./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:31:48,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:31:49,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:31:49,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:31:49,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:31:49,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:31:49,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:31:49,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:31:49,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:31:49,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:31:49,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:31:49,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:31:49,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:31:49,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:31:49,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:31:49,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:31:49,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:31:49,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:31:49,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:31:49,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:31:49,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:31:49,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:31:49,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:31:49,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:31:49,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:31:49,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:31:49,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:31:49,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:31:49,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:31:49,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:31:49,113 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 [2024-11-09 00:31:49,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:31:49,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:31:49,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:31:49,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:31:49,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:31:49,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c Unable to find full path for "g++" [2024-11-09 00:31:51,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:31:51,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:31:51,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2024-11-09 00:31:51,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/ae4f046cf/a106cff3e1104bd783818953a99a3040/FLAGf0b6fdf51 [2024-11-09 00:31:51,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/ae4f046cf/a106cff3e1104bd783818953a99a3040 [2024-11-09 00:31:51,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:31:51,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:31:51,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:51,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:31:51,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:31:51,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:51" (1/1) ... [2024-11-09 00:31:51,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e9c08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:51, skipping insertion in model container [2024-11-09 00:31:51,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:31:51" (1/1) ... [2024-11-09 00:31:51,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:31:52,090 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2024-11-09 00:31:52,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:52,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:31:52,573 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2024-11-09 00:31:52,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:31:52,793 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:31:52,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52 WrapperNode [2024-11-09 00:31:52,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:31:52,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:52,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:31:52,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:31:52,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:52,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,262 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2366 [2024-11-09 00:31:53,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:31:53,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:31:53,263 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:31:53,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:31:53,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:31:53,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:31:53,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:31:53,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:31:53,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:31:52" (1/1) ... [2024-11-09 00:31:53,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:31:53,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:31:53,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:31:53,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:31:53,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:31:53,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:31:53,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:31:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:31:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:31:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:31:53,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:31:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:31:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:31:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:31:54,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:31:54,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:31:57,679 INFO L? ?]: Removed 1283 outVars from TransFormulas that were not future-live. [2024-11-09 00:31:57,679 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:32:01,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:32:01,254 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:32:01,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:01 BoogieIcfgContainer [2024-11-09 00:32:01,255 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:32:01,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:32:01,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:32:01,267 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:32:01,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:32:01" (1/1) ... [2024-11-09 00:32:01,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:32:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-09 00:32:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-09 00:32:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:32:01,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-09 00:32:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-09 00:32:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:32:02,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:03,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:03,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-09 00:32:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-09 00:32:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:32:03,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-09 00:32:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-09 00:32:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:32:04,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:04,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:05,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2024-11-09 00:32:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-11-09 00:32:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:32:05,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2024-11-09 00:32:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-11-09 00:32:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:32:06,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:06,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:07,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:07,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2024-11-09 00:32:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2024-11-09 00:32:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:32:07,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:07,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2024-11-09 00:32:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2024-11-09 00:32:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:32:09,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-09 00:32:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-09 00:32:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:32:10,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:10,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:32:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2024-11-09 00:32:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-09 00:32:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:32:11,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2024-11-09 00:32:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-11-09 00:32:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:32:12,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-11-09 00:32:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-09 00:32:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:32:12,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:12,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2024-11-09 00:32:13,433 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-11-09 00:32:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:32:13,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2024-11-09 00:32:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-09 00:32:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:32:14,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:14,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2024-11-09 00:32:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-09 00:32:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:32:15,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2024-11-09 00:32:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2024-11-09 00:32:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:32:17,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:17,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2024-11-09 00:32:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-11-09 00:32:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:32:18,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2024-11-09 00:32:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2024-11-09 00:32:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:32:19,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:32:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2024-11-09 00:32:21,193 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2024-11-09 00:32:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:32:21,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:32:32,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:35,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:36,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:37,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:47,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:47,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2024-11-09 00:32:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2024-11-09 00:32:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 00:32:47,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2024-11-09 00:32:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2024-11-09 00:32:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 00:32:50,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:50,751 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2024-11-09 00:32:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2024-11-09 00:32:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 00:32:51,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 81 states and 100 transitions. [2024-11-09 00:32:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-11-09 00:32:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 