./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/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_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:36,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:36,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:06:36,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:06:36,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:06:36,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:36,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:36,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:36,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:36,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:36,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:36,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:36,278 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:06:36,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:06:36,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:06:36,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:36,281 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:36,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:36,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:36,282 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:36,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:06:36,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:36,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:36,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:36,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:36,289 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:36,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:36,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:36,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:36,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:36,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:36,291 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:06:36,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:06:36,294 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_4fac024d-6a31-4db5-a375-01187824c25b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 [2024-11-08 23:06:36,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:36,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:36,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:36,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:36,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:36,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c Unable to find full path for "g++" [2024-11-08 23:06:38,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:38,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:38,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2024-11-08 23:06:38,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/61d47782f/d13cbe27b822411196271e45adc5bb7f/FLAG5a54ad281 [2024-11-08 23:06:38,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/61d47782f/d13cbe27b822411196271e45adc5bb7f [2024-11-08 23:06:38,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:38,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:38,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:38,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:38,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:38,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:38" (1/1) ... [2024-11-08 23:06:38,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407bff3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:38, skipping insertion in model container [2024-11-08 23:06:38,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:38" (1/1) ... [2024-11-08 23:06:38,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:39,239 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_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2024-11-08 23:06:39,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:39,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:39,309 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_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2024-11-08 23:06:39,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:39,332 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:39,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39 WrapperNode [2024-11-08 23:06:39,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:39,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:39,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:39,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:39,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,387 INFO L138 Inliner]: procedures = 18, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 254 [2024-11-08 23:06:39,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:39,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:39,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:39,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:39,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:39,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:39,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:39,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:39,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:39" (1/1) ... [2024-11-08 23:06:39,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:39,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:39,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:06:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:06:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:06:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:06:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:06:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:06:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:06:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-08 23:06:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-08 23:06:39,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:39,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:40,179 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:40,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:40,311 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:40,311 INFO L316 CfgBuilder]: Removed 33 assume(true) statements. [2024-11-08 23:06:40,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:40 BoogieIcfgContainer [2024-11-08 23:06:40,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:40,312 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:40,312 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:40,323 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:40,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:40" (1/1) ... [2024-11-08 23:06:40,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:40,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2024-11-08 23:06:40,389 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2024-11-08 23:06:40,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:06:40,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2024-11-08 23:06:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2024-11-08 23:06:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:06:40,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:40,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:40,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:41,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:41,152 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:06:41,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:41 ImpRootNode [2024-11-08 23:06:41,193 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:41,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:41,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:41,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:41,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:40" (3/4) ... [2024-11-08 23:06:41,198 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:41,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:41,200 INFO L158 Benchmark]: Toolchain (without parser) took 2257.46ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 100.3MB in the end (delta: 25.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-08 23:06:41,203 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:41,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.69ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 109.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:41,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.22ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:41,205 INFO L158 Benchmark]: Boogie Preprocessor took 67.91ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:06:41,207 INFO L158 Benchmark]: RCFGBuilder took 855.05ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 65.3MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:41,208 INFO L158 Benchmark]: CodeCheck took 880.59ms. Allocated memory is still 157.3MB. Free memory was 65.3MB in the beginning and 101.2MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:41,208 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 100.3MB in the end (delta: 914.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:41,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 236]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 120. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L231] float x = __VERIFIER_nondet_float(); [L232] float y = -1.0f / 0.0f; [L233] CALL, EXPR __ieee754_hypotf(x, y) [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [ha=251658241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL [L99] COND FALSE !(hb > ha) [L106] a = x [L107] b = y VAL [a=14, b=13, ha=251658241, hb=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [a=12, b=8, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] RET, EXPR __ieee754_hypotf(x, y) [L233] float res = __ieee754_hypotf(x, y); [L235] CALL, EXPR isinf_float(res) [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=3] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); [L235] RET, EXPR isinf_float(res) [L235] COND TRUE !isinf_float(res) [L236] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.69ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 109.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.22ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.91ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 855.05ms. Allocated memory is still 157.3MB. Free memory was 104.5MB in the beginning and 65.3MB in the end (delta: 39.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 880.59ms. Allocated memory is still 157.3MB. Free memory was 65.3MB in the beginning and 101.2MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 157.3MB. Free memory was 101.2MB in the beginning and 100.3MB in the end (delta: 914.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:06:41,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/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_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:44,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:44,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:06:44,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:44,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:44,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:44,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:44,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:44,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:44,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:44,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:06:44,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:06:44,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:44,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:44,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:44,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:44,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:06:44,394 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:06:44,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:44,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:06:44,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:06:44,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:44,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:44,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:44,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:44,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:44,400 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:44,401 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:06:44,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:44,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:44,401 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:44,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:44,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:44,402 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:06:44,402 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:44,403 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:06:44,403 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_4fac024d-6a31-4db5-a375-01187824c25b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38626a16356f67aaf09cedb2585feb986fe72ed23b75358e37f00f94c56ef8f0 [2024-11-08 23:06:44,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:44,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:44,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:44,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:44,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:44,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_1270d.c Unable to find full path for "g++" [2024-11-08 23:06:47,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:47,383 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:47,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c [2024-11-08 23:06:47,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/934882bad/9d2c53d48b4a46938a4eae2b45c641ea/FLAG55b39dc70 [2024-11-08 23:06:47,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/data/934882bad/9d2c53d48b4a46938a4eae2b45c641ea [2024-11-08 23:06:47,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:47,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:47,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:47,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:47,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:47,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e07b774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47, skipping insertion in model container [2024-11-08 23:06:47,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:47,711 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_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2024-11-08 23:06:47,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:47,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:47,840 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_4fac024d-6a31-4db5-a375-01187824c25b/sv-benchmarks/c/float-newlib/float_req_bl_1270d.c[4704,4717] [2024-11-08 23:06:47,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:47,865 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:47,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47 WrapperNode [2024-11-08 23:06:47,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:47,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:47,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:47,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:47,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,934 INFO L138 Inliner]: procedures = 21, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 254 [2024-11-08 23:06:47,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:47,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:47,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:47,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:47,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:47,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:48,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:48,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:48,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:48,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:48,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:48,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:48,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:47" (1/1) ... [2024-11-08 23:06:48,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:48,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:48,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:06:48,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 23:06:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:06:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:06:48,089 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-08 23:06:48,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-08 23:06:48,199 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:48,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:50,945 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:50,945 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:51,072 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:51,072 INFO L316 CfgBuilder]: Removed 32 assume(true) statements. [2024-11-08 23:06:51,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:51 BoogieIcfgContainer [2024-11-08 23:06:51,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:51,073 