./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/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_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/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 64bit --witnessprinter.graph.data.programhash 799588e54c3039b2c8c519a723f8c91c1a6dd7c6903655309c138fca54077fbe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:51:18,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:51:18,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:51:18,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:51:18,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:51:19,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:51:19,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:51:19,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:51:19,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:51:19,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:51:19,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:51:19,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:51:19,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:51:19,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:51:19,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:51:19,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:51:19,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:51:19,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:51:19,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:51:19,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:51:19,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:51:19,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:51:19,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:51:19,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:51:19,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:19,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:51:19,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:51:19,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:51:19,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:51:19,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:51:19,032 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_f20696c2-dd92-475a-9ed5-e044a022d052/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 799588e54c3039b2c8c519a723f8c91c1a6dd7c6903655309c138fca54077fbe [2024-11-09 00:51:19,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:51:19,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:51:19,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:51:19,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:51:19,319 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:51:19,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c Unable to find full path for "g++" [2024-11-09 00:51:21,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:21,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:21,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c [2024-11-09 00:51:21,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/3d6a2d843/9af727f1989d4f67bedafb36bc884d34/FLAG05a47761a [2024-11-09 00:51:21,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/3d6a2d843/9af727f1989d4f67bedafb36bc884d34 [2024-11-09 00:51:21,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:21,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:21,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:21,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:21,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:21,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:21" (1/1) ... [2024-11-09 00:51:21,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c24bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:21, skipping insertion in model container [2024-11-09 00:51:21,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:21" (1/1) ... [2024-11-09 00:51:22,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:22,266 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_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c[1259,1272] [2024-11-09 00:51:22,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:22,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:22,636 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_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c[1259,1272] [2024-11-09 00:51:22,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:22,818 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:22,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22 WrapperNode [2024-11-09 00:51:22,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:22,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:22,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:22,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:22,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:22,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,239 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2121 [2024-11-09 00:51:23,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:23,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:23,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:23,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:23,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:23,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:23,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:23,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:23,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:22" (1/1) ... [2024-11-09 00:51:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:23,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:23,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:23,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:51:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:24,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:24,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:27,112 INFO L? ?]: Removed 1281 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:27,113 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:30,731 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:30,732 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:51:30,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:30 BoogieIcfgContainer [2024-11-09 00:51:30,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:30,733 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:30,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:30,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:30,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:30" (1/1) ... [2024-11-09 00:51:30,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:51:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:51:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:51:30,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:33,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:43,857 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 [] [2024-11-09 00:51:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-09 00:51:44,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-09 00:51:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:51:44,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:51:58,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:52:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:18,019 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 00:52:18,023 INFO L158 Benchmark]: Toolchain (without parser) took 56051.65ms. Allocated memory was 153.1MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 109.9MB in the beginning and 876.9MB in the end (delta: -767.0MB). Peak memory consumption was 712.0MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,024 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:52:18,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.20ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 107.1MB in the end (delta: 2.3MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 419.82ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 87.6MB in the end (delta: 19.5MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,026 INFO L158 Benchmark]: Boogie Preprocessor took 445.26ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 87.6MB in the beginning and 157.6MB in the end (delta: -70.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,027 INFO L158 Benchmark]: RCFGBuilder took 7042.37ms. Allocated memory was 239.1MB in the beginning and 450.9MB in the end (delta: 211.8MB). Free memory was 157.6MB in the beginning and 191.0MB in the end (delta: -33.4MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,028 INFO L158 Benchmark]: CodeCheck took 47288.88ms. Allocated memory was 450.9MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 191.0MB in the beginning and 876.9MB in the end (delta: -685.9MB). Peak memory consumption was 493.8MB. Max. memory is 16.1GB. [2024-11-09 00:52:18,031 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 0.35ms. Allocated memory is still 119.5MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.20ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 107.1MB in the end (delta: 2.3MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 419.82ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 87.6MB in the end (delta: 19.5MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 445.26ms. Allocated memory was 153.1MB in the beginning and 239.1MB in the end (delta: 86.0MB). Free memory was 87.6MB in the beginning and 157.6MB in the end (delta: -70.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7042.37ms. Allocated memory was 239.1MB in the beginning and 450.9MB in the end (delta: 211.8MB). Free memory was 157.6MB in the beginning and 191.0MB in the end (delta: -33.4MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. * CodeCheck took 47288.88ms. Allocated memory was 450.9MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 191.0MB in the beginning and 876.9MB in the end (delta: -685.9MB). Peak memory consumption was 493.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:52:18,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/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_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/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 64bit --witnessprinter.graph.data.programhash 799588e54c3039b2c8c519a723f8c91c1a6dd7c6903655309c138fca54077fbe --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:20,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:20,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:52:20,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:20,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:20,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:20,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:20,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:20,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:20,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:20,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:20,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:20,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:20,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:20,656 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:52:20,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:52:20,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:20,657 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:52:20,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:20,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:20,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:20,663 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:20,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:20,663 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:20,664 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:52:20,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:20,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:20,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:20,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:20,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:20,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:52:20,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:20,666 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:52:20,666 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_f20696c2-dd92-475a-9ed5-e044a022d052/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 799588e54c3039b2c8c519a723f8c91c1a6dd7c6903655309c138fca54077fbe [2024-11-09 00:52:21,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:21,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:21,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:21,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:21,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:21,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c Unable to find full path for "g++" [2024-11-09 00:52:23,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:23,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:23,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c [2024-11-09 00:52:23,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/f0cc9f677/b3f57d29baf74463b07b43c76295a92b/FLAGbe304f8f9 [2024-11-09 00:52:23,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/data/f0cc9f677/b3f57d29baf74463b07b43c76295a92b [2024-11-09 00:52:23,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:23,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:23,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:23,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:23,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:23,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d738f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:23, skipping insertion in model container [2024-11-09 00:52:23,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:23" (1/1) ... [2024-11-09 00:52:23,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:23,916 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_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c[1259,1272] [2024-11-09 00:52:24,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:24,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:24,281 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_f20696c2-dd92-475a-9ed5-e044a022d052/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p5.c[1259,1272] [2024-11-09 00:52:24,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:24,424 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:24,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24 WrapperNode [2024-11-09 00:52:24,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:24,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:24,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:24,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:24,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,561 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 845 [2024-11-09 00:52:24,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:24,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:24,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:24,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:24,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:24,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:24,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:24,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:24,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:24" (1/1) ... [2024-11-09 