00:32:52,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:52,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2024-11-09 00:32:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-11-09 00:32:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:32:54,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:54,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2024-11-09 00:32:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2024-11-09 00:32:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:32:56,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:56,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:32:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2024-11-09 00:32:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2024-11-09 00:32:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:32:58,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:58,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:33:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 89 states and 108 transitions. [2024-11-09 00:33:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2024-11-09 00:33:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:33:01,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:33:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 91 states and 110 transitions. [2024-11-09 00:33:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2024-11-09 00:33:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:33:03,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-09 00:33:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-11-09 00:33:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-11-09 00:33:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:33:06,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:06,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:14,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:33:14,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:14,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2024-11-09 00:33:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2024-11-09 00:33:14,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 00:33:14,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:15,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-09 00:33:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-09 00:33:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 00:33:15,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:15,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 114 transitions. [2024-11-09 00:33:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-09 00:33:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:33:17,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:17,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 116 transitions. [2024-11-09 00:33:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2024-11-09 00:33:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 00:33:19,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:19,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2024-11-09 00:33:21,062 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2024-11-09 00:33:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 00:33:21,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 102 states and 120 transitions. [2024-11-09 00:33:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 120 transitions. [2024-11-09 00:33:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:33:23,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:23,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2024-11-09 00:33:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2024-11-09 00:33:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 00:33:26,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:26,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2024-11-09 00:33:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2024-11-09 00:33:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 00:33:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:28,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-09 00:33:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2024-11-09 00:33:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-11-09 00:33:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 00:33:31,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:31,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 109 states and 127 transitions. [2024-11-09 00:33:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2024-11-09 00:33:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 00:33:32,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2024-11-09 00:33:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2024-11-09 00:33:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 00:33:33,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:33,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 111 states and 128 transitions. [2024-11-09 00:33:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-09 00:33:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 00:33:35,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:35,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 113 states and 130 transitions. [2024-11-09 00:33:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2024-11-09 00:33:37,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 00:33:37,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:37,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2024-11-09 00:33:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2024-11-09 00:33:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 00:33:39,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:39,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:42,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 117 states and 134 transitions. [2024-11-09 00:33:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2024-11-09 00:33:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 00:33:42,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:42,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2024-11-09 00:33:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2024-11-09 00:33:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 00:33:45,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2024-11-09 00:33:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2024-11-09 00:33:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 00:33:47,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:47,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-09 00:33:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 123 states and 140 transitions. [2024-11-09 00:33:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 140 transitions. [2024-11-09 00:33:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 00:33:50,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:33:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2024-11-09 00:33:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2024-11-09 00:33:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 00:33:51,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:51,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:33:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 124 states and 140 transitions. [2024-11-09 00:33:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2024-11-09 00:33:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 00:33:53,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:33:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 126 states and 142 transitions. [2024-11-09 00:33:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2024-11-09 00:33:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 00:33:54,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:54,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:33:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 128 states and 144 transitions. [2024-11-09 00:33:56,824 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 144 transitions. [2024-11-09 00:33:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 00:33:56,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:33:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:59,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 130 states and 146 transitions. [2024-11-09 00:33:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2024-11-09 00:33:59,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 00:33:59,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:34:01,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 132 states and 148 transitions. [2024-11-09 00:34:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2024-11-09 00:34:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 00:34:01,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:01,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:34:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 134 states and 150 transitions. [2024-11-09 00:34:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 150 transitions. [2024-11-09 00:34:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 00:34:04,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:34:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 136 states and 152 transitions. [2024-11-09 00:34:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2024-11-09 00:34:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:34:07,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,392 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-09 00:34:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 138 states and 154 transitions. [2024-11-09 00:34:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 154 transitions. [2024-11-09 00:34:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 00:34:10,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:34:43,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:35:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:35:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:35:14,708 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 00:35:14,712 INFO L158 Benchmark]: Toolchain (without parser) took 202918.80ms. Allocated memory was 140.5MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 99.5MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 00:35:14,712 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:35:14,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1000.65ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 89.5MB in the end (delta: 9.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2024-11-09 00:35:14,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 466.94ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 65.2MB in the end (delta: 24.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-09 00:35:14,715 INFO L158 Benchmark]: Boogie Preprocessor took 387.57ms. Allocated memory was 140.5MB in the beginning and 274.7MB in the end (delta: 134.2MB). Free memory was 65.2MB in the beginning and 194.4MB in the end (delta: -129.3MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-09 00:35:14,715 INFO L158 Benchmark]: RCFGBuilder took 7602.56ms. Allocated memory was 274.7MB in the beginning and 488.6MB in the end (delta: 213.9MB). Free memory was 194.4MB in the beginning and 270.9MB in the end (delta: -76.5MB). Peak memory consumption was 287.4MB. Max. memory is 16.1GB. [2024-11-09 00:35:14,716 INFO L158 Benchmark]: CodeCheck took 193454.83ms. Allocated memory was 488.6MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 270.9MB in the beginning and 1.2GB in the end (delta: -941.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-09 00:35:14,720 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 0.92ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 70.1MB in the end (delta: 26.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1000.65ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 89.5MB in the end (delta: 9.