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:51,073 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:51,085 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:51,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:51" (1/1) ... [2024-11-08 23:06:51,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 125 transitions. [2024-11-08 23:06:51,160 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 125 transitions. [2024-11-08 23:06:51,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:06:51,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:51,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:51,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:51,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:06:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:51,431 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:06:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:51,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:06:51,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:51,506 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:06:51,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:06:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2024-11-08 23:06:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2024-11-08 23:06:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:06:51,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:51,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:51,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:06:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:52,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:06:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:52,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:06:52,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:52,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:06:53,388 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:06:53,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:06:56,328 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:06:56,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:06:59,408 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:06:59,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:06:59,473 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:06:59,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:07:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:01,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:07:06,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:20,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:30,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:07:31,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:07:31,731 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:07:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:07:31,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:31,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:31,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:31,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:07:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:32,209 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:32,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:07:32,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:32,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:07:33,245 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:33,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:07:36,676 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:36,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:07:39,272 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:07:39,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:07:39,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:07:39,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:07:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:40,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:07:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:07:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:07:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:07:40,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:40,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:40,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:07:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:40,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:40,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:07:40,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:40,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:07:41,623 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:41,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:07:44,976 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:44,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:07:47,496 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:07:47,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:07:47,619 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:07:47,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:07:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:48,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:07:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:07:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:07:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:07:48,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:48,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:48,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:48,376 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:48,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:07:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:48,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:48,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:07:48,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:49,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:07:49,872 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:49,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:07:53,480 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:07:53,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:07:58,164 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:07:58,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:07:58,291 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:07:58,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:07:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:58,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:07:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:07:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:07:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:07:59,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:59,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:59,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:59,029 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:59,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:07:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:59,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:59,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:07:59,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:59,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:08:00,466 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:00,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:08:03,397 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:03,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:08:06,470 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:08:06,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:08:06,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:06,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:08:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:07,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:08:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:07,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:08:07,272 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:08:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:07,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:07,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:07,275 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:07,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:08:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:07,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:07,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:08:07,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:07,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:08:08,679 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:08,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:08:12,139 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:12,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:08:16,676 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:08:16,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:08:16,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:16,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:08:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:17,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:08:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:08:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:08:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:17,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:17,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:17,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:17,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:08:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:17,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:17,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:08:17,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:18,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:08:18,905 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:18,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:08:22,002 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:22,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:08:39,563 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:08:39,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:08:39,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:39,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:08:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:40,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:08:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:08:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:08:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:41,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:41,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:41,343 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:41,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:08:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:41,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:41,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:08:41,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:41,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:08:42,702 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:42,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:08:46,114 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:46,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:08:49,372 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:08:49,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:08:49,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:49,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:08:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:50,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:08:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:08:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:08:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:50,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:50,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:50,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:50,210 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:50,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:08:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:50,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:50,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:08:50,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:50,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:08:51,640 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:51,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:08:54,769 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:08:54,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:08:58,698 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:08:58,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:08:58,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:08:58,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:08:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:08:59,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 23:08:59,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:08:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:08:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:59,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:59,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:59,453 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:08:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:59,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:00,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:09:00,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:00,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:00,820 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:00,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:03,875 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:03,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:06,499 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:06,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:06,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:06,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:07,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:07,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:07,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:07,453 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:09:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:07,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:08,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:09:08,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:08,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:08,861 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:08,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:12,358 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:12,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:15,151 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:15,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:15,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:15,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:15,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 23:09:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:15,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:15,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:15,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:15,986 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:15,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:09:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:16,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:16,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:09:16,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:16,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:17,342 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:17,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:20,320 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:20,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:23,580 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:23,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:23,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:23,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:24,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:24,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:24,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:24,370 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:24,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:09:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:24,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:24,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:09:24,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:25,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:25,736 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:25,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:29,029 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:29,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:32,562 