./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/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_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:39,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:39,556 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:32:39,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:32:39,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:32:39,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:39,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:39,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:39,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:39,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:39,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:39,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:39,606 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:32:39,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:32:39,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:32:39,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:39,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:39,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:39,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:39,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:39,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:32:39,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:39,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:39,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:39,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:39,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:39,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:39,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:39,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:39,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:39,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:39,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:32:39,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:32:39,620 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_a403275b-3736-4398-a404-6110e806d30e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 [2024-11-08 19:32:39,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:39,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:39,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:39,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:39,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:39,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/hard-u.c Unable to find full path for "g++" [2024-11-08 19:32:41,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:42,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:42,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-08 19:32:42,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/d4491e75e/084a1622bcd24e3eaf6491f6e94184ad/FLAG2af9add43 [2024-11-08 19:32:42,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/d4491e75e/084a1622bcd24e3eaf6491f6e94184ad [2024-11-08 19:32:42,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:42,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:42,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:42,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:42,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:42,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:42,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fb67b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42, skipping insertion in model container [2024-11-08 19:32:42,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:42,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:42,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-08 19:32:42,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:42,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:42,948 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-08 19:32:42,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:42,973 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:42,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42 WrapperNode [2024-11-08 19:32:42,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:42,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:42,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:42,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:42,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:42,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,010 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-08 19:32:43,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:43,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:43,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:43,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:43,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:43,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:43,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:43,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:43,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:42" (1/1) ... [2024-11-08 19:32:43,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:43,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:43,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:43,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:32:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:32:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:32:43,205 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:43,207 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:32:43,389 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:32:43,389 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:32:43,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:32:43,449 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:32:43,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:43 BoogieIcfgContainer [2024-11-08 19:32:43,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:32:43,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:32:43,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:32:43,461 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:32:43,462 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:43" (1/1) ... [2024-11-08 19:32:43,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:32:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:43,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-08 19:32:43,530 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-08 19:32:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:32:43,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:43,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:32:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-08 19:32:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-08 19:32:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:32:44,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:44,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:32:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2024-11-08 19:32:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2024-11-08 19:32:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:32:44,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:44,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:44,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:32:44,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:32:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-11-08 19:32:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-11-08 19:32:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:32:45,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:45,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:32:45,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:32:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2024-11-08 19:32:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2024-11-08 19:32:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:32:46,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:46,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 19:33:11,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:33:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 79 transitions. [2024-11-08 19:33:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-11-08 19:33:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:33:13,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:13,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 19:33:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 84 transitions. [2024-11-08 19:33:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2024-11-08 19:33:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:33:14,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:14,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:33:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:14,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:33:14,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:33:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:33:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 98 transitions. [2024-11-08 19:33:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2024-11-08 19:33:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:33:27,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:27,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:33:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:28,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:33:28,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:33:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:33:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 103 transitions. [2024-11-08 19:33:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2024-11-08 19:33:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:33:29,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:33:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:29,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:33:29,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:33:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 19:33:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 112 transitions. [2024-11-08 19:33:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2024-11-08 19:33:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:33:30,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:30,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:33:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 58 states and 122 transitions. [2024-11-08 19:33:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 122 transitions. [2024-11-08 19:33:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:33:35,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 19:33:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 138 transitions. [2024-11-08 19:33:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 138 transitions. [2024-11-08 19:33:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 19:33:39,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:39,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:33:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:40,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:33:40,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:33:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 19:33:51,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:33:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 159 transitions. [2024-11-08 19:33:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions. [2024-11-08 19:33:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 19:33:52,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:52,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:33:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 19:34:17,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:34:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 72 states and 162 transitions. [2024-11-08 19:34:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 162 transitions. [2024-11-08 19:34:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 19:34:28,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:28,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:34:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 19:34:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 74 states and 166 transitions. [2024-11-08 19:34:41,554 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 166 transitions. [2024-11-08 19:34:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 