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 466.94ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 65.2MB in the end (delta: 24.3MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 387.57ms. Allocated memory was 140.5MB in the beginning and 274.7MB in the end (delta: 134.2MB). Free memory was 65.2MB in the beginning and 194.4MB in the end (delta: -129.3MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7602.56ms. Allocated memory was 274.7MB in the beginning and 488.6MB in the end (delta: 213.9MB). Free memory was 194.4MB in the beginning and 270.9MB in the end (delta: -76.5MB). Peak memory consumption was 287.4MB. Max. memory is 16.1GB. * CodeCheck took 193454.83ms. Allocated memory was 488.6MB in the beginning and 2.7GB in the end (delta: 2.2GB). Free memory was 270.9MB in the beginning and 1.2GB in the end (delta: -941.6MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:35:14,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:35:17,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:35:17,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:35:17,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:35:17,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:35:17,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:35:17,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:35:17,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:35:17,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:35:17,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:35:17,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:35:17,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:35:17,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:35:17,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:35:17,659 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:35:17,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:35:17,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:35:17,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:35:17,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:35:17,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:35:17,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:35:17,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:35:17,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:35:17,664 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:17,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:35:17,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:35:17,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:35:17,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:35:17,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:35:17,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:35:17,670 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:35:17,670 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:17,671 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:35:17,671 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ae88daffb8285870a38f38e30db5571fe2930110ef63da660dc306a4cb95e3 [2024-11-09 00:35:18,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:35:18,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:35:18,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:35:18,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:35:18,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:35:18,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c Unable to find full path for "g++" [2024-11-09 00:35:20,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:35:20,464 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:35:20,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2024-11-09 00:35:20,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/487ae58db/0dc2424947564e18b80cec58ab0350ae/FLAG9ece076f3 [2024-11-09 00:35:20,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/data/487ae58db/0dc2424947564e18b80cec58ab0350ae [2024-11-09 00:35:20,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:35:20,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:35:20,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:35:20,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:35:20,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:35:20,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:35:20" (1/1) ... [2024-11-09 00:35:20,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ec8cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:20, skipping insertion in model container [2024-11-09 00:35:20,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:35:20" (1/1) ... [2024-11-09 00:35:20,618 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:35:20,884 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2024-11-09 00:35:21,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:35:21,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:35:21,192 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_208cd2c0-4bea-4b70-93f5-fc64533d17d2/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2024-11-09 00:35:21,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:35:21,372 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:35:21,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21 WrapperNode [2024-11-09 00:35:21,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:35:21,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:35:21,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:35:21,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:35:21,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,496 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 948 [2024-11-09 00:35:21,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:35:21,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:35:21,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:35:21,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:35:21,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:35:21,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:35:21,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:35:21,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:35:21,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:35:21" (1/1) ... [2024-11-09 00:35:21,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:35:21,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:35:21,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:35:21,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:35:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:35:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 00:35:21,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:35:21,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:35:21,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:35:21,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:35:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:35:21,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:35:21,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 00:35:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:35:22,028 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:35:22,031 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:35:23,179 INFO L? ?]: Removed 681 outVars from TransFormulas that were not future-live. [2024-11-09 00:35:23,179 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:35:23,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:35:23,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:35:23,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:35:23 BoogieIcfgContainer [2024-11-09 00:35:23,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:35:23,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:35:23,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:35:23,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:35:23,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:35:23" (1/1) ... [2024-11-09 00:35:23,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:35:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-09 00:35:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-09 00:35:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:35:23,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:23,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:23,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:23,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:23,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:35:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:24,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:24,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:24,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:35:24,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:35:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-09 00:35:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-09 00:35:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:35:24,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:24,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:24,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:24,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:24,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:35:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:25,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:25,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:25,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-09 00:35:25,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:35:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-09 00:35:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-09 00:35:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:35:25,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:25,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:25,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:25,471 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:25,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:35:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:26,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:26,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:26,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:35:26,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:35:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-09 00:35:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-09 00:35:26,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:35:26,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:26,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:26,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:26,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:26,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:35:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:27,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:27,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:27,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:35:27,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:27,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-11-09 00:35:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-09 00:35:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:35:27,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:27,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:27,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:27,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:27,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:35:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:28,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:28,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:35:28,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:35:28,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:35:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2024-11-09 00:35:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-09 00:35:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:35:28,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:28,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:28,468 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:28,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:35:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:29,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:29,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:35:29,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:35:29,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:35:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:29,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2024-11-09 00:35:29,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-09 00:35:29,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:35:29,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:29,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:29,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:29,617 