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:32,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:32,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:32,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:33,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:33,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:33,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:33,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:33,467 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:33,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:09:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:33,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:34,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:09:34,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:34,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:34,852 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:34,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:37,984 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:37,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:41,857 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:41,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:41,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:41,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:42,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:09:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:42,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:42,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:42,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:42,586 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:42,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:09:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:43,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:43,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:09:43,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:43,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:44,187 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:44,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:47,281 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:47,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:49,594 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:49,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:49,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:49,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:50,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:50,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:50,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:50,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:50,381 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:50,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:09:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:50,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:50,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:09:50,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:51,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:09:51,853 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:51,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:09:55,281 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:09:55,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:09:58,579 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:09:58,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:09:58,698 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:09:58,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:09:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:09:59,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:09:59,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:59,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:09:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:09:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:09:59,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:59,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:59,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:59,417 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:59,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:09:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:59,907 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:59,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:09:59,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:00,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:01,011 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:01,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:04,417 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:04,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:06,896 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:06,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:06,986 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:06,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:07,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 23:10:07,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:07,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:07,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:07,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:07,643 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:07,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:10:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:08,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:08,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:10:08,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:08,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:09,059 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:09,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:12,147 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:12,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:17,069 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:17,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:17,195 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:17,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:17,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:17,777 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:17,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:17,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:17,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:17,780 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:17,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:10:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:18,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:18,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:10:18,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:18,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:19,211 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:19,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:22,919 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:22,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:25,648 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:25,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:25,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:25,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:26,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:26,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:26,496 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:26,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:10:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:27,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:27,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:10:27,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:27,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:28,017 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:28,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:31,155 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:31,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:35,622 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:35,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:35,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:35,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:36,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:36,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:36,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:36,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:36,452 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:10:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:36,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:37,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:10:37,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:37,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:37,960 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:37,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:41,322 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:41,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:44,253 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:44,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:44,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:44,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:45,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 23:10:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:45,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:45,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:45,057 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:45,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:10:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:45,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:45,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:10:45,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:45,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:46,570 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:46,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:49,891 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:49,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:10:54,283 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:10:54,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:10:54,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:10:54,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:10:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:55,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:10:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:10:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:10:55,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:55,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:55,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:55,147 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:55,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:10:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:55,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:55,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:10:55,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:55,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:56,614 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:56,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:10:59,892 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:10:59,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:02,289 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:02,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:02,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:02,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:03,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 23:11:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:03,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:03,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:03,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:03,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:03,075 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:11:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:03,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:03,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:11:03,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:03,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:04,583 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:04,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:07,717 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:07,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:12,392 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:12,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:12,484 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:12,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:13,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:13,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:13,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:13,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:13,179 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:13,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:11:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:13,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:13,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:11:13,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:13,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:14,684 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:14,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:17,880 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:17,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:20,769 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:20,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:20,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:20,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:21,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:21,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:21,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:21,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:21,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:11:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:22,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:22,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:11:22,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:22,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:23,096 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:23,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:26,216 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:26,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:29,835 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:29,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:29,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:29,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:30,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 23:11:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:30,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:30,630 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:30,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:30,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:30,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:30,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:30,634 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:30,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:11:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:31,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:31,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:11:31,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:31,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:32,119 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:32,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:35,596 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:35,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:38,455 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:38,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:38,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:38,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:39,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:11:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:39,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:39,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:39,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:39,239 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:39,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:11:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:39,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:39,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:11:39,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:40,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:40,757 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:40,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:43,854 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:43,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:46,592 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:46,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:46,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:46,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:47,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-08 23:11:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:47,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:47,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:47,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:47,356 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:47,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:11:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:47,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:47,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:11:47,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:48,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:48,868 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:48,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:11:52,047 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:52,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:11:56,032 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:11:56,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:11:56,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:11:56,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:11:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:11:56,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-08 23:11:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:11:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:11:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:11:56,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:56,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:56,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:56,889 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:56,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:11:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:57,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:57,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:11:57,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:57,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:11:58,395 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:11:58,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:01,479 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:01,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:06,650 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:06,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:06,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:06,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:07,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 23:12:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:07,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:07,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:07,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:07,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:07,443 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:07,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:12:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:08,022 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:08,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:12:08,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:08,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:12:09,010 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:09,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:12,091 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:12,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:25,104 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:25,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:25,210 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:25,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:25,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:25,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:25,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:25,767 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:12:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:26,351 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:26,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:12:26,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:26,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:12:27,213 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:27,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:30,168 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:30,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:32,889 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:32,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:33,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:33,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:33,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:33,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:33,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:33,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:33,740 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:33,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:12:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:34,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:34,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:12:34,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:34,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:12:35,277 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:35,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:38,572 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:38,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:42,106 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:42,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:42,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:42,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:42,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:12:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:42,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:42,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:42,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:42,976 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:42,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:12:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:43,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:43,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:12:43,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:43,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:12:44,487 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:44,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:47,588 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:47,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:50,194 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:50,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:50,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:50,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:51,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 23:12:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:51,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:51,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:51,023 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:51,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:12:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:51,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:51,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:12:51,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:51,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:12:52,600 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:52,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:12:55,863 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:12:55,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:12:58,818 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:12:58,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:12:58,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:12:58,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:12:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:59,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-08 23:12:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:12:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:12:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:12:59,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:59,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:59,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:59,598 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:59,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:13:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:00,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:00,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:13:00,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:00,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:01,128 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:01,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:04,158 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:04,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:07,298 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:07,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:07,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:07,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:08,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 23:13:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:08,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:08,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:08,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:08,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:08,152 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:08,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:13:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:08,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:08,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:13:08,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:08,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:09,805 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:09,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:12,775 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:12,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:15,125 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:15,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:15,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:15,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:15,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 23:13:15,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:15,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:15,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:15,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:15,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:15,964 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:15,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:13:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:16,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:16,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:13:16,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:16,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:17,550 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:17,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:20,762 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:20,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:23,416 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:23,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:23,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:23,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:24,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:24,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:24,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:24,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:24,161 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:24,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:13:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:24,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:24,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:13:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:25,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:25,697 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:25,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:28,688 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:28,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:31,170 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:31,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:31,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:31,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:32,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:32,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:32,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:32,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:32,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:32,064 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:32,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:13:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:32,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:32,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:13:32,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:32,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:33,626 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:33,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:36,623 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:36,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:39,918 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:39,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:40,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:40,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:40,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:40,705 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:40,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:40,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:40,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:40,707 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:40,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:13:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:41,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:41,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:13:41,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:41,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:42,320 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:42,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:45,449 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:48,744 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:48,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:48,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:48,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:49,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:49,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 23:13:49,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:49,549 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:49,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:49,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:49,552 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:49,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:13:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:50,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:50,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:13:50,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:50,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:13:51,123 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:51,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:13:54,314 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:13:54,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:13:58,129 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:13:58,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:13:58,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:13:58,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:13:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:58,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-08 23:13:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:13:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:13:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:58,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:58,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:58,859 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:58,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:13:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:59,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:59,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:13:59,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:59,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:00,417 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:00,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:03,542 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:03,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:06,617 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:06,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:06,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:06,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:07,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-08 23:14:07,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:07,455 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:07,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:07,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:07,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:07,458 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:07,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:14:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:08,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:08,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:14:08,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:08,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:09,031 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:09,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:12,083 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:12,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:17,606 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:17,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:17,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:17,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:18,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-08 23:14:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:18,392 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:18,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:18,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:18,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:18,395 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:18,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:14:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:19,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:19,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:14:19,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:19,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:19,970 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:19,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:22,958 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:22,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:26,342 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:26,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:26,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:26,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:27,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:27,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:27,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:27,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:27,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:27,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:27,091 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:27,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:14:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:27,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:27,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:14:27,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:27,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:28,681 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:28,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:31,808 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:31,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:35,175 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:35,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:35,265 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:35,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:35,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:35,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:35,906 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:35,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:14:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:36,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:36,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:14:36,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:36,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:37,548 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:37,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:40,670 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:40,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:43,948 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:43,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:44,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:44,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:44,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:44,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:44,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:44,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:44,857 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:44,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:14:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:45,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:45,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:14:45,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:45,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:46,513 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:46,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:14:49,476 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:49,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:14:54,874 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:14:54,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:14:54,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:14:54,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:14:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:55,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:14:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:14:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:55,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:55,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:55,765 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:55,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:14:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:56,459 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:56,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:14:56,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:56,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:14:57,345 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:14:57,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:00,694 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:00,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:06,564 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:06,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:06,673 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:06,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:07,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:07,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:07,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:07,363 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:07,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:15:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:08,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:08,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:15:08,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:08,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:08,971 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:08,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:12,077 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:12,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:20,531 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:20,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:20,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:20,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:21,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 23:15:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:21,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:21,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:21,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:21,223 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:21,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:15:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:21,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:22,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:15:22,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:22,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:22,832 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:22,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:26,316 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:26,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:30,756 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:30,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:30,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:30,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:31,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 23:15:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:31,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:31,434 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:31,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:15:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:32,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:15:32,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:32,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:33,141 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:33,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:36,050 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:36,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:39,772 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:39,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:39,876 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:39,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:40,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-08 23:15:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:40,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:40,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:40,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:40,501 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:40,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:15:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:41,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:41,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:15:41,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:41,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:42,133 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:42,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:45,166 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:45,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:47,768 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:47,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:47,893 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:47,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:48,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 23:15:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:48,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:48,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:48,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:48,485 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:48,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:15:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:49,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:49,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:15:49,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:49,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:50,119 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:50,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:15:53,159 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:53,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:15:55,368 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:15:55,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:15:55,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:15:55,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:15:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:56,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:15:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:15:56,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:15:56,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:56,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:56,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:56,162 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:56,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:15:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:56,893 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:56,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:15:56,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:57,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:15:57,783 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:15:57,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:00,918 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:00,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:06,299 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:06,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:06,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:06,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:06,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:06,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:06,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:06,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:06,968 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:16:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:07,709 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:07,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:16:07,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:07,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:08,587 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:08,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:11,549 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:11,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:13,825 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:13,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:13,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:13,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:14,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:14,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:14,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:14,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:14,502 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:14,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:16:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:15,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:15,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:16:15,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:15,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:16,248 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:16,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:19,643 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:19,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:22,363 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:22,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:22,489 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:22,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:23,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:23,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:23,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:23,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:23,214 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:23,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:16:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:23,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:24,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:16:24,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:24,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:24,875 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:24,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:27,863 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:27,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:30,565 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:30,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:30,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:30,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:31,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-08 23:16:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:31,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:31,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:31,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:31,264 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:31,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:16:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:32,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:32,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:16:32,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:32,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:33,020 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:33,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:36,114 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:36,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:40,882 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:40,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:41,019 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:41,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:41,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-08 23:16:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:41,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:41,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:41,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:41,599 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:41,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:16:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:42,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:42,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:16:42,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:42,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:43,334 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:43,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:16:46,356 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:46,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:16:56,071 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:16:56,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:16:56,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:16:56,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:16:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:16:56,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 23:16:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:16:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:16:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:16:56,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:56,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:56,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:56,825 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:56,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:16:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:57,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:57,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:16:57,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:57,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:16:58,534 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:16:58,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:02,027 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:02,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:04,550 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:04,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:04,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:04,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:05,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-08 23:17:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:05,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:05,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:05,250 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:17:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:06,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:06,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:17:06,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:06,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:06,925 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:06,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:10,367 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:10,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:14,927 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:14,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:15,053 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:15,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:15,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:15,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:15,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:15,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:15,685 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:17:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:16,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:16,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:17:16,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:16,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:17,417 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:17,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:20,833 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:20,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:24,092 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:24,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:24,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:24,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:24,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:24,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:24,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:24,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:24,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:24,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:24,788 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:24,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:17:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:25,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:25,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:17:25,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:25,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:26,504 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:26,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:29,183 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:29,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:33,752 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:33,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:33,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:33,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:34,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:34,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:34,451 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:34,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:17:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:35,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:35,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:17:35,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:35,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:36,317 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:36,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:39,725 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:39,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:42,176 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:42,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:42,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:42,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:42,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 23:17:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:43,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:43,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:43,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:43,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:43,011 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:17:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:43,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:43,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:17:43,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:44,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:44,708 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:44,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:47,727 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:47,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:17:51,824 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:17:51,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:17:51,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:17:51,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:17:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:52,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 23:17:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:17:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:17:52,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:17:52,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:52,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:52,654 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:52,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:17:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:53,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:53,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:17:53,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:53,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:17:54,430 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:54,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:17:57,778 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:17:57,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:00,391 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:00,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:00,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:00,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:01,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 23:18:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:01,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:01,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:01,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:01,154 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:01,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:18:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:01,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:02,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:18:02,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:02,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:02,955 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:02,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:06,166 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:06,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:15,743 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:15,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:15,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:15,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:16,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:16,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:16,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:16,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:16,486 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:18:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:17,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:17,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:18:17,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:17,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:18,227 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:18,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:21,313 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:21,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:23,842 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:23,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:23,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:23,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:24,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:24,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:24,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:24,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:24,501 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:24,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:18:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:18:25,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:25,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:26,266 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:26,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:29,077 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:29,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:32,127 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:32,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:32,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:32,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:32,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:32,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:32,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:32,863 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:32,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:32,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:32,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:32,866 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:32,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:18:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:33,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:18:33,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:33,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:34,642 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:34,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:37,659 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:37,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:41,366 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:41,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:41,479 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:41,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:42,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 23:18:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:42,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:42,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:42,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:42,249 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:42,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:18:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:43,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:43,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:18:43,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:43,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:44,019 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:44,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:46,993 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:46,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:50,180 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:50,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:50,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:50,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:18:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:50,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:18:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:18:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:18:50,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:50,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:50,800 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:50,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:18:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:51,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:51,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:18:51,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:51,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:18:52,526 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:52,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:18:55,139 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:18:55,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:18:59,424 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:18:59,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:18:59,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:18:59,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:00,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:00,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:00,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:00,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:00,076 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:19:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:00,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:01,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:19:01,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:01,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:01,840 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:01,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:05,001 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:05,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:07,672 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:07,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:07,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:07,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:08,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-08 23:19:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:08,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:08,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:08,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:08,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:08,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:08,493 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:08,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:19:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:09,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:09,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:19:09,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:09,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:10,285 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:10,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:13,195 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:13,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:17,206 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:17,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:17,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:17,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:17,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:17,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:17,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:17,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:17,795 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:17,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:19:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:18,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:18,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:19:18,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:18,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:19,511 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:19,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:22,469 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:22,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:27,883 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:27,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:28,013 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:28,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:28,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:28,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:28,888 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:28,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:19:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:29,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:29,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:19:29,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:30,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:30,727 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:30,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:33,980 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:33,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:38,457 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:38,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:38,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:38,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:39,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:39,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:39,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:39,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:39,244 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:39,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:19:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:40,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:40,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:19:40,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:40,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:41,025 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:41,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:44,056 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:44,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:47,241 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:47,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:47,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:47,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:48,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:48,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 23:19:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:48,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:48,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:48,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:48,056 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:48,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:19:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:19:49,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:49,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:49,925 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:49,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:19:53,615 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:53,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:19:56,773 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:19:56,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:19:56,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:19:56,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:19:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:19:57,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 23:19:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:19:57,610 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:19:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:19:57,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:57,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:57,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:57,613 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:57,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:19:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:58,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:58,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:19:58,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:58,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:19:59,535 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:19:59,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:02,394 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:02,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:20:06,284 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:20:06,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:20:06,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:20:06,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:20:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:07,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 23:20:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:20:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:20:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:20:07,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:07,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:07,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:07,224 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:07,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:20:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:08,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:08,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:20:08,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:08,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:20:09,162 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:09,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:12,174 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:12,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:20:25,782 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:20:25,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:20:25,939 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:20:25,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:20:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:26,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:20:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:20:26,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:20:26,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:26,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:26,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:26,675 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:26,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:20:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:27,696 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:27,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:20:27,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:27,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:20:28,656 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:28,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:31,793 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:31,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:20:34,540 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:20:34,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:20:34,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:20:34,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:20:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:35,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:20:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:20:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:20:35,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:35,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:35,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:35,367 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:35,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:20:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:36,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:36,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:20:36,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:36,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:20:37,357 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:37,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:40,340 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:40,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:20:43,576 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:20:43,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:20:43,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:20:43,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:20:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:44,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:20:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:20:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:20:44,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:44,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:44,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:44,462 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:44,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:20:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:45,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:45,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:20:45,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:45,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:20:46,828 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:46,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:50,489 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:50,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:20:53,699 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:20:53,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:20:53,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:20:53,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:20:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:20:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-08 23:20:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:20:54,554 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:20:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:20:54,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:54,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:54,557 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:20:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:55,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:55,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:20:55,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:55,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:20:56,520 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:56,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:20:59,800 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:20:59,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:21:03,843 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:21:03,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:21:03,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:03,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:21:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:04,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-08 23:21:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:21:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:21:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:21:04,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:04,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:04,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:04,585 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:04,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:21:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:05,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:05,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:21:05,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:05,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:21:06,491 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:21:06,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:21:09,913 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:21:09,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:21:12,837 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:21:12,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:21:12,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:12,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:21:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:13,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:21:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:21:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:21:13,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:13,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:13,621 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:13,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:21:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:14,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:14,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:21:14,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:15,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:21:15,706 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:21:15,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 106 [2024-11-08 23:21:18,860 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-08 23:21:18,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 136 treesize of output 130 [2024-11-08 23:21:21,890 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:21:21,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 67 [2024-11-08 23:21:22,000 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:21:22,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 57 [2024-11-08 23:21:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:21:22,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 23:21:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2024-11-08 23:21:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-08 23:21:22,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:21:22,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:22,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:22,755 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:22,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fac024d-6a31-4db5-a375-01187824c25b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process