./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.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_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/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_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/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_cc37c126-8996-42ad-87f2-78ff71597ceb/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 a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:17:41,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:17:41,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:17:41,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:17:41,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:17:41,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:17:41,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:17:41,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:17:41,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:17:41,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:17:41,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:17:41,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:17:41,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:17:41,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:17:41,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:17:41,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:17:41,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:17:41,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:17:41,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:17:41,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:17:41,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:17:41,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:17:41,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:17:41,314 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:17:41,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:17:41,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:17:41,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:17:41,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:17:41,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:17:41,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:17:41,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:17:41,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:17:41,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:17:41,319 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_cc37c126-8996-42ad-87f2-78ff71597ceb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 [2024-11-08 22:17:41,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:17:41,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:17:41,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:17:41,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:17:41,733 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:17:41,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 22:17:44,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:17:44,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:17:44,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2024-11-08 22:17:44,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/9b1fae6a9/c4d8d8513247470bb8d430cc737d8e3f/FLAGa9b903f03 [2024-11-08 22:17:44,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/9b1fae6a9/c4d8d8513247470bb8d430cc737d8e3f [2024-11-08 22:17:44,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:17:44,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:17:44,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:17:44,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:17:44,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:17:44,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:17:44" (1/1) ... [2024-11-08 22:17:44,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef63204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:44, skipping insertion in model container [2024-11-08 22:17:44,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:17:44" (1/1) ... [2024-11-08 22:17:44,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:17:45,051 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_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-08 22:17:45,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:17:45,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:17:45,101 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_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-08 22:17:45,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:17:45,130 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:17:45,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45 WrapperNode [2024-11-08 22:17:45,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:17:45,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:17:45,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:17:45,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:17:45,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,177 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 22:17:45,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:17:45,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:17:45,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:17:45,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:17:45,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:17:45,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:17:45,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:17:45,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:17:45,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:17:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:17:45,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:17:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:17:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:17:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:17:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:17:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:17:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:17:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:17:45,393 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:17:45,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:17:45,633 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:17:45,633 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:17:45,686 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:17:45,686 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:17:45,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:17:45 BoogieIcfgContainer [2024-11-08 22:17:45,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:17:45,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:17:45,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:17:45,701 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:17:45,701 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:17:45" (1/1) ... [2024-11-08 22:17:45,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:17:45,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:17:45,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:17:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:17:45,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,041 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 22:17:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:17:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:17:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:17:46,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:46,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,263 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 22:17:46,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 22:17:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 22:17:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:17:46,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:46,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:17:46,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:46,611 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 22:17:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:17:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:17:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:17:47,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:47,565 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 22:17:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 22:17:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 22:17:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:17:48,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:48,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:48,424 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 22:17:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-08 22:17:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-08 22:17:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:17:49,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:49,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:49,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:49,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:49,704 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 22:17:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-08 22:17:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-08 22:17:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:17:50,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:50,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:50,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:17:50,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:50,966 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 22:17:51,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:51,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-08 22:17:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-08 22:17:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:17:51,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:51,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:17:51,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:51,629 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 22:17:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-08 22:17:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-08 22:17:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:17:51,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:51,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:52,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:17:52,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:52,240 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 22:17:56,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:17:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-08 22:17:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-08 22:17:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:17:56,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:56,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:17:56,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:57,010 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 22:17:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-11-08 22:17:57,594 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-08 22:17:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:17:57,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:57,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:57,834 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 22:17:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2024-11-08 22:17:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2024-11-08 22:17:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:17:59,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:59,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:17:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:17:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:59,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:17:59,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:59,270 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 22:18:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-08 22:18:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-08 22:18:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:18:00,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:00,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,411 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 22:18:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2024-11-08 22:18:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-11-08 22:18:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:18:00,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:00,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:00,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:18:00,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:01,037 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 22:18:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2024-11-08 22:18:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2024-11-08 22:18:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:18:04,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:04,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:04,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:18:04,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:04,181 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 22:18:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-11-08 22:18:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-11-08 22:18:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:05,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:05,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:18:05,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:18:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 136 transitions. [2024-11-08 22:18:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 136 transitions. [2024-11-08 22:18:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:07,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:07,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,424 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 22:18:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2024-11-08 22:18:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2024-11-08 22:18:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:09,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:09,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:09,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:18:09,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:09,328 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 22:18:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 72 states and 163 transitions. [2024-11-08 22:18:10,497 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2024-11-08 22:18:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:10,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:10,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:10,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:18:10,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:10,788 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 22:18:12,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 