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:29,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:35:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:30,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:30,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:35:30,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:35:30,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:35:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:30,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-09 00:35:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-09 00:35:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:35:30,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:30,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:30,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:30,829 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:30,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:35:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:31,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:31,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:35:31,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:35:31,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:35:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-09 00:35:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-09 00:35:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:35:32,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:32,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:32,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:32,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:32,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:35:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:33,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:33,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:35:33,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:35:33,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2024-11-09 00:35:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-11-09 00:35:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:35:33,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:33,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:33,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:33,486 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:33,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:35:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:34,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:34,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:35:34,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:35:34,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:34,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2024-11-09 00:35:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2024-11-09 00:35:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:35:34,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:34,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:34,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:35:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:36,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:35:36,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-09 00:35:37,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:35:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2024-11-09 00:35:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2024-11-09 00:35:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:35:40,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:40,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:40,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:40,740 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:40,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:35:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:42,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:35:42,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2024-11-09 00:35:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2024-11-09 00:35:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:35:43,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:43,134 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:43,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:35:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:44,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:45,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:45,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:35:45,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2024-11-09 00:35:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2024-11-09 00:35:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 00:35:45,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:45,493 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:45,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:35:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:47,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:47,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:47,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-09 00:35:47,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:35:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2024-11-09 00:35:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2024-11-09 00:35:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 00:35:48,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:48,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:48,197 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:48,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:35:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:49,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:50,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:50,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-09 00:35:50,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:35:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2024-11-09 00:35:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2024-11-09 00:35:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:35:50,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:50,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:50,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:50,783 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:50,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:35:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:53,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:53,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:53,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-09 00:35:53,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:35:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2024-11-09 00:35:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2024-11-09 00:35:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 00:35:54,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:54,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:54,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:54,036 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:54,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:35:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:56,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:56,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:56,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-09 00:35:56,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:35:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2024-11-09 00:35:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-11-09 00:35:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 00:35:57,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:57,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:57,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:57,020 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:57,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:35:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:59,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:59,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:59,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 00:36:00,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:36:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2024-11-09 00:36:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-11-09 00:36:00,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 00:36:00,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:00,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:00,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:00,293 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:00,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:36:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:02,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:03,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:36:03,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:03,416 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 00:36:03,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:36:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2024-11-09 00:36:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-11-09 00:36:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 00:36:03,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:03,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:03,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:36:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:06,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:06,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:36:06,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 00:36:07,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:08,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2024-11-09 00:36:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-11-09 00:36:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 00:36:08,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:08,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:08,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:08,049 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:08,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:36:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:10,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:11,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:36:11,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-09 00:36:11,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 00:36:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2024-11-09 00:36:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2024-11-09 00:36:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:36:12,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:12,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:12,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:12,729 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:12,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:36:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:15,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:16,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:36:16,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 00:36:16,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:36:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2024-11-09 00:36:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2024-11-09 00:36:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 00:36:17,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:17,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:17,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:17,253 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:17,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:36:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:20,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:36:20,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:36:21,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:22,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2024-11-09 00:36:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2024-11-09 00:36:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 00:36:22,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:22,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:22,072 