./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:02:50,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:02:51,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 01:02:51,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:02:51,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 01:02:51,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:02:51,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:02:51,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:02:51,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:02:51,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:02:51,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:02:51,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:02:51,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:02:51,171 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:02:51,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:02:51,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:02:51,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:02:51,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:02:51,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:02:51,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:02:51,174 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:02:51,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:02:51,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:02:51,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:02:51,179 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:02:51,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:02:51,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:02:51,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:02:51,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:02:51,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:02:51,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:02:51,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 01:02:51,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:02:51,185 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 [2024-11-09 01:02:51,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:02:51,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:02:51,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:02:51,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:02:51,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:02:51,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c Unable to find full path for "g++" [2024-11-09 01:02:53,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:02:53,832 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:02:53,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-11-09 01:02:53,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/5f4682eac/69b0bc44c0914906a322ae356cd329ed/FLAG7231a67d2 [2024-11-09 01:02:53,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/5f4682eac/69b0bc44c0914906a322ae356cd329ed [2024-11-09 01:02:53,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:02:53,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:02:53,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:02:53,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:02:53,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:02:53,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:02:53" (1/1) ... [2024-11-09 01:02:53,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2962355f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:53, skipping insertion in model container [2024-11-09 01:02:53,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:02:53" (1/1) ... [2024-11-09 01:02:53,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:02:54,070 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-11-09 01:02:54,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:02:54,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:02:54,126 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-11-09 01:02:54,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:02:54,155 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:02:54,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54 WrapperNode [2024-11-09 01:02:54,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:02:54,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:02:54,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:02:54,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:02:54,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,189 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 01:02:54,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:02:54,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:02:54,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:02:54,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:02:54,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:02:54,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:02:54,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:02:54,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:02:54,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:02:54,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:02:54,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:02:54,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:02:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:02:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:02:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:02:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:02:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:02:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:02:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:02:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:02:54,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:02:54,359 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:02:54,591 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 01:02:54,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:02:54,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:02:54,641 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 01:02:54,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:02:54 BoogieIcfgContainer [2024-11-09 01:02:54,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:02:54,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:02:54,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:02:54,656 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:02:54,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:02:54" (1/1) ... [2024-11-09 01:02:54,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:02:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 01:02:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 01:02:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 01:02:54,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:54,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:02:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:55,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 01:02:55,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 01:02:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-09 01:02:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 01:02:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 01:02:55,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:03:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:03:05,642 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) [2024-11-09 01:03:05,646 INFO L158 Benchmark]: Toolchain (without parser) took 11786.17ms. Allocated memory is still 182.5MB. Free memory was 141.1MB in the beginning and 126.9MB in the end (delta: 14.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-11-09 01:03:05,646 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:05,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.22ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 127.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:03:05,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.93ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:03:05,648 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 182.5MB. Free memory was 126.0MB in the beginning and 125.2MB in the end (delta: 739.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:05,649 INFO L158 Benchmark]: RCFGBuilder took 425.81ms. Allocated memory is still 182.5MB. Free memory was 124.8MB in the beginning and 111.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:03:05,649 INFO L158 Benchmark]: CodeCheck took 11001.61ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 126.9MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:03:05,653 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 0.26ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.22ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 127.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.93ms. Allocated memory is still 182.5MB. Free memory was 127.9MB in the beginning and 126.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 182.5MB. Free memory was 126.0MB in the beginning and 125.2MB in the end (delta: 739.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.81ms. Allocated memory is still 182.5MB. Free memory was 124.8MB in the beginning and 111.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11001.61ms. Allocated memory is still 182.5MB. Free memory was 111.3MB in the beginning and 126.9MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 01:03:05,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:03:08,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:03:08,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 01:03:08,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:03:08,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:03:08,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 01:03:08,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 01:03:08,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 01:03:08,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:03:08,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:03:08,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:03:08,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:03:08,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:03:08,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:03:08,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:03:08,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:03:08,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:03:08,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:03:08,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:03:08,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:03:08,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:03:08,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:03:08,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:03:08,383 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 01:03:08,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 01:03:08,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 01:03:08,385 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:08,385 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 01:03:08,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:03:08,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:08,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:03:08,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:03:08,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:03:08,387 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:03:08,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:08,388 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 01:03:08,388 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e9bd2889140c35a1e4cb13cce45121897f7602719339304e30875d144da718 [2024-11-09 01:03:08,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:03:08,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:03:08,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:03:08,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:03:08,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:03:08,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c Unable to find full path for "g++" [2024-11-09 01:03:11,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:03:11,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:03:11,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c [2024-11-09 01:03:11,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/8ef44bcef/e0330a955b1e4f5198a7f0ebddc895a8/FLAG411a7daad [2024-11-09 01:03:11,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/data/8ef44bcef/e0330a955b1e4f5198a7f0ebddc895a8 [2024-11-09 01:03:11,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:03:11,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:03:11,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:11,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:03:11,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:03:11,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c21c503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11, skipping insertion in model container [2024-11-09 01:03:11,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:03:11,565 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-11-09 01:03:11,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:11,617 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:03:11,636 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_d6a57e7a-c77f-4279-a029-3aad8099c9e6/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound100.c[552,565] [2024-11-09 01:03:11,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:03:11,688 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:03:11,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11 WrapperNode [2024-11-09 01:03:11,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:03:11,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:11,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:03:11,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:03:11,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,731 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 01:03:11,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:03:11,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:03:11,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:03:11,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:03:11,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:03:11,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:03:11,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:03:11,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:03:11,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:03:11" (1/1) ... [2024-11-09 01:03:11,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 01:03:11,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 01:03:11,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 01:03:11,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 01:03:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:03:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:03:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:03:11,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:03:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:03:11,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:03:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:03:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:03:11,959 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:03:11,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:03:12,212 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 01:03:12,214 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:03:12,280 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:03:12,280 