./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:02:46,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:02:47,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:02:47,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:02:47,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:02:47,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:02:47,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:02:47,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:02:47,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:02:47,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:02:47,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:02:47,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:02:47,119 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:02:47,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:02:47,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:02:47,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:02:47,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:02:47,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:02:47,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:02:47,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:02:47,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:02:47,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:02:47,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:02:47,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:02:47,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:02:47,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:02:47,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:02:47,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:47,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:02:47,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:02:47,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:02:47,129 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:02:47,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:02:47,130 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-08 23:02:47,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:02:47,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:02:47,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:02:47,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:02:47,444 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:02:47,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-08 23:02:49,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:02:49,650 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:02:49,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-08 23:02:49,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/4cc502be7/661861fd1ea048ea94d60fca69b8a9d1/FLAG982633b74 [2024-11-08 23:02:50,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/4cc502be7/661861fd1ea048ea94d60fca69b8a9d1 [2024-11-08 23:02:50,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:02:50,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:02:50,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:50,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:02:50,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:02:50,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ccb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50, skipping insertion in model container [2024-11-08 23:02:50,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:02:50,244 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-08 23:02:50,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:50,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:02:50,288 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-08 23:02:50,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:50,312 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:02:50,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50 WrapperNode [2024-11-08 23:02:50,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:50,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:50,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:02:50,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:02:50,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,352 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 23:02:50,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:50,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:02:50,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:02:50,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:02:50,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:02:50,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:02:50,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:02:50,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:02:50,374 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:02:50,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:02:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:02:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:02:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:02:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:02:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:02:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:02:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:02:50,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:02:50,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:02:50,634 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:02:50,634 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:02:50,683 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:02:50,683 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:02:50,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:50 BoogieIcfgContainer [2024-11-08 23:02:50,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:02:50,685 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:02:50,685 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:02:50,697 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:02:50,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:50" (1/1) ... [2024-11-08 23:02:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:02:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:02:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:02:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:02:50,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:50,937 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 23:02:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:02:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:02:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:02:50,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:50,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:51,078 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 23:02:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:02:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:02:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:02:51,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:51,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:51,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:02:51,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:51,351 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 23:02:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:02:51,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:02:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:02:51,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 23:02:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 23:02:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:02:52,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:52,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:52,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:02:52,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:56,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:02:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-08 23:02:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-08 23:02:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:02:56,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:56,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-08 23:02:57,308 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-08 23:02:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:02:57,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:57,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:02:57,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-08 23:02:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-08 23:02:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:02:57,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:57,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:57,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:02:57,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:02:57,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-08 23:02:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-08 23:02:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:02:57,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:57,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:02:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:58,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:02:58,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:01,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:03:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-11-08 23:03:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-08 23:03:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:03:01,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:02,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2024-11-08 23:03:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-11-08 23:03:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:03:02,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:02,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:02,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:03:02,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:03:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-08 23:03:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-08 23:03:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:03:03,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:03,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:03:03,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:06,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:03:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-08 23:03:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-08 23:03:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:03:07,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:07,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:03:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-08 23:03:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-08 23:03:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:03:07,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:07,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:03:07,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2024-11-08 23:03:09,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2024-11-08 23:03:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:03:09,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:09,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:03:09,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2024-11-08 23:03:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-11-08 23:03:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:10,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:10,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:10,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:03:10,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 127 transitions. [2024-11-08 23:03:11,991 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 127 transitions. [2024-11-08 23:03:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:11,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:12,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:03:12,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:15,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:03:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2024-11-08 23:03:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2024-11-08 