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:22,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:36:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:25,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:26,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:36:26,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:36:26,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:36:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 94 transitions. [2024-11-09 00:36:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2024-11-09 00:36:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 00:36:27,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:27,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:27,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:27,171 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:36:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:30,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:31,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:31,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:36:31,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2024-11-09 00:36:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2024-11-09 00:36:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 00:36:32,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:32,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:32,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:32,446 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:36:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:36,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:36,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:36:36,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:36,957 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 00:36:36,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:36:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 80 states and 98 transitions. [2024-11-09 00:36:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2024-11-09 00:36:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:36:37,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:37,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:37,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:37,961 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:37,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:36:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:41,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:42,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:42,604 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 00:36:42,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:36:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-11-09 00:36:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-11-09 00:36:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:36:43,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:43,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:43,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:43,743 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:43,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:36:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:47,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:48,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:36:48,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 00:36:48,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-09 00:36:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-09 00:36:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:36:49,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:49,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:49,691 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:49,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:36:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:36:54,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 00:36:54,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:55,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 86 states and 104 transitions. [2024-11-09 00:36:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2024-11-09 00:36:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:36:55,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:55,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:55,869 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:55,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:37:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:00,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:00,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:37:00,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:01,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 106 transitions. [2024-11-09 00:37:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2024-11-09 00:37:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:37:02,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:02,203 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:02,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:37:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:06,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:07,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:37:07,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:07,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:37:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2024-11-09 00:37:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2024-11-09 00:37:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:37:08,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:08,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:08,954 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:08,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:37:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:13,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:14,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:37:14,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:14,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 110 transitions. [2024-11-09 00:37:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2024-11-09 00:37:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 00:37:15,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:15,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:15,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:15,819 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:15,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:37:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:20,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:21,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:37:21,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:21,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-09 00:37:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-09 00:37:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:37:23,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:23,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:23,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:23,116 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:23,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:37:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:28,208 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:28,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:37:28,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:29,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 114 transitions. [2024-11-09 00:37:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-09 00:37:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 00:37:30,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:30,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:30,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:30,564 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:30,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:37:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:35,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:36,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:37:36,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:37:36,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-09 00:37:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2024-11-09 00:37:37,535 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2024-11-09 00:37:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 00:37:37,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:37,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:37,540 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:37,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:37:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:42,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:43,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:37:43,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-09 00:37:43,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-09 00:37:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 100 states and 117 transitions. [2024-11-09 00:37:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2024-11-09 00:37:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-09 00:37:46,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:46,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:46,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:46,457 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:46,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:37:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:52,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:52,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:37:52,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-09 00:37:52,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-09 00:37:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2024-11-09 00:37:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2024-11-09 00:37:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-09 00:37:55,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:55,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:55,454 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:55,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:38:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:01,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:01,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:38:01,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:02,113 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-09 00:38:02,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 104 states and 121 transitions. [2024-11-09 00:38:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-09 00:38:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 00:38:04,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:04,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:04,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:04,497 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:04,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:38:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:10,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:11,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:38:11,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-09 00:38:11,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:14,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:14,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-11-09 00:38:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-11-09 00:38:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 00:38:14,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:14,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:14,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:14,570 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:38:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:20,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:21,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:38:21,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 00:38:21,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2024-11-09 00:38:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2024-11-09 00:38:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 00:38:23,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:23,897 