./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/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_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:41,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:41,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:48:41,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:48:41,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:48:41,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:41,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:41,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:41,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:41,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:41,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:48:41,373 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:41,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:41,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:41,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:41,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:41,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:41,375 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:48:41,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:48:41,375 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_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/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 ! overflow) ) 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 -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2024-12-06 03:48:41,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:41,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:41,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:41,634 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:41,635 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:41,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-12-06 03:48:44,274 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e37613796/9e113ad5aba94b969498e9e7fb7682a8/FLAG0d1ac02ae [2024-12-06 03:48:44,502 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:48:44,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-12-06 03:48:44,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e37613796/9e113ad5aba94b969498e9e7fb7682a8/FLAG0d1ac02ae [2024-12-06 03:48:44,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e37613796/9e113ad5aba94b969498e9e7fb7682a8 [2024-12-06 03:48:44,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:48:44,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:48:44,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:44,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:48:44,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:48:44,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:44" (1/1) ... [2024-12-06 03:48:44,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f96d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:44, skipping insertion in model container [2024-12-06 03:48:44,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:44" (1/1) ... [2024-12-06 03:48:44,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:48:45,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:45,036 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:48:45,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:45,072 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:48:45,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45 WrapperNode [2024-12-06 03:48:45,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:45,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:45,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:48:45,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:48:45,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,110 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-12-06 03:48:45,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:45,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:48:45,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:48:45,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:48:45,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:48:45,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:48:45,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:48:45,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:48:45,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:48:45,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:48:45,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:48:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:48:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:48:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:48:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:48:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:48:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:48:45,246 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:48:45,247 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:48:45,616 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-12-06 03:48:45,617 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:48:45,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:48:45,662 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:48:45,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:45 BoogieIcfgContainer [2024-12-06 03:48:45,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:48:45,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:48:45,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:48:45,672 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:48:45,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:45" (1/1) ... [2024-12-06 03:48:45,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:48:45,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-12-06 03:48:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-12-06 03:48:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:48:45,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:45,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:45,890 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 03:48:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-06 03:48:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-06 03:48:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:48:45,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:45,955 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 03:48:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-12-06 03:48:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-12-06 03:48:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:48:45,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:45,987 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 03:48:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-06 03:48:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-06 03:48:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:48:45,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:45,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:48:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:48:46,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:48:46,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:48:46,047 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 03:48:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:48:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-12-06 03:48:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-12-06 03:48:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:48:46,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:48:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:48:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:48:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:46,094 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:48:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:48:46,111 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 03:48:46,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:48:46 ImpRootNode [2024-12-06 03:48:46,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:48:46,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:48:46,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:48:46,134 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:48:46,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:48:45" (3/4) ... [2024-12-06 03:48:46,138 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:48:46,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:48:46,140 INFO L158 Benchmark]: Toolchain (without parser) took 1278.38ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 86.6MB in the end (delta: 6.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-12-06 03:48:46,140 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:46,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:46,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.80ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:48:46,141 INFO L158 Benchmark]: Boogie Preprocessor took 23.45ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 808.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:46,142 INFO L158 Benchmark]: RCFGBuilder took 527.18ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 55.4MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:48:46,142 INFO L158 Benchmark]: CodeCheck took 470.33ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 86.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:46,143 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 86.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:48:46,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 132 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 2 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 28 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=2) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=2) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L34] EXPR 12*r VAL [r=1] [L34] EXPR 12*r*r VAL [r=1] [L34] (int)(4*s) - 12*r*r * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.98ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.80ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.45ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.2MB in the end (delta: 808.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.18ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 55.4MB in the end (delta: 23.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 470.33ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 86.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 86.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:48:46,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/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_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:48:48,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:48:48,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 03:48:48,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:48:48,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:48:48,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:48:48,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:48:48,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:48:48,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:48:48,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:48:48,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:48:48,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:48:48,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:48:48,287 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:48:48,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:48:48,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:48,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:48:48,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:48:48,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:48:48,288 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:48:48,288 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:48:48,288 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:48:48,288 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_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/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 ! overflow) ) 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 -> d2d6f9be66d27a1c9d3b3eaba0ccd86a9e6d263d5b40883199c2e280efc7ebbe [2024-12-06 03:48:48,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:48:48,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:48:48,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:48:48,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:48:48,583 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:48:48,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-12-06 03:48:51,515 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e5f6aafc3/ab0d626ff01940bb82ee31e1cc4aa304/FLAGf160f958f [2024-12-06 03:48:51,707 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:48:51,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound2.c [2024-12-06 03:48:51,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e5f6aafc3/ab0d626ff01940bb82ee31e1cc4aa304/FLAGf160f958f [2024-12-06 03:48:52,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/data/e5f6aafc3/ab0d626ff01940bb82ee31e1cc4aa304 [2024-12-06 03:48:52,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:48:52,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:48:52,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:52,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:48:52,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:48:52,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aff9c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52, skipping insertion in model container [2024-12-06 03:48:52,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,089 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:48:52,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:52,253 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:48:52,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:48:52,290 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:48:52,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52 WrapperNode [2024-12-06 03:48:52,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:48:52,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:52,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:48:52,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:48:52,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,326 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-12-06 03:48:52,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:48:52,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:48:52,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:48:52,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:48:52,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,337 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:48:52,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:48:52,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:48:52,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:48:52,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:48:52" (1/1) ... [2024-12-06 03:48:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:48:52,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:48:52,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:48:52,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:48:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:48:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:48:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:48:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:48:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:48:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:48:52,481 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:48:52,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:49:40,275 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-12-06 03:49:40,275 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:49:40,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:49:40,323 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:49:40,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:49:40 BoogieIcfgContainer [2024-12-06 03:49:40,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:49:40,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:49:40,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:49:40,335 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:49:40,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:49:40" (1/1) ... [2024-12-06 03:49:40,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:49:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2024-12-06 03:49:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2024-12-06 03:49:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 03:49:40,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:40,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:40,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:40,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:49:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:40,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:40,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:40,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:40,558 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 03:49:40,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:49:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-12-06 03:49:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-12-06 03:49:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:49:40,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:40,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:40,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:40,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:40,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:49:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:40,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:40,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:40,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:40,772 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 03:49:40,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:49:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2024-12-06 03:49:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2024-12-06 03:49:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:49:40,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:40,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:40,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:40,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:49:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:40,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:41,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:41,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:41,023 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 03:49:41,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:49:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-12-06 03:49:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-12-06 03:49:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:49:41,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:41,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:41,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:41,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:41,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:49:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:41,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:41,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:41,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:41,298 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 03:49:41,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:49:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-12-06 03:49:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-12-06 03:49:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 03:49:41,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:41,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:41,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:41,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:41,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:49:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:41,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:41,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:49:41,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:42,151 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 03:49:42,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:49:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2024-12-06 03:49:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-12-06 03:49:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:49:43,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:43,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:43,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:43,285 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:49:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:43,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:43,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:43,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:43,599 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 03:49:43,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:49:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 142 states and 150 transitions. [2024-12-06 03:49:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-12-06 03:49:44,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:49:44,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:44,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:44,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:44,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:49:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:45,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:45,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:45,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:45,251 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 03:49:45,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:49:46,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:46,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 144 states and 153 transitions. [2024-12-06 03:49:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-12-06 03:49:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 03:49:46,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:46,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:46,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:46,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:49:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:46,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:46,575 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 03:49:46,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:49:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-12-06 03:49:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-12-06 03:49:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:49:46,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:46,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:46,616 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:49:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:46,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:46,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:47,048 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 03:49:47,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:49:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-12-06 03:49:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-12-06 03:49:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:49:47,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:47,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:47,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:47,151 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:47,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:49:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:47,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:47,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:47,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:47,556 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 03:49:47,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:49:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-12-06 03:49:47,720 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-12-06 03:49:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:49:47,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:47,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:47,722 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:49:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:48,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:48,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:48,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:48,261 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 03:49:48,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:49:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-12-06 03:49:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-12-06 03:49:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:49:48,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:48,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:48,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:48,457 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:48,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:49:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:48,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:48,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:48,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:48,951 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 03:49:48,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:49:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-12-06 03:49:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-12-06 03:49:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:49:49,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:49,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:49,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:49:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:49,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:49,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:49,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:49,749 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 03:49:49,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:49:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-12-06 03:49:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-12-06 03:49:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:49:49,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:49,906 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:49,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:49:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:50,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:50,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:50,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:50,469 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 03:49:50,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:49:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 151 states and 161 transitions. [2024-12-06 03:49:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2024-12-06 03:49:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:49:50,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:50,558 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:50,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:49:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:50,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:51,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:51,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:51,113 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 03:49:51,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:49:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2024-12-06 03:49:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-12-06 03:49:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:49:51,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:51,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:51,336 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:51,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:49:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:51,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:51,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:51,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:51,907 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 03:49:51,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:49:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-12-06 03:49:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-12-06 03:49:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:49:52,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:52,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:52,124 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:52,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:49:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:52,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:52,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:52,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:52,736 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 03:49:52,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:49:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:52,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2024-12-06 03:49:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-12-06 03:49:52,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:49:52,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:52,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:52,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:52,931 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:52,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:49:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:53,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:53,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:53,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:53,603 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 03:49:53,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:49:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-12-06 03:49:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-12-06 03:49:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:49:53,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:53,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:53,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:53,716 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:49:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:54,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:54,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:54,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:54,352 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 03:49:54,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:49:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-12-06 03:49:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-12-06 03:49:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:49:54,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:54,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:54,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:54,423 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:54,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:49:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:54,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:54,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:49:54,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:55,375 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 03:49:55,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:49:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 158 states and 169 transitions. [2024-12-06 03:49:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 169 transitions. [2024-12-06 03:49:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:49:55,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:55,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:55,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:55,621 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:55,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:49:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:56,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:56,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:56,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:56,330 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 03:49:56,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:49:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2024-12-06 03:49:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2024-12-06 03:49:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 03:49:56,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:56,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:56,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:56,637 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:56,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:49:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:57,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:57,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:57,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:57,333 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 03:49:57,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:49:57,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:49:57,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-12-06 03:49:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-12-06 03:49:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:49:57,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:49:57,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:49:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:49:57,445 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:49:57,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:49:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:58,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:49:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:49:58,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:49:58,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:49:58,721 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 03:49:58,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:50:04,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:08,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:50:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 162 states and 173 transitions. [2024-12-06 03:50:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2024-12-06 03:50:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:50:08,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:50:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:50:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:50:08,399 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:50:08,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:50:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:09,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:50:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:50:15,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:50:15,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:50:16,984 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 03:50:16,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:50:21,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:27,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:38,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:48,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:50:54,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:04,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:14,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:20,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:30,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:40,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:46,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:51:56,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:06,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:10,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:16,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.47s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:20,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:24,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 189 states and 216 transitions. [2024-12-06 03:52:25,495 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 216 transitions. [2024-12-06 03:52:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:52:25,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:25,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:25,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:25,499 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:25,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:52:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:26,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:26,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 03:52:26,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:52:26,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-12-06 03:52:32,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:34,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:38,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:41,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:47,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.42s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 191 states and 222 transitions. [2024-12-06 03:52:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 222 transitions. [2024-12-06 03:52:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:52:48,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:48,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:52:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:52:48,395 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:52:48,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:52:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:48,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:52:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:52:49,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:52:49,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:52:49,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:52:49,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:52:56,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:52:57,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:00,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:02,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:04,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 194 states and 229 transitions. [2024-12-06 03:53:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2024-12-06 03:53:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:53:04,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:04,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:04,883 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:04,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:53:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:05,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:05,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 03:53:05,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:06,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:53:06,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:53:09,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:14,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:20,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:25,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.39s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 198 states and 237 transitions. [2024-12-06 03:53:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 237 transitions. [2024-12-06 03:53:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 03:53:26,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:26,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:26,292 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:26,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:53:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:26,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:26,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:53:26,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:53:27,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:53:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:53:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 199 states and 238 transitions. [2024-12-06 03:53:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2024-12-06 03:53:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:53:27,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:53:27,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:53:27,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:53:27,585 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:53:27,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:53:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:27,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:53:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:53:28,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:53:28,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:53:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:53:29,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:53:39,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:49,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:53:59,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:09,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:20,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:30,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:40,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:54:50,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:00,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:10,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:20,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:30,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 202 states and 245 transitions. [2024-12-06 03:55:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 245 transitions. [2024-12-06 03:55:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:55:30,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:30,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:30,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:30,282 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:30,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:55:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:30,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:30,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:55:30,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:55:31,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-12-06 03:55:42,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:52,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:02,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:12,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:23,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:33,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:43,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:56:53,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:03,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:23,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:33,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:33,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:57:33,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 205 states and 252 transitions. [2024-12-06 03:57:33,323 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2024-12-06 03:57:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:57:33,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:57:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:57:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:57:33,326 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:57:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:57:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:57:33,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:57:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:57:34,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:57:34,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:57:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:57:34,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-12-06 03:57:45,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:57:55,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:05,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:15,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:25,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:35,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:45,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:58:55,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:05,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:15,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:25,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:36,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:38,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:59:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:59:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 251 transitions. [2024-12-06 03:59:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2024-12-06 03:59:38,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:59:38,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:59:38,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:59:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:59:38,917 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:59:38,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:59:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:39,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:59:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:59:39,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 03:59:39,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:59:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:59:40,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-06 03:59:51,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:01,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:11,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:21,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:32,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:42,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:00:52,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:02,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:12,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:22,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:32,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:42,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:01:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:01:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 203 states and 250 transitions. [2024-12-06 04:01:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 250 transitions. [2024-12-06 04:01:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:01:42,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:01:42,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:01:42,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:01:42,938 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:01:42,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:01:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:43,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:01:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:43,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:01:43,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:01:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:01:43,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-06 04:01:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:01:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 202 states and 249 transitions. [2024-12-06 04:01:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 249 transitions. [2024-12-06 04:01:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:01:43,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:01:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:01:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:01:43,728 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:01:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:01:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:43,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:01:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:01:44,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:01:44,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:02:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:02:23,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df574e78-fcbc-4f5e-b12a-9abb31ca8ffc/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-12-06 04:03:09,292 WARN L286 SmtUtils]: Spent 10.39s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:03:19,299 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|)))))))) is different from false [2024-12-06 04:03:51,270 WARN L286 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:04:01,456 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 ((_ sign_extend 31) |c_ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (bvmul (_ bv12 63) .cse1))) (and (bvsle .cse0 (_ bv2147483647 63)) (bvsle (_ bv9223372034707292160 63) .cse0) (not (bvsle (_ bv9223372034707292160 63) (bvmul .cse1 ((_ sign_extend 31) (bvmul (_ bv12 32) |c_ULTIMATE.start_main_~r~0#1|))))))))) is different from true