23:03:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:15,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:15,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 149 transitions. [2024-11-08 23:03:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 149 transitions. [2024-11-08 23:03:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:17,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:17,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:03:17,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2024-11-08 23:03:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2024-11-08 23:03:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:17,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2024-11-08 23:03:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2024-11-08 23:03:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:18,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:18,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:18,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:03:18,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:03:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2024-11-08 23:03:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2024-11-08 23:03:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:03:19,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 73 states and 149 transitions. [2024-11-08 23:03:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-11-08 23:03:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:03:19,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:19,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:03:19,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 83 states and 181 transitions. [2024-11-08 23:03:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 181 transitions. [2024-11-08 23:03:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:03:23,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:23,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:03:23,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 87 states and 184 transitions. [2024-11-08 23:03:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 184 transitions. [2024-11-08 23:03:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:03:24,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:24,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:25,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:03:25,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 186 transitions. [2024-11-08 23:03:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 186 transitions. [2024-11-08 23:03:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:25,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:26,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:26,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:03:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 93 states and 200 transitions. [2024-11-08 23:03:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 200 transitions. [2024-11-08 23:03:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:28,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:28,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:29,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:03:29,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:03:33,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:03:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 201 transitions. [2024-11-08 23:03:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 201 transitions. [2024-11-08 23:03:34,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:34,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:34,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:35,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:35,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:35,911 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:03:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 97 states and 202 transitions. [2024-11-08 23:03:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 202 transitions. [2024-11-08 23:03:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:36,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:36,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:38,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:03:38,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:03:42,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:03:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 99 states and 203 transitions. [2024-11-08 23:03:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2024-11-08 23:03:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:42,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 103 states and 230 transitions. [2024-11-08 23:03:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 230 transitions. [2024-11-08 23:03:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:44,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:03:45,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:03:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 105 states and 231 transitions. [2024-11-08 23:03:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 231 transitions. [2024-11-08 23:03:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:47,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:47,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 105 states and 230 transitions. [2024-11-08 23:03:48,360 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 230 transitions. [2024-11-08 23:03:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:48,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:48,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 105 states and 229 transitions. [2024-11-08 23:03:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 229 transitions. [2024-11-08 23:03:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:03:49,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:49,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:03:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 105 states and 228 transitions. [2024-11-08 23:03:49,593 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 228 transitions. [2024-11-08 23:03:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:03:49,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:49,653 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:49,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:03:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2024-11-08 23:03:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2024-11-08 23:03:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:03:55,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:55,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:03:55,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:03:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 117 states and 266 transitions. [2024-11-08 23:03:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 266 transitions. [2024-11-08 23:03:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:03:56,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:56,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:56,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:03:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 119 states and 267 transitions. [2024-11-08 23:03:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 267 transitions. [2024-11-08 23:03:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:03:57,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:57,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:57,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:57,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:57,976 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:03:58,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 121 states and 269 transitions. [2024-11-08 23:03:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 269 transitions. [2024-11-08 23:03:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:03:58,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:58,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:03:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:03:59,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:03:59,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:03:59,101 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 123 states and 271 transitions. [2024-11-08 23:04:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 271 transitions. [2024-11-08 23:04:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:04:00,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:00,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:00,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:04:00,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 125 states and 272 transitions. [2024-11-08 23:04:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 272 transitions. [2024-11-08 23:04:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:01,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:01,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:03,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:04:03,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:04:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 129 states and 288 transitions. [2024-11-08 23:04:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 288 transitions. [2024-11-08 23:04:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:05,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:05,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:09,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 23:04:09,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 22 proven. 61 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:04:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 131 states and 289 transitions. [2024-11-08 23:04:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 289 transitions. [2024-11-08 23:04:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:11,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:11,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:15,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:04:15,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:04:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 133 states and 290 transitions. [2024-11-08 23:04:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 290 transitions. [2024-11-08 23:04:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:16,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:16,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:19,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:04:19,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:04:23,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:04:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 135 states and 291 transitions. [2024-11-08 23:04:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 291 transitions. [2024-11-08 23:04:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:24,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:25,042 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 139 states and 324 transitions. [2024-11-08 23:04:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 324 transitions. [2024-11-08 23:04:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:26,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:30,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:04:30,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:04:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 141 states and 325 transitions. [2024-11-08 23:04:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 325 transitions. [2024-11-08 23:04:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:32,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:32,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:35,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:04:35,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:04:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 143 states and 326 transitions. [2024-11-08 23:04:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 326 transitions. [2024-11-08 23:04:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:37,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:37,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 143 states and 325 transitions. [2024-11-08 