00:52:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:24,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:52:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:24,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:25,049 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:25,052 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:52:26,675 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-09 00:52:26,676 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:52:26,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:52:26,752 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:52:26,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:26 BoogieIcfgContainer [2024-11-09 00:52:26,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:52:26,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:52:26,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:52:26,764 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:52:26,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:26" (1/1) ... [2024-11-09 00:52:26,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:52:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:52:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:52:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:52:26,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:26,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:26,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:26,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:26,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:52:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:27,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:27,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:52:27,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:27,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:52:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:27,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:52:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:52:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:52:27,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:27,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:27,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:27,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:52:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:28,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:28,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:52:28,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:28,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:52:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-09 00:52:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-09 00:52:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:52:30,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:30,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:30,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:30,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:30,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:52:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:30,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:30,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:52:30,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:31,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:52:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:35,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2024-11-09 00:52:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2024-11-09 00:52:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:52:35,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:35,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:35,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:52:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:35,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:36,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:52:36,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:36,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:52:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2024-11-09 00:52:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2024-11-09 00:52:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:52:37,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:37,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:37,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:37,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:37,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:52:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:38,449 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:38,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:52:38,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:39,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:52:55,640 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 [0] [2024-11-09 00:52:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:55,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 22 states and 45 transitions. [2024-11-09 00:52:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 45 transitions. [2024-11-09 00:52:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:52:55,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:55,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:52:55,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:52:55,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:52:55,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:52:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:56,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:52:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:56,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:52:56,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:00,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:02,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:02,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:02,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:02,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:02,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:53:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:03,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:03,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:03,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:07,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:07,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:07,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:07,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:07,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:07,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:53:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:08,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:08,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:08,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:09,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:09,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:09,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:09,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:09,774 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:09,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:53:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:10,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:10,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:10,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:18,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:53:18,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:18,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:18,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:18,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:53:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:19,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:19,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:20,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:53:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:20,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:20,659 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:20,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:53:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:21,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:21,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:21,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:23,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:53:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:23,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:23,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:23,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:23,380 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:23,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:53:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:24,379 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:24,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:24,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:31,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:53:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:31,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:31,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:31,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:31,851 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:31,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:53:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:32,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:33,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:33,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:39,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:53:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:39,538 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:39,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:39,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:39,542 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:53:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:40,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:40,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:40,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:42,250 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:42,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:53:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:42,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:42,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:42,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:42,302 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:42,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:53:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:43,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:43,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:43,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:53,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:53:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:53,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:53,569 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:53,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:53:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:54,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:54,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:54,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:56,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:53:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:53:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:53:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:53:56,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:56,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:56,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:56,995 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:56,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:53:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:58,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:58,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:53:58,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:00,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:54:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:00,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:00,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:00,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:00,147 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:00,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:54:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:01,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:01,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:01,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:18,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:54:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:18,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:18,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:18,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:18,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:18,709 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:18,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:54:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:19,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:20,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:20,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:27,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:27,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:27,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:27,711 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:27,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:54:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:28,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:29,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:29,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:37,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:37,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:37,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:37,921 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:54:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:39,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:39,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:39,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:42,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 00:54:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:42,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:42,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:42,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:42,922 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:42,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:54:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:44,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:44,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:44,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:48,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:48,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:48,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:48,926 