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:23,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:38:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:30,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:31,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:38:31,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-09 00:38:31,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:33,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 110 states and 127 transitions. [2024-11-09 00:38:33,506 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2024-11-09 00:38:33,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-09 00:38:33,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:33,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:33,511 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:33,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:38:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:40,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:40,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:38:40,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-09 00:38:41,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2024-11-09 00:38:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2024-11-09 00:38:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 00:38:43,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:43,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:43,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:43,202 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:43,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:38:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:50,041 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:50,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:38:50,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-09 00:38:51,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 114 states and 131 transitions. [2024-11-09 00:38:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2024-11-09 00:38:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-09 00:38:53,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:53,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:53,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:53,250 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:53,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:39:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:00,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:00,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:39:00,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-09 00:39:01,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2024-11-09 00:39:03,445 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2024-11-09 00:39:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 00:39:03,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:03,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:03,447 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:03,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:39:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:10,486 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:11,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:39:11,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-09 00:39:11,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:39:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 118 states and 135 transitions. [2024-11-09 00:39:13,877 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2024-11-09 00:39:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 00:39:13,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:13,882 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:13,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:39:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:21,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:21,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:39:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 00:39:22,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-09 00:39:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2024-11-09 00:39:26,273 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2024-11-09 00:39:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 00:39:26,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:26,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:26,275 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:26,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:39:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:33,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:34,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:39:34,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-09 00:39:35,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 138 transitions. [2024-11-09 00:39:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2024-11-09 00:39:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 00:39:38,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:38,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:38,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:38,124 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:38,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:39:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:45,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:46,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:39:46,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-09 00:39:47,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 124 states and 140 transitions. [2024-11-09 00:39:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2024-11-09 00:39:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 00:39:50,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:50,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:50,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:50,756 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:50,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:39:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:59,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:59,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:39:59,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-09 00:40:00,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 126 states and 141 transitions. [2024-11-09 00:40:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2024-11-09 00:40:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-09 00:40:03,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:03,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:03,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:03,612 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:03,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:40:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:12,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:13,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 1329 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:40:13,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 00:40:13,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 128 states and 143 transitions. [2024-11-09 00:40:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 143 transitions. [2024-11-09 00:40:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-09 00:40:16,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:16,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:16,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:16,976 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:16,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:40:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:25,217 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:25,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:40:25,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-09 00:40:26,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:27,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2024-11-09 00:40:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2024-11-09 00:40:27,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 00:40:27,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:27,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:27,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:27,624 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:27,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:40:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:36,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:40:36,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-09 00:40:37,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 132 states and 146 transitions. [2024-11-09 00:40:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2024-11-09 00:40:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-09 00:40:40,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:40,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:40,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:40,551 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:40,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:40:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:49,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:40:49,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-09 00:40:50,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 134 states and 147 transitions. [2024-11-09 00:40:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-09 00:40:51,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-09 00:40:51,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:51,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:51,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:51,427 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:51,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:41:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:00,135 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:00,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:41:00,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-09 00:41:01,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2024-11-09 00:41:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2024-11-09 00:41:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:41:04,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:04,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:04,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:04,455 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:04,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:41:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:13,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:14,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:41:14,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-09 00:41:14,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2024-11-09 00:41:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2024-11-09 00:41:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-09 00:41:16,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:16,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:16,145 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:16,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:41:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:25,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:26,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 00:41:26,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-09 00:41:33,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-09 00:43:26,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 234 states and 268 transitions. [2024-11-09 00:43:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 268 transitions. [2024-11-09 00:43:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-09 00:43:26,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:26,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:26,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:26,976 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:43:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:37,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:38,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-09 00:43:38,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 24 proven. 655 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2024-11-09 00:44:28,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208cd2c0-4bea-4b70-93f5-fc64533d17d2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0