19:34:41,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:41,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:34:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:34:41,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:34:41,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:34:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 19:35:05,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:35:17,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:35:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 79 states and 181 transitions. [2024-11-08 19:35:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 181 transitions. [2024-11-08 19:35:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 19:35:17,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:17,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:35:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:35:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:17,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:35:17,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:35:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 19:35:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 80 states and 182 transitions. [2024-11-08 19:35:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 182 transitions. [2024-11-08 19:35:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 19:35:18,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:18,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:35:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:35:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:18,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:35:18,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:35:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 29 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 19:35:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:35:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 83 states and 188 transitions. [2024-11-08 19:35:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 188 transitions. [2024-11-08 19:35:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:35:20,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:35:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:35:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:35:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:35:27,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 19:35:27,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:35:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 34 proven. 34 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:37:42,232 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:37:52,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:38:02,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:04,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:04,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 93 states and 211 transitions. [2024-11-08 19:38:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 211 transitions. [2024-11-08 19:38:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:38:04,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:11,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:38:11,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 38 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-08 19:38:25,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:38:37,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:47,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:47,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 99 states and 226 transitions. [2024-11-08 19:38:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 226 transitions. [2024-11-08 19:38:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:38:47,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:47,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:57,833 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:38:57,836 INFO L158 Benchmark]: Toolchain (without parser) took 375273.99ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 66.0MB in the beginning and 99.8MB in the end (delta: -33.8MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 19:38:57,837 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 92.3MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:57,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.75ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 65.8MB in the beginning and 138.1MB in the end (delta: -72.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-11-08 19:38:57,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.52ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:38:57,839 INFO L158 Benchmark]: Boogie Preprocessor took 37.71ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:38:57,839 INFO L158 Benchmark]: RCFGBuilder took 398.94ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 121.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:38:57,840 INFO L158 Benchmark]: CodeCheck took 374384.20ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 99.8MB in the end (delta: 21.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-08 19:38:57,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 92.5MB in the beginning and 92.3MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.75ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 65.8MB in the beginning and 138.1MB in the end (delta: -72.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.52ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.71ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 135.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.94ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 121.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 374384.20ms. Allocated memory is still 169.9MB. Free memory was 121.4MB in the beginning and 99.8MB in the end (delta: 21.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:38:58,058 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 19:38:58,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/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_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:00,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:00,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:39:00,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:00,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:00,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:00,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:00,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:00,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:00,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:00,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:00,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:00,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:00,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:00,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:00,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:00,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:39:00,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:39:00,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:00,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:39:00,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:00,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:00,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:00,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:00,413 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:00,413 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:00,413 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:00,413 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:39:00,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:00,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:00,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:00,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:00,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:00,417 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:39:00,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:00,417 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:39:00,418 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_a403275b-3736-4398-a404-6110e806d30e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c9c42af626702ddf5387966d0ee6d8ed18622c4592b3b15adb184fa40ea1b1 [2024-11-08 19:39:00,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:00,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:00,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:00,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:00,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:00,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/hard-u.c Unable to find full path for "g++" [2024-11-08 19:39:02,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:03,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:03,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c [2024-11-08 19:39:03,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/ad131b93a/c0b6ad8de32649999e2f04ff827f1e90/FLAG2c2d49061 [2024-11-08 19:39:03,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/data/ad131b93a/c0b6ad8de32649999e2f04ff827f1e90 [2024-11-08 19:39:03,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:03,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:03,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:03,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:03,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:03,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131a7e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03, skipping insertion in model container [2024-11-08 19:39:03,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:03,576 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-08 19:39:03,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:03,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:03,648 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/sv-benchmarks/c/nla-digbench/hard-u.c[537,550] [2024-11-08 19:39:03,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:03,699 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:03,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03 WrapperNode [2024-11-08 19:39:03,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:03,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:03,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:03,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:03,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,749 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-08 19:39:03,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:03,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:03,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:03,753 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:03,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:03,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:03,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:03,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:03,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:03" (1/1) ... [2024-11-08 19:39:03,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:03,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:03,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:03,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:39:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:39:03,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:39:04,010 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:04,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:04,278 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:39:04,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:04,369 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:39:04,369 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:39:04,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:04 BoogieIcfgContainer [2024-11-08 19:39:04,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:39:04,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:39:04,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:39:04,394 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:39:04,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:04" (1/1) ... [2024-11-08 19:39:04,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:39:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-08 19:39:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-08 