23:04:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 325 transitions. [2024-11-08 23:04:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:37,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:38,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 143 states and 324 transitions. [2024-11-08 23:04:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 324 transitions. [2024-11-08 23:04:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:38,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 143 states and 323 transitions. [2024-11-08 23:04:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 323 transitions. [2024-11-08 23:04:39,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:04:39,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:39,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:04:39,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 143 states and 322 transitions. [2024-11-08 23:04:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 322 transitions. [2024-11-08 23:04:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:39,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:39,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:39,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:04:39,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:04:46,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 153 states and 362 transitions. [2024-11-08 23:04:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 362 transitions. [2024-11-08 23:04:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:46,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:46,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:46,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:04:46,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:04:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 155 states and 364 transitions. [2024-11-08 23:04:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 364 transitions. [2024-11-08 23:04:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:48,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:48,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:04:48,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:04:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 157 states and 366 transitions. [2024-11-08 23:04:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 366 transitions. [2024-11-08 23:04:49,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:49,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:49,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:04:49,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:04:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 159 states and 368 transitions. [2024-11-08 23:04:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 368 transitions. [2024-11-08 23:04:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:50,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:50,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:04:50,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-08 23:04:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 161 states and 370 transitions. [2024-11-08 23:04:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 370 transitions. [2024-11-08 23:04:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:52,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:52,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:04:52,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:04:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 163 states and 371 transitions. [2024-11-08 23:04:54,005 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 371 transitions. [2024-11-08 23:04:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:54,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:54,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:04:54,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:04:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 165 states and 372 transitions. [2024-11-08 23:04:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 372 transitions. [2024-11-08 23:04:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:04:55,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:55,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:55,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:04:55,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:04:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 167 states and 373 transitions. [2024-11-08 23:04:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 373 transitions. [2024-11-08 23:04:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:04:56,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:05:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:05:07,027 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:05:07,031 INFO L158 Benchmark]: Toolchain (without parser) took 136994.99ms. Allocated memory was 134.2MB in the beginning and 589.3MB in the end (delta: 455.1MB). Free memory was 97.5MB in the beginning and 242.6MB in the end (delta: -145.1MB). Peak memory consumption was 313.0MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,031 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:05:07,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.49ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 85.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.80ms. Allocated memory is still 134.2MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,033 INFO L158 Benchmark]: Boogie Preprocessor took 19.92ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,034 INFO L158 Benchmark]: RCFGBuilder took 310.80ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 69.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,034 INFO L158 Benchmark]: CodeCheck took 136345.23ms. Allocated memory was 134.2MB in the beginning and 589.3MB in the end (delta: 455.1MB). Free memory was 69.6MB in the beginning and 242.6MB in the end (delta: -172.9MB). Peak memory consumption was 283.7MB. Max. memory is 16.1GB. [2024-11-08 23:05:07,037 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.49ms. Allocated memory is still 134.2MB. Free memory was 97.5MB in the beginning and 85.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.80ms. Allocated memory is still 134.2MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.92ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 82.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.80ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 69.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 136345.23ms. Allocated memory was 134.2MB in the beginning and 589.3MB in the end (delta: 455.1MB). Free memory was 69.6MB in the beginning and 242.6MB in the end (delta: -172.9MB). Peak memory consumption was 283.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:05:07,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:05:09,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:05:09,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:05:09,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:05:09,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:05:09,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:05:09,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:05:09,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:05:09,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:05:09,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:05:09,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:05:09,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:05:09,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:05:09,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:05:09,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:05:09,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:05:09,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:05:09,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:05:09,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:05:09,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:05:09,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:05:09,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:05:09,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:05:09,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:05:09,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:05:09,782 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:05:09,783 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:09,783 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:05:09,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:05:09,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:09,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:05:09,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:05:09,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:05:09,786 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:05:09,787 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:09,787 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:05:09,787 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2024-11-08 23:05:10,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:05:10,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:05:10,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:05:10,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:05:10,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:05:10,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-08 23:05:12,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:05:12,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:05:12,716 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2024-11-08 23:05:12,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/aeb5993e6/7e4ab967033d401db44b5358b26b5ce7/FLAGb21d7abb3 [2024-11-08 23:05:12,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/data/aeb5993e6/7e4ab967033d401db44b5358b26b5ce7 [2024-11-08 23:05:12,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:05:12,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:05:12,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:12,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:05:12,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:05:12,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:12" (1/1) ... [2024-11-08 23:05:12,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b260553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:12, skipping insertion in model container [2024-11-08 23:05:12,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:05:12" (1/1) ... [2024-11-08 23:05:12,797 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:05:13,059 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-08 23:05:13,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:13,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:05:13,122 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_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2024-11-08 23:05:13,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:05:13,159 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:05:13,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13 WrapperNode [2024-11-08 23:05:13,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:05:13,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:13,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:05:13,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:05:13,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,200 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 23:05:13,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:05:13,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:05:13,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:05:13,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:05:13,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:05:13,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:05:13,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:05:13,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:05:13,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:05:13" (1/1) ... [2024-11-08 23:05:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:05:13,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:05:13,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:05:13,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:05:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:05:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:05:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:05:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:05:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:05:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:05:13,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:05:13,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:05:13,971 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:05:13,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:05:14,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:05:14,075 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:05:14,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:14 BoogieIcfgContainer [2024-11-08 23:05:14,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:05:14,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:05:14,079 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:05:14,091 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:05:14,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:05:14" (1/1) ... [2024-11-08 23:05:14,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:05:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:05:14,193 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:05:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:05:14,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:14,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:14,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:05:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:14,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:14,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:05:14,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:14,574 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 23:05:14,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:05:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:05:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:05:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:05:14,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:14,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:14,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:14,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:05:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:15,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:15,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:05:15,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:15,379 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 23:05:15,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:15,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:05:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:05:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:05:15,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:15,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:15,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:15,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:15,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:05:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:16,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:16,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:05:16,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:16,677 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 23:05:16,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:05:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:05:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:05:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:05:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:05:20,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:05:20,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:05:20,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:05:20,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:05:20,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:05:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:21,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:05:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:05:21,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:05:21,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:38,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:06:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 23:06:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 23:06:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:06:08,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:08,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:08,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:08,091 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:08,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:06:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:08,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:06:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:06:09,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:06:09,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:06:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:06:11,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:07:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:07:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-08 23:07:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-08 23:07:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:07:37,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:07:37,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:07:37,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:07:37,098 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:07:37,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:07:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:37,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:07:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:07:38,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:07:38,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:07:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:07:39,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:08:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:08:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-08 23:08:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-08 23:08:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:08:35,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:08:35,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:08:35,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:08:35,489 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:08:35,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:08:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:36,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:08:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:08:36,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:08:36,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:08:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:08:39,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:09:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:09:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-08 23:09:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-08 23:09:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:09:42,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:09:42,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:09:42,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:09:42,317 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:09:42,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:09:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:43,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:09:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:09:44,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:09:44,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:09:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:09:46,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:10:40,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:11:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-08 23:11:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-08 23:11:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:11:00,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:11:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:11:00,325 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:11:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:11:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:01,756 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:11:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:02,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:11:02,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:11:02,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:11:56,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:12:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 97 transitions. [2024-11-08 23:12:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-11-08 23:12:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:12:09,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:09,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:12:09,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:12:09,017 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:12:09,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:12:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:10,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:12:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:10,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:12:10,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:12:16,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:13:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 130 transitions. [2024-11-08 23:13:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 130 transitions. [2024-11-08 23:13:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:13:11,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:11,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:11,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:11,847 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:11,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:13:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:13,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:13,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:13:13,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:13:14,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:13:30,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2024-11-08 23:13:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-11-08 23:13:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:13:30,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:13:30,822 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:13:30,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:13:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:31,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:13:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:32,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:13:32,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:13:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:13:40,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 67 states and 169 transitions. [2024-11-08 23:16:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 169 transitions. [2024-11-08 23:16:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:16:07,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:07,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:07,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:07,006 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:07,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:16:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:08,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:09,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:16:09,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:16:13,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3bf24ad-7bf8-4e0f-814e-9a8915e7c165/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:38,867 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:17:16,963 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)