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:48,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:54:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:50,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:50,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:50,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:58,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:54:58,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:54:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:54:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:54:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:54:58,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:58,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:54:58,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:54:58,257 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:54:58,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:54:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:59,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:54:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:59,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:54:59,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:06,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:06,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:06,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:06,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:06,808 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:06,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:55:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:08,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:08,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:08,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:13,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:13,902 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:13,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:13,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:13,908 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:13,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:55:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:15,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:15,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:15,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:19,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:55:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:19,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:19,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:19,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:19,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:19,338 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:19,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:55:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:20,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:20,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:20,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:25,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:55:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:25,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:25,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:25,863 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:55:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:27,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:27,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:27,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:33,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:55:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:33,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:33,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:33,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:33,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:33,743 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:55:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:35,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:35,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:35,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:40,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:55:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:40,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:40,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:40,377 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:55:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:41,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:41,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:42,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:45,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:55:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:45,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:45,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:45,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:45,447 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:45,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:55:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:46,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:47,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:47,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:55:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:55:48,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:55:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:55:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:55:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:55:48,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:48,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:48,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:48,308 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:48,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:55:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:55:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:49,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:55:49,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:00,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-09 00:56:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:00,544 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:00,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:00,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:00,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:00,548 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:00,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:56:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:01,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:02,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:02,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:04,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-09 00:56:04,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:04,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:04,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:04,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:04,419 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:04,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:56:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:05,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:06,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:06,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:07,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:07,528 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:07,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:07,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:07,530 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:07,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:56:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:09,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:09,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:09,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:12,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:12,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:12,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:12,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:12,457 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:12,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:56:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:14,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:14,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:14,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:16,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:16,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:16,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:16,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:16,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:16,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:16,525 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:16,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:56:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:18,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:18,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:18,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:24,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:24,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:24,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:24,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:24,049 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:24,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:56:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:25,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:25,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:25,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:29,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:29,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:29,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:29,643 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:29,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:56:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:31,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:31,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:31,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:36,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:36,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:36,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:36,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:36,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:36,441 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:36,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:56:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:38,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:38,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:38,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:42,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:42,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:42,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:42,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:42,046 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:42,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:56:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:43,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:44,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:44,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:45,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:45,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:45,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:45,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:45,486 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:45,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:56:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:47,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:47,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:47,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:50,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-09 00:56:50,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:50,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:50,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:50,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:50,855 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:50,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:56:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:52,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:56:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:52,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:56:52,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:56:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:59,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:56:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:56:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:56:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:56:59,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:56:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:56:59,341 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:56:59,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:57:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:00,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:01,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:01,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:18,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:57:21,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:21,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:57:21,312 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:57:21,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:21,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:21,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:21,314 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:21,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:57:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:23,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:23,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:23,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:28,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:28,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:57:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:57:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:57:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:28,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:28,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:28,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:28,264 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:28,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:57:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:29,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:30,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:30,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:36,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:57:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:57:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:57:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:37,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:37,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:37,009 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:37,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:57:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:38,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:39,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:39,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:47,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:57:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:57:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:57:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:47,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:47,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:47,857 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:47,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:57:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:49,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:49,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:49,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:57:51,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:57:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:51,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:57:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:57:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:51,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:51,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:57:51,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:57:51,409 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:57:51,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:57:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:53,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:57:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:53,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:57:53,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:05,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:10,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:10,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:10,730 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:58:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:12,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:15,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-09 00:58:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:16,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:16,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:16,024 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:58:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:18,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:28,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:28,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:28,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:28,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:28,679 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:28,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:58:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:30,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:34,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:58:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:34,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:34,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:34,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:34,491 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:34,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:58:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:36,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:38,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-09 00:58:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:38,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:38,822 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:58:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:40,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:58:53,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:58:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:58:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:58:53,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:53,040 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:53,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:58:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:55,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:58:55,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:00,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-09 00:59:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:00,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:00,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:00,574 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:00,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:59:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:02,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:07,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-09 00:59:07,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:07,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:07,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:07,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:07,598 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:07,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:59:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:09,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:16,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-09 00:59:16,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:16,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:16,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:16,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:16,570 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:16,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:59:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,509 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:18,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:24,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-09 00:59:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:24,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:24,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:24,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:24,566 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:24,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:59:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:26,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:30,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:30,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:30,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:30,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:30,837 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:30,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:59:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:33,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:33,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:36,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-09 00:59:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:36,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:36,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:36,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:36,137 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:36,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:59:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:38,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:48,215 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:48,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-09 00:59:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:48,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:48,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:48,288 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:48,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:59:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:59:50,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:59:59,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-09 00:59:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 00:59:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 00:59:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:59:59,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:59,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:59,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:59,176 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:59,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 01:00:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:01,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:03,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:03,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:03,978 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 01:00:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:06,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:10,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:10,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:10,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:10,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:10,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:10,626 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 01:00:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:13,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:13,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:14,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:14,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:14,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:14,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:14,174 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:14,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 01:00:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:16,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:18,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:18,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:18,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:18,495 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:18,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-09 01:00:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:20,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:25,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-09 01:00:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:25,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:25,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:25,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:25,126 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:25,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-09 01:00:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:27,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:31,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:31,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:31,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:31,362 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:31,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-09 01:00:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:33,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:38,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:38,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:38,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:38,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:38,877 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:38,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-09 01:00:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:41,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:00:46,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-09 01:00:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:00:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:00:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:00:46,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:46,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:46,290 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:46,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-09 01:00:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:00:48,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:00,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-09 01:01:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:00,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:00,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:00,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:00,615 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:00,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-09 01:01:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:02,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:03,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:03,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:07,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-09 01:01:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:08,008 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:08,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:08,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:08,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:08,009 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:08,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-09 01:01:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:10,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:10,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:10,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:19,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-09 01:01:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:19,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:19,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:19,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:19,819 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:19,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-09 01:01:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:22,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:22,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:22,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:26,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:26,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:26,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:26,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:26,967 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:26,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-09 01:01:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:29,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:29,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:34,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:34,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:34,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:34,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:34,487 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:34,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-09 01:01:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:36,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:37,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:37,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:46,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:46,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:46,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:46,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:46,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:46,911 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:46,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-09 01:01:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:49,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:49,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:49,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:01:55,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-09 01:01:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:01:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:01:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:01:55,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:55,546 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:55,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-09 01:01:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:57,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:58,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:01:58,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:17,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-09 01:02:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:02:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:02:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:21,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:21,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:21,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:21,622 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:21,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-09 01:02:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:24,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:24,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:02:24,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:27,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:02:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:02:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:27,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:27,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:27,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:27,599 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:27,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-09 01:02:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:30,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:30,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:02:30,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:33,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:02:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:02:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:33,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:33,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:33,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:33,170 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:33,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-09 01:02:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:35,646 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:35,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:02:35,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:37,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:02:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:02:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:37,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:37,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:37,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:37,624 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:37,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-09 01:02:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:40,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:40,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:02:40,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:57,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:02:57,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:02:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:02:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:02:59,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:59,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:59,063 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:59,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-09 01:03:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:01,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:01,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:01,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:06,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-09 01:03:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:03:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:03:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:03:06,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:06,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:06,817 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:06,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-09 01:03:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:09,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:09,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:09,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:11,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-09 01:03:11,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:03:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:03:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:03:11,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:11,223 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-09 01:03:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:13,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:14,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:14,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:15,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-09 01:03:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:03:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:03:15,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:03:15,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:15,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:15,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:15,924 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:15,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-09 01:03:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:18,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:18,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:18,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:42,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-09 01:03:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:03:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:03:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:03:52,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:52,437 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:52,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-09 01:03:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:55,145 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:55,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:55,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:03:56,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-09 01:03:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:03:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:03:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:03:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:03:56,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:03:56,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:03:56,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:03:56,828 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:03:56,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-09 01:03:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:59,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:03:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:03:59,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:03:59,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:01,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-09 01:04:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:01,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:01,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:01,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:01,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:01,447 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:01,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-09 01:04:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:04,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:04,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:04,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:10,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-09 01:04:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:11,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:11,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:11,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:11,020 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:11,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-09 01:04:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:13,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:14,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:14,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:17,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-09 01:04:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:18,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:18,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:18,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:18,014 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:18,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-09 01:04:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:20,724 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:20,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:21,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:25,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:25,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:25,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:25,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:25,479 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:25,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-09 01:04:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:28,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:28,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:28,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:30,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:30,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:30,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:30,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:30,733 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:30,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-09 01:04:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:33,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:33,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:33,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:04:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:04:40,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-09 01:04:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:04:40,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:04:40,257 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:04:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:04:40,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:04:40,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:04:40,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:04:40,258 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:04:40,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-09 01:04:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:43,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:04:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:04:43,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:04:43,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:09,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-09 01:05:14,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:05:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:05:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:05:14,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:14,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:14,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:14,834 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:14,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-09 01:05:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:17,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:17,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:05:17,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:19,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-09 01:05:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:05:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:05:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:05:19,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:19,470 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:19,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-09 01:05:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:22,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:22,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:05:22,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:05:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 01:05:32,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-09 01:05:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:05:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2024-11-09 01:05:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2024-11-09 01:05:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 01:05:32,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:05:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:05:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:05:32,787 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:05:32,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20696c2-dd92-475a-9ed5-e044a022d052/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-09 01:05:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:35,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:05:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:05:35,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 01:05:35,861 INFO L278 TraceCheckSpWp]: Computing forward predicates...