19:39:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:39:04,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:04,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:04,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:04,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:04,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:39:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:04,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:04,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:39:04,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:04,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:39:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-08 19:39:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-08 19:39:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:39:05,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:05,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:05,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:05,067 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:05,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:39:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:05,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:05,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:39:05,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:39:05,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:39:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-08 19:39:05,446 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-08 19:39:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:39:05,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:05,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:05,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:05,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:05,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:39:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:05,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:05,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:39:05,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:39:05,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:39:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2024-11-08 19:39:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2024-11-08 19:39:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:39:06,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:06,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:06,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:06,853 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:06,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:39:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:06,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:07,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:39:07,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:39:07,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 19:39:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2024-11-08 19:39:07,756 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2024-11-08 19:39:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:39:07,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:07,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:07,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:07,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:07,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:39:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:07,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:07,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:39:07,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:39:08,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:39:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2024-11-08 19:39:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-11-08 19:39:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 19:39:10,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:10,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:10,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:10,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:10,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 19:39:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:10,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:10,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:39:10,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 19:39:11,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 19:39:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-08 19:39:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-08 19:39:13,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:39:13,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:13,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 19:39:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:13,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:13,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:39:13,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 19:39:14,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:39:15,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 103 transitions. [2024-11-08 19:39:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2024-11-08 19:39:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:39:15,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:15,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:15,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:15,097 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:15,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 19:39:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:15,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:15,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:39:15,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:15,408 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:39:15,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 19:39:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 111 transitions. [2024-11-08 19:39:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 111 transitions. [2024-11-08 19:39:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:39:16,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:16,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:16,460 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:16,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 19:39:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:16,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:16,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:39:16,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 19:39:16,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:39:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2024-11-08 19:39:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-11-08 19:39:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 19:39:17,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:17,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:17,743 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:17,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 19:39:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:17,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:17,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:39:17,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 19:39:18,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:39:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 59 states and 119 transitions. [2024-11-08 19:39:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 119 transitions. [2024-11-08 19:39:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 19:39:18,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:18,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:18,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:18,596 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:18,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 19:39:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:18,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:18,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:39:18,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:19,078 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 25 proven. 49 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:39:19,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 19:39:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 133 transitions. [2024-11-08 19:39:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 133 transitions. [2024-11-08 19:39:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:39:23,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:23,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:23,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:23,312 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:23,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 19:39:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:23,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:23,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:39:23,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 25 proven. 43 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:39:25,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 19:39:30,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 159 transitions. [2024-11-08 19:39:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 159 transitions. [2024-11-08 19:39:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 19:39:30,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:30,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:30,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 19:39:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:30,900 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:31,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:39:31,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 17 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 19:39:32,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 19:39:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 77 states and 164 transitions. [2024-11-08 19:39:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 164 transitions. [2024-11-08 19:39:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 19:39:34,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:34,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:34,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:34,786 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:34,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 19:39:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:34,946 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:35,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:39:35,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-08 19:39:35,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 19:39:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 79 states and 167 transitions. [2024-11-08 19:39:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 167 transitions. [2024-11-08 19:39:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 19:39:36,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:36,065 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:36,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 19:39:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:36,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:36,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:39:36,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:38,411 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 19:39:38,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 19:39:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 82 states and 177 transitions. [2024-11-08 19:39:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 177 transitions. [2024-11-08 19:39:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 19:39:42,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:42,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:42,176 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:42,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 19:39:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:42,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:42,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:39:42,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 19:39:42,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 19:39:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 83 states and 178 transitions. [2024-11-08 19:39:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 178 transitions. [2024-11-08 19:39:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 19:39:44,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:44,918 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:44,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 19:39:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:45,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:45,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:39:45,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 49 proven. 