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 01:03:12,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:12 BoogieIcfgContainer [2024-11-09 01:03:12,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:03:12,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 01:03:12,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 01:03:12,305 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 01:03:12,305 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:03:12" (1/1) ... [2024-11-09 01:03:12,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:03:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 01:03:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 01:03:12,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 01:03:12,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:12,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:12,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:12,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 01:03:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:12,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:18,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 01:03:18,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 01:03:19,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 01:03:24,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:24,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-09 01:03:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 01:03:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 01:03:24,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:24,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:24,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:24,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 01:03:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:25,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:25,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 01:03:25,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 01:03:26,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 01:03:34,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:38,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 68 transitions. [2024-11-09 01:03:39,212 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-09 01:03:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 01:03:39,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:39,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:39,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:39,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 01:03:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:39,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:39,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:03:39,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 01:03:41,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 01:03:43,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 72 transitions. [2024-11-09 01:03:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-09 01:03:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 01:03:43,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:43,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:43,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:43,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:43,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 01:03:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:43,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:43,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:03:43,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 01:03:43,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 01:03:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 74 transitions. [2024-11-09 01:03:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-09 01:03:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 01:03:44,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:44,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:44,654 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:44,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 01:03:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:44,722 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:44,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:03:44,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 01:03:47,118 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 01:03:47,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 01:03:58,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:03:59,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 79 transitions. [2024-11-09 01:03:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2024-11-09 01:03:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 01:03:59,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:59,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:59,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:59,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:59,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 01:03:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:59,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:07,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 01:04:07,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 01:04:15,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:35,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:04:45,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:04,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 87 transitions. [2024-11-09 01:05:29,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-11-09 01:05:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 01:05:29,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:29,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:29,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:29,327 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:29,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 01:05:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:29,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:29,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:05:29,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:05:30,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 01:05:41,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:05:51,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:18,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:06:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 91 transitions. [2024-11-09 01:06:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2024-11-09 01:06:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 01:06:18,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:06:18,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:06:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:06:18,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:06:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 01:06:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:18,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:06:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:06:26,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 01:06:26,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:06:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:06:27,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 01:06:38,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:06:58,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.61s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:08,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:12,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:22,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:07:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:07:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 101 transitions. [2024-11-09 01:07:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2024-11-09 01:07:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 01:07:23,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:07:23,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:07:23,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:07:23,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:07:23,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 01:07:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:07:23,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:07:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:07:29,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 01:07:29,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:07:36,864 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:07:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 01:07:48,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 01:08:04,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:14,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:26,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:08:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:08:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 107 transitions. [2024-11-09 01:08:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2024-11-09 01:08:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 01:08:47,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:08:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:08:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:08:47,347 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:08:47,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 01:08:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:47,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:08:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:08:50,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 01:08:50,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:08:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-09 01:08:53,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 01:09:12,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:32,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:39,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.05s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:49,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:09:50,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:09:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 113 transitions. [2024-11-09 01:09:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2024-11-09 01:09:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 01:09:50,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:09:50,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:09:50,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:09:50,414 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:09:50,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 01:09:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:09:51,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:09:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:09:58,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:09:58,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:25,017 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:10:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 13 proven. 20 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 01:10:52,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 01:11:37,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.87s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:11:55,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:01,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:11,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:13:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 119 transitions. [2024-11-09 01:13:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2024-11-09 01:13:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 01:13:26,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:13:26,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:13:26,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:13:26,867 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:13:26,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 01:13:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:27,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:13:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:34,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 01:13:34,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:54,464 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:14:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 01:14:14,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 01:14:41,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:14:51,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:14:53,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:17,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:39,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:15:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 125 transitions. [2024-11-09 01:15:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 125 transitions. [2024-11-09 01:15:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 01:15:39,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:15:39,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:39,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:15:39,010 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:15:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 01:15:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:15:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:15:39,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 01:15:42,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 01:15:48,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:15:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 133 transitions. [2024-11-09 01:15:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2024-11-09 01:15:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 01:15:52,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:15:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:15:52,138 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:15:52,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 01:15:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:52,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:15:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:52,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 01:15:52,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 01:16:01,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 01:17:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:17:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 145 transitions. [2024-11-09 01:17:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions. [2024-11-09 01:17:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 01:17:19,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:17:19,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:17:19,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:17:19,865 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:17:19,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 01:17:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:20,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:17:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:23,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 01:17:23,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 01:17:27,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6a57e7a-c77f-4279-a029-3aad8099c9e6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:46,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []