,466 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:27:52,479 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[1226,1239] [2024-12-06 01:27:52,490 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_2a7a1dba-3980-48fc-a335-5e2758e897f1/sv-benchmarks/c/combinations/gcd_3+newton_2_2.i[2841,2854] [2024-12-06 01:27:52,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:27:52,506 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:27:52,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52 WrapperNode [2024-12-06 01:27:52,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:27:52,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:52,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:27:52,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:27:52,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,541 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 01:27:52,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:27:52,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:27:52,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:27:52,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:27:52,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,560 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:27:52,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:27:52,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:27:52,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:27:52,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:27:52" (1/1) ... [2024-12-06 01:27:52,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:27:52,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:27:52,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:27:52,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:27:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:27:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:27:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:27:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:27:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:27:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:27:52,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:27:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:27:52,692 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:27:52,694 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:28:14,905 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 01:28:14,905 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:28:14,969 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:28:14,969 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:28:14,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:14 BoogieIcfgContainer [2024-12-06 01:28:14,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:28:14,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:28:14,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:28:14,978 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:28:14,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:28:14" (1/1) ... [2024-12-06 01:28:14,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:28:15,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 01:28:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 01:28:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:28:15,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:15,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:15,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:28:15,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:28:15,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:28:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:15,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:28:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:15,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:28:15,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:28:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:28:15,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:28:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-12-06 01:28:16,488 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-12-06 01:28:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:28:16,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:16,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:16,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:28:16,490 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:28:16,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:28:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:16,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:28:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:16,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:28:16,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:28:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:28:22,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:28:39,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:28:50,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:28:54,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:28:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:28:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-12-06 01:28:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-12-06 01:28:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:28:54,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:28:54,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:28:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:28:54,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:28:54,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:28:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:54,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:28:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:28:55,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:28:55,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:29:27,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:29:43,122 WARN L286 SmtUtils]: Spent 12.20s on a formula simplification. DAG size of input: 51 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:29:59,109 WARN L286 SmtUtils]: Spent 9.10s 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) [2024-12-06 01:30:12,039 WARN L286 SmtUtils]: Spent 6.89s 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) [2024-12-06 01:30:23,537 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:30:33,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:43,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:50,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:51,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:30:56,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:31:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:31:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-12-06 01:31:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 01:31:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:31:40,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:31:40,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:31:40,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:31:40,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:31:40,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:31:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:40,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:31:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:31:40,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:31:40,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:32:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:32:32,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:32:58,757 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|)) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (let ((.cse3 (bvslt .cse0 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) (not .cse3)) (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse2))) (_ bv0 32)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (not (= (_ bv0 32) .cse2)))) is different from false [2024-12-06 01:34:04,686 WARN L286 SmtUtils]: Spent 31.49s on a formula simplification. DAG size of input: 39 DAG size of output: 10 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:34:14,749 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|)) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (let ((.cse3 (bvslt .cse0 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) (not .cse3)) (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse2))) (_ bv0 32)))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (not (= (_ bv0 32) .cse2))))) is different from true [2024-12-06 01:34:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-12-06 01:34:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-12-06 01:34:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:34:14,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:14,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:34:14,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:34:14,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:34:14,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:34:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:15,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:34:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:15,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:34:15,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:34:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:34:22,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 01:34:32,673 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4)))))))))) is different from false [2024-12-06 01:34:42,760 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse0 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1)))) (not (= (_ bv0 32) .cse3)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse4 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0))) .cse4))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1)))) (not (= (_ bv0 32) .cse4))))))))))) is different from true [2024-12-06 01:34:42,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-12-06 01:34:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-12-06 01:34:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:34:42,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:42,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:34:42,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:34:42,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:34:42,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:34:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:43,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:34:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:44,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:34:44,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:34:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:34:53,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:34:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:34:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:34:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:34:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:34:53,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:34:53,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:34:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:34:53,199 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:34:53,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:34:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:53,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:34:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:34:54,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:34:54,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:01,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:35:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:01,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:01,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:01,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:01,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:01,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:35:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:01,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:02,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:35:02,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:10,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:35:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:10,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:10,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:10,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:10,709 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:10,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:35:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:11,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:11,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:35:11,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:19,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:35:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:19,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:19,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:19,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:19,486 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:19,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:35:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:19,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:20,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:35:20,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:27,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:35:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:27,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:27,213 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:35:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:27,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:28,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:35:28,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:35,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:35:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:35,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:35,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:35,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:35,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:35,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:35,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:35:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:35,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:36,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:35:36,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:43,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:35:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:35:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:35:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:35:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:35:43,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:35:43,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:35:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:35:43,670 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:35:43,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:35:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:43,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:35:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:35:44,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:35:44,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:35:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:35:59,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:36:09,332 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse0 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse6))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse2))) (_ bv0 32))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2)))))) is different from false [2024-12-06 01:36:19,894 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse0 (_ bv0 32)))) (let ((.cse3 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse0)))) (.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse1 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse2))) (_ bv0 32))))) .cse3) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_35| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_35|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse6))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse2))) (_ bv0 32))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse2))))) (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse0 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse2)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse2)))) (not (= (_ bv0 32) .cse8))))))) (not (= (_ bv0 32) .cse2))))))) is different from true [2024-12-06 01:36:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:36:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:36:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:36:19,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:19,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:19,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:36:19,899 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:36:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:36:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:20,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:21,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:36:21,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:36:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:36:28,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 01:36:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:36:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:36:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:36:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:36:28,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:36:28,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:36:28,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:36:28,256 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:36:28,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:36:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:28,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:28,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:36:28,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:37:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:37:13,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:37:25,412 WARN L286 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 73 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:38:02,032 WARN L286 SmtUtils]: Spent 16.78s on a formula simplification. DAG size of input: 74 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:38:24,007 WARN L286 SmtUtils]: Spent 6.59s 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) [2024-12-06 01:38:25,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:38:35,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:38:45,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:38:46,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:38:57,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 01:38:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:38:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:38:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:38:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:38:57,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:38:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:38:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:38:57,700 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:38:57,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:38:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:38:58,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:38:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:38:58,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:38:58,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:39:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:39:40,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-12-06 01:39:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:39:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:39:40,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:39:40,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:40,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:40,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:39:40,569 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:39:40,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:39:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:40,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:39:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:39:41,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:39:41,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:40:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:40:26,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:41:00,283 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse1 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse1)))) (.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_74| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_74|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse2))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse3)))))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_74| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_74|))) (and (= ((_ extract 7 0) (bvsrem .cse5 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse3))))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse3))))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse1 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse3)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse3)))) (not (= (_ bv0 32) .cse8))))))))))) is different from false [2024-12-06 01:41:52,219 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse4 (bvslt .cse1 (_ bv0 32)))) (let ((.cse0 (not .cse4)) (.cse5 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse1)))) (.cse3 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|))) (and (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_74| (_ BitVec 8))) (let ((.cse2 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_74|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse1 .cse2))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse2 .cse3)))))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_74| (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_74|))) (and (= ((_ extract 7 0) (bvsrem .cse5 .cse6)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse6 .cse3))))))))) (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse1 .cse3))))) (or (and .cse0 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= ((_ extract 7 0) (bvsrem .cse1 .cse7)) |c_ULTIMATE.start_main1_~g~0#1|) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse7 .cse3)))) (not (= (_ bv0 32) .cse7)))))) (and .cse4 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_32| (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_32|))) (and (= |c_ULTIMATE.start_main1_~g~0#1| ((_ extract 7 0) (bvsrem .cse5 .cse8))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse8 .cse3)))) (not (= (_ bv0 32) .cse8)))))))))))) is different from true [2024-12-06 01:41:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:41:52,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:41:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:41:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:41:52,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:41:52,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:41:52,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:41:52,224 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:41:52,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:41:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:41:52,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:41:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:41:53,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:41:53,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:00,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-12-06 01:42:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:42:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:42:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:42:00,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:00,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:42:00,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:42:00,776 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:42:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:42:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:01,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:42:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:01,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:42:01,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:09,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:42:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:42:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:42:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:42:09,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:42:09,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:42:09,619 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:42:09,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:42:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:09,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:42:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:10,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:42:10,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:17,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:42:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-12-06 01:42:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-12-06 01:42:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:42:17,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:17,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:42:17,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:42:17,830 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:42:17,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a1dba-3980-48fc-a335-5e2758e897f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:42:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:18,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:42:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:18,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:42:18,676 INFO L279 TraceCheckSpWp]: Computing forward predicates...