72 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 19:39:45,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 19:39:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 192 transitions. [2024-11-08 19:39:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 192 transitions. [2024-11-08 19:39:51,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 19:39:51,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:51,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:51,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:51,017 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 19:39:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:51,180 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:51,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:39:51,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-08 19:39:52,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 19:39:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 90 states and 194 transitions. [2024-11-08 19:39:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 194 transitions. [2024-11-08 19:39:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 19:39:56,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:56,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:39:56,187 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:39:56,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 19:39:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:56,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:39:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:56,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:39:56,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 41 proven. 52 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-08 19:39:59,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 19:40:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:06,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 101 states and 221 transitions. [2024-11-08 19:40:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 221 transitions. [2024-11-08 19:40:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 19:40:06,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:06,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:06,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:06,961 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:06,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 19:40:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:07,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:07,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 19:40:07,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 19:40:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 19:40:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 103 states and 226 transitions. [2024-11-08 19:40:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 226 transitions. [2024-11-08 19:40:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 19:40:11,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:11,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:11,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:11,780 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:11,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 19:40:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:12,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:40:12,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-08 19:40:12,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 19:40:13,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 105 states and 229 transitions. [2024-11-08 19:40:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 229 transitions. [2024-11-08 19:40:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:40:13,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:13,411 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 19:40:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:40:13,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 36 proven. 4 refuted. 5 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 19:40:52,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 19:42:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 107 states and 247 transitions. [2024-11-08 19:42:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 247 transitions. [2024-11-08 19:42:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 19:42:38,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:38,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:42:38,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:42:38,146 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:42:38,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 19:42:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:38,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:42:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:39,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:42:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:42:39,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 19:42:39,272 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2024-11-08 19:42:39,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:42:39 ImpRootNode [2024-11-08 19:42:39,335 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:42:39,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:42:39,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:42:39,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:42:39,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:04" (3/4) ... [2024-11-08 19:42:39,337 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:42:39,457 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:42:39,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:42:39,461 INFO L158 Benchmark]: Toolchain (without parser) took 216203.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 66.4MB in the beginning and 79.0MB in the end (delta: -12.6MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,462 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:42:39,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.71ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 53.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,463 INFO L158 Benchmark]: Boogie Preprocessor took 50.92ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:42:39,463 INFO L158 Benchmark]: RCFGBuilder took 570.82ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 55.8MB in the end (delta: -5.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,463 INFO L158 Benchmark]: CodeCheck took 214960.03ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 55.8MB in the beginning and 23.3MB in the end (delta: 32.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,464 INFO L158 Benchmark]: Witness Printer took 125.22ms. Allocated memory is still 109.1MB. Free memory was 23.3MB in the beginning and 79.0MB in the end (delta: -55.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-08 19:42:39,466 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 214.8s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1346 SdHoareTripleChecker+Valid, 84.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 777 mSDsluCounter, 1435 SdHoareTripleChecker+Invalid, 77.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 940 mSDsCounter, 2391 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6966 IncrementalHoareTripleChecker+Invalid, 9357 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2391 mSolverCounterUnsat, 495 mSDtfsCounter, 6966 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8482 GetRequests, 8099 SyntacticMatches, 189 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20000 ImplicationChecksByTransitivity, 191.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 52.0s InterpolantComputationTime, 1121 NumberOfCodeBlocks, 1121 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1018 ConstructedInterpolants, 18 QuantifiedInterpolants, 3995 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1834 ConjunctsInSsa, 260 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 2644/3170 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int A, B; [L24] unsigned int r, d, p, q; [L25] A = __VERIFIER_nondet_uint() [L26] B = __VERIFIER_nondet_uint() [L27] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L27] RET assume_abort_if_not(B >= 1) [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=-1274540032, B=-1274805560, d=-1274805560, p=1, q=0, r=-1274540032] [L34] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=-1274805560, p=1, q=0, r=-1274540032] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-1274540032, B=-1274805560, d=-1274805560, p=1, q=0, r=-1274540032] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-1274540032, B=-1274805560, d=-1274805560, p=1, q=0, r=-1274540032] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-1274540032, B=-1274805560, d=-1274805560, p=1, q=0, r=-1274540032] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=0, r=-1274540032] [L34] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=0, r=-1274540032] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=0, r=-1274540032] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=0, r=-1274540032] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=0, r=-1274540032] [L38] COND FALSE !(!(r >= d)) [L40] d = 2 * d [L41] p = 2 * p VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L34] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L35] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L36] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L37] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L38] COND TRUE !(r >= d) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L44] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L46] CALL __VERIFIER_assert(d == B*p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L46] RET __VERIFIER_assert(d == B*p) VAL [A=-1274540032, B=-1274805560, d=-804254944, p=4, q=0, r=-1274540032] [L48] COND FALSE !(!(p != 1)) [L50] d = d / 2 [L51] p = p / 2 [L52] COND TRUE r >= d [L53] r = r - d [L54] q = q + p VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=2, r=1275071088] [L44] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=2, r=1275071088] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L45] RET __VERIFIER_assert(A == q*B + r) VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=2, r=1275071088] [L46] CALL __VERIFIER_assert(d == B*p) VAL [\old(cond)=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1] [L46] RET __VERIFIER_assert(d == B*p) VAL [A=-1274540032, B=-1274805560, d=1745356176, p=2, q=2, r=1275071088] [L48] COND FALSE !(!(p != 1)) [L50] d = d / 2 [L51] p = p / 2 [L52] COND TRUE r >= d [L53] r = r - d [L54] q = q + p VAL [A=-1274540032, B=-1274805560, d=872678088, p=1, q=3, r=402393000] [L44] COND TRUE 1 VAL [A=-1274540032, B=-1274805560, d=872678088, p=1, q=3, r=402393000] [L45] CALL __VERIFIER_assert(A == q*B + r) VAL [\old(cond)=0] [L15] COND TRUE !(cond) VAL [\old(cond)=0] [L17] reach_error() VAL [\old(cond)=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.71ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 53.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 51.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.92ms. Allocated memory is still 90.2MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.82ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 55.8MB in the end (delta: -5.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 214960.03ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 55.8MB in the beginning and 23.3MB in the end (delta: 32.5MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 125.22ms. Allocated memory is still 109.1MB. Free memory was 23.3MB in the beginning and 79.0MB in the end (delta: -55.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:42:39,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a403275b-3736-4398-a404-6110e806d30e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE