./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk --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 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:03,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:03,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:57:03,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:57:03,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:57:03,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:03,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:03,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:03,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:03,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:03,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:03,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:03,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:57:03,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:57:03,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:57:03,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:03,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:03,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:03,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:03,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:03,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:57:03,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:57:03,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:57:03,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:03,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:03,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:03,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:03,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:03,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:03,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:03,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:03,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:03,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:03,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:57:03,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:57:03,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b [2024-11-09 00:57:03,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:03,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:03,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:03,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:03,741 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:03,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:57:05,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:06,223 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:06,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c [2024-11-09 00:57:06,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/5abc29785/26e6c18c94b34669ac85e74869813bb8/FLAG56f75efa7 [2024-11-09 00:57:06,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/5abc29785/26e6c18c94b34669ac85e74869813bb8 [2024-11-09 00:57:06,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:06,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:06,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:06,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:06,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:06,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e9f6bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06, skipping insertion in model container [2024-11-09 00:57:06,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:06,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:06,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:06,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:06,562 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:06,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06 WrapperNode [2024-11-09 00:57:06,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:06,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:06,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:06,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:06,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,609 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-09 00:57:06,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:06,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:06,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:06,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:06,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:06,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:06,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:06,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:06,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:06" (1/1) ... [2024-11-09 00:57:06,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:06,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:06,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:06,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:57:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:06,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:57:06,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:57:06,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:06,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:07,262 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:07,263 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:07,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:07,324 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:57:07,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:07 BoogieIcfgContainer [2024-11-09 00:57:07,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:07,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:07,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:07,338 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:07,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:07" (1/1) ... [2024-11-09 00:57:07,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-09 00:57:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-09 00:57:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:57:07,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:07,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:07,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-09 00:57:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-09 00:57:07,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:57:07,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:07,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-09 00:57:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-09 00:57:07,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:57:07,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:07,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:07,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-09 00:57:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-09 00:57:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:57:07,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:07,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:57:07,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:07,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-09 00:57:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-09 00:57:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:57:07,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:07,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:08,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:57:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:57:08,053 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-09 00:57:08,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:57:08 ImpRootNode [2024-11-09 00:57:08,082 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:57:08,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:57:08,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:57:08,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:57:08,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:07" (3/4) ... [2024-11-09 00:57:08,087 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:57:08,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:57:08,089 INFO L158 Benchmark]: Toolchain (without parser) took 1835.89ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 108.2MB in the beginning and 133.0MB in the end (delta: -24.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-09 00:57:08,089 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:08,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 95.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:08,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:57:08,091 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:57:08,092 INFO L158 Benchmark]: RCFGBuilder took 685.93ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 67.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:57:08,093 INFO L158 Benchmark]: CodeCheck took 756.80ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 133.9MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:08,093 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 182.5MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:08,096 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, 133 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 109 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 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 - 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<=100) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=100) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [r=1] [L33] COND TRUE 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 0.32ms. Allocated memory is still 109.1MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 140.5MB. Free memory was 108.2MB in the beginning and 95.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.93ms. Allocated memory is still 140.5MB. Free memory was 91.8MB in the beginning and 67.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 756.80ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 67.0MB in the beginning and 133.9MB in the end (delta: -66.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 182.5MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:57:08,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk --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 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:10,884 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:11,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-09 00:57:11,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:11,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:11,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:11,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:11,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:11,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:11,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:11,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:57:11,089 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:57:11,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:11,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:11,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:11,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:11,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:57:11,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:57:11,095 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:11,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:57:11,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:57:11,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:57:11,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:57:11,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:11,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:11,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:11,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:11,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:11,103 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:11,103 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:57:11,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:11,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:11,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:11,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:11,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:11,108 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:57:11,108 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:11,109 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:57:11,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fec5b098aa2c60671d1780ba812b42b15ac9ae3aabb25670634981b4519504b [2024-11-09 00:57:11,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:11,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:11,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:11,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:11,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:11,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c Unable to find full path for "g++" [2024-11-09 00:57:13,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:14,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:14,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound100.c [2024-11-09 00:57:14,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/714668fec/f9052ef1b1e94414bb82331d6092d67d/FLAGb3ae8a416 [2024-11-09 00:57:14,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/data/714668fec/f9052ef1b1e94414bb82331d6092d67d [2024-11-09 00:57:14,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:14,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:14,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:14,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:14,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:14,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbbcbd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14, skipping insertion in model container [2024-11-09 00:57:14,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:14,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:14,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:14,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:14,620 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:14,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14 WrapperNode [2024-11-09 00:57:14,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:14,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:14,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:14,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:14,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,689 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-09 00:57:14,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:14,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:14,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:14,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:14,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:14,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:14,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:14,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:14,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:14" (1/1) ... [2024-11-09 00:57:14,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:14,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:14,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:57:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:57:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:57:15,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:15,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:58:03,496 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-09 00:58:03,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:58:03,599 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:58:03,599 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:58:03,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:03 BoogieIcfgContainer [2024-11-09 00:58:03,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:58:03,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:58:03,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:58:03,610 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:58:03,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:03" (1/1) ... [2024-11-09 00:58:03,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:58:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2024-11-09 00:58:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2024-11-09 00:58:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:58:03,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:03,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:03,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:03,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:58:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:03,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:03,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:03,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:04,050 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:58:04,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:58:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2024-11-09 00:58:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2024-11-09 00:58:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:58:04,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:04,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:04,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:58:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:04,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:04,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:04,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:04,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:58:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2024-11-09 00:58:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2024-11-09 00:58:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:58:04,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:04,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:04,414 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:58:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:04,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:04,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:04,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:04,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:58:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:04,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-09 00:58:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-09 00:58:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:58:04,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:04,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:04,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:04,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:58:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:05,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:05,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:05,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:05,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:58:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2024-11-09 00:58:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2024-11-09 00:58:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:58:05,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:05,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:05,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:05,468 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:05,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:58:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:05,745 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:06,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:58:06,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:06,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:58:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:07,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 144 states and 151 transitions. [2024-11-09 00:58:07,898 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2024-11-09 00:58:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:58:07,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:07,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:07,902 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:07,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:58:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:08,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:08,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:58:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2024-11-09 00:58:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2024-11-09 00:58:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:58:09,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:09,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:09,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:58:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:10,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:10,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:58:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 147 states and 156 transitions. [2024-11-09 00:58:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2024-11-09 00:58:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:11,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:11,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:11,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:11,230 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:11,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:58:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:11,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:11,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:58:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 148 states and 157 transitions. [2024-11-09 00:58:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2024-11-09 00:58:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:58:11,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:11,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:11,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:11,718 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:11,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:58:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:12,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:12,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2024-11-09 00:58:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2024-11-09 00:58:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:58:12,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:12,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:12,400 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:12,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:58:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:12,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:12,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:58:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 150 states and 159 transitions. [2024-11-09 00:58:13,439 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 159 transitions. [2024-11-09 00:58:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:58:13,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:13,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:13,441 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:13,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:58:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:14,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:14,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:58:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 151 states and 160 transitions. [2024-11-09 00:58:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2024-11-09 00:58:14,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:58:14,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:14,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:14,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:14,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:14,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:58:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:15,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:15,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:58:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 152 states and 161 transitions. [2024-11-09 00:58:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 161 transitions. [2024-11-09 00:58:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:58:15,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:15,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:15,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:15,677 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:15,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:58:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:16,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:16,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:58:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 153 states and 162 transitions. [2024-11-09 00:58:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2024-11-09 00:58:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:58:16,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:16,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:16,588 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:16,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:58:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:17,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:58:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 154 states and 164 transitions. [2024-11-09 00:58:17,483 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2024-11-09 00:58:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:58:17,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:17,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:17,485 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:17,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:58:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:18,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:18,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 156 states and 166 transitions. [2024-11-09 00:58:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2024-11-09 00:58:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:58:18,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:18,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:18,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:18,563 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:18,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:58:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:19,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:19,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:19,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:58:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 157 states and 167 transitions. [2024-11-09 00:58:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2024-11-09 00:58:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:58:19,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:19,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:19,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:19,589 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:19,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:58:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:20,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:20,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:58:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 158 states and 168 transitions. [2024-11-09 00:58:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2024-11-09 00:58:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:58:20,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:20,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:20,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:20,423 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:58:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:21,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:21,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2024-11-09 00:58:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-09 00:58:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:58:21,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:21,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:21,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:21,477 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:21,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:58:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:22,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:22,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:22,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 160 states and 170 transitions. [2024-11-09 00:58:22,401 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-09 00:58:22,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:22,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:22,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:22,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:22,403 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:22,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:58:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:22,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:23,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-09 00:58:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2024-11-09 00:58:23,341 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2024-11-09 00:58:23,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:58:23,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:23,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:23,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:23,344 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:23,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:58:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:23,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:24,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:24,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:24,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:24,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2024-11-09 00:58:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2024-11-09 00:58:24,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:58:24,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:24,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:24,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:24,343 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:24,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:58:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:24,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:25,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:58:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2024-11-09 00:58:25,306 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2024-11-09 00:58:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:58:25,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:25,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:25,310 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:25,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:58:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:58:26,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:26,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:34,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:58:39,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:58:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2024-11-09 00:58:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2024-11-09 00:58:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:58:39,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:39,112 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:39,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:58:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:58:48,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:51,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:02,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:12,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:22,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:30,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:41,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:51,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:52,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:53,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:00,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:11,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:21,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:25,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:35,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:45,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:49,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:58,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.52s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:02,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:04,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 193 states and 220 transitions. [2024-11-09 01:01:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 220 transitions. [2024-11-09 01:01:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 01:01:04,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:04,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:04,290 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:04,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 01:01:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:04,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:05,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:01:05,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:06,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:01:06,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:09,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:14,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:17,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:18,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 195 states and 226 transitions. [2024-11-09 01:01:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 226 transitions. [2024-11-09 01:01:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 01:01:18,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:18,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:18,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:18,276 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:18,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 01:01:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:18,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:19,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:01:19,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:01:19,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:23,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:26,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:32,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 198 states and 233 transitions. [2024-11-09 01:01:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 233 transitions. [2024-11-09 01:01:33,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 01:01:33,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:33,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:33,391 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:33,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 01:01:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:34,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:01:34,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:01:34,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 01:01:38,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:45,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:46,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:50,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:56,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.62s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:00,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 202 states and 241 transitions. [2024-11-09 01:02:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 241 transitions. [2024-11-09 01:02:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 01:02:00,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:00,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:00,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:00,708 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:00,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 01:02:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:01,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:02:01,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:02:02,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:02,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 203 states and 242 transitions. [2024-11-09 01:02:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-09 01:02:02,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:02:02,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:02,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:02,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:02,201 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 01:02:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:02,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:03,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:02:03,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:02:04,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:14,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:24,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:34,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:44,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:02:55,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:05,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:15,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:25,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:35,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:45,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:55,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:04:05,372 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 [] [2024-11-09 01:04:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 206 states and 249 transitions. [2024-11-09 01:04:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2024-11-09 01:04:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:04:05,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:05,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:05,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:05,551 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:05,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 01:04:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:05,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:06,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:04:06,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:04:07,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:18,799 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 [] [2024-11-09 01:04:28,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:04:38,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:04:48,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:04:59,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:09,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:19,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:29,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:39,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:49,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:59,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:09,319 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 [] [2024-11-09 01:06:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 209 states and 256 transitions. [2024-11-09 01:06:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 256 transitions. [2024-11-09 01:06:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 01:06:09,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:09,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:09,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:09,497 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:09,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 01:06:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:09,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:10,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:06:10,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:06:11,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 01:06:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:33,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:43,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:53,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:03,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:13,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:23,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:33,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:43,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:53,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:03,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:13,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:17,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:08:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 255 transitions. [2024-11-09 01:08:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 255 transitions. [2024-11-09 01:08:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 01:08:17,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:08:17,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:08:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:08:17,365 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:08:17,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 01:08:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:17,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:08:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:18,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:08:18,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:19,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:08:19,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 01:08:31,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:41,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:51,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:01,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:11,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:21,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:31,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:41,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:52,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:02,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:12,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:22,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:10:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 207 states and 254 transitions. [2024-11-09 01:10:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2024-11-09 01:10:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 01:10:22,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:10:22,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:10:22,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:10:22,898 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:10:22,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 01:10:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:23,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:10:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:23,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 01:10:23,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:10:23,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 01:10:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:10:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 206 states and 253 transitions. [2024-11-09 01:10:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2024-11-09 01:10:23,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 01:10:23,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:10:23,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:10:23,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:10:23,856 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:10:23,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 01:10:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:24,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:10:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:24,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:10:24,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 01:11:08,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69f2c77c-8991-4018-92cb-f2e6f913092f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 01:12:03,391 WARN L286 SmtUtils]: Spent 10.49s 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) [2024-11-09 01:12:13,401 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