75 states and 166 transitions. [2024-11-08 22:18:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 166 transitions. [2024-11-08 22:18:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:12,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:12,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,413 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 22:18:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 165 transitions. [2024-11-08 22:18:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2024-11-08 22:18:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:12,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:12,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:12,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:18:12,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:12,955 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 22:18:16,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:18:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 77 states and 166 transitions. [2024-11-08 22:18:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 166 transitions. [2024-11-08 22:18:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:18:17,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:17,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,277 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 22:18:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2024-11-08 22:18:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2024-11-08 22:18:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:18:17,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:17,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:17,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:18:17,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:18:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:23,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 87 states and 199 transitions. [2024-11-08 22:18:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 199 transitions. [2024-11-08 22:18:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:18:23,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:23,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:18:23,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:23,655 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 22:18:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2024-11-08 22:18:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2024-11-08 22:18:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:18:25,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:25,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:25,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:18:25,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:26,088 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 22:18:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 93 states and 206 transitions. [2024-11-08 22:18:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 206 transitions. [2024-11-08 22:18:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:18:26,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:26,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:27,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:18:27,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:18:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2024-11-08 22:18:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2024-11-08 22:18:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:28,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:29,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:18:29,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:30,321 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 22:18:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 222 transitions. [2024-11-08 22:18:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 222 transitions. [2024-11-08 22:18:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:32,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:32,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:33,305 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 22:18:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 104 states and 253 transitions. [2024-11-08 22:18:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 253 transitions. [2024-11-08 22:18:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:35,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:35,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:36,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:18:36,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:18:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 107 states and 256 transitions. [2024-11-08 22:18:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 256 transitions. [2024-11-08 22:18:38,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:38,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:38,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:38,605 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 22:18:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:39,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 107 states and 255 transitions. [2024-11-08 22:18:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 255 transitions. [2024-11-08 22:18:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:39,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:39,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:40,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:18:40,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:18:45,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:18:45,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 110 states and 259 transitions. [2024-11-08 22:18:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 259 transitions. [2024-11-08 22:18:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:45,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:45,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:46,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:18:46,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:46,464 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 22:18:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:47,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 112 states and 260 transitions. [2024-11-08 22:18:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 260 transitions. [2024-11-08 22:18:47,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:47,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:47,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:48,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:18:48,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:18:50,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2024-11-08 22:18:50,805 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2024-11-08 22:18:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:50,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:50,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:50,940 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 22:18:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2024-11-08 22:18:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2024-11-08 22:18:51,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:18:51,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:51,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:51,684 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 22:18:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 115 states and 261 transitions. [2024-11-08 22:18:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 261 transitions. [2024-11-08 22:18:52,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:18:52,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:52,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:18:52,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:53,255 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 22:18:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 125 states and 298 transitions. [2024-11-08 22:18:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 298 transitions. [2024-11-08 22:18:59,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:18:59,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:59,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:18:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:18:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:59,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:18:59,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:00,077 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 22:19:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 131 states and 305 transitions. [2024-11-08 22:19:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 305 transitions. [2024-11-08 22:19:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:19:05,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:05,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:05,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:19:05,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:05,385 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 22:19:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 134 states and 308 transitions. [2024-11-08 22:19:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 308 transitions. [2024-11-08 22:19:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:19:06,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:06,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:06,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:19:06,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:06,250 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 22:19:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 135 states and 310 transitions. [2024-11-08 22:19:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 310 transitions. [2024-11-08 22:19:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:19:07,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:07,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:19:07,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:07,631 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 22:19:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 138 states and 314 transitions. [2024-11-08 22:19:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 314 transitions. [2024-11-08 22:19:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:19:10,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:10,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:10,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:19:10,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:10,408 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 22:19:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 140 states and 316 transitions. [2024-11-08 22:19:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 316 transitions. [2024-11-08 22:19:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:11,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:15,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:19:15,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:16,300 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 22:19:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 144 states and 331 transitions. [2024-11-08 22:19:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 331 transitions. [2024-11-08 22:19:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:20,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:23,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:19:23,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:23,603 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 22:19:29,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:19:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 147 states and 335 transitions. [2024-11-08 22:19:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 335 transitions. [2024-11-08 22:19:30,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:30,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:31,526 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 22:19:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 151 states and 373 transitions. [2024-11-08 22:19:35,541 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 373 transitions. [2024-11-08 22:19:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:35,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:39,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:19:39,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 64 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 22:19:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 154 states and 376 transitions. [2024-11-08 22:19:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 376 transitions. [2024-11-08 22:19:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:43,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:43,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:44,090 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 22:19:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 154 states and 375 transitions. [2024-11-08 22:19:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 375 transitions. [2024-11-08 22:19:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:44,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:19:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:47,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:19:47,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:47,730 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 22:19:52,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:19:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 156 states and 376 transitions. [2024-11-08 22:19:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 376 transitions. [2024-11-08 22:19:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 22:19:53,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:19:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:20:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:20:03,599 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 22:20:03,603 INFO L158 Benchmark]: Toolchain (without parser) took 138801.01ms. Allocated memory was 148.9MB in the beginning and 589.3MB in the end (delta: 440.4MB). Free memory was 113.6MB in the beginning and 243.1MB in the end (delta: -129.5MB). Peak memory consumption was 314.9MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,603 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:03,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.65ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 100.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.64ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,605 INFO L158 Benchmark]: Boogie Preprocessor took 27.25ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,606 INFO L158 Benchmark]: RCFGBuilder took 481.02ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 85.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,607 INFO L158 Benchmark]: CodeCheck took 137913.79ms. Allocated memory was 148.9MB in the beginning and 589.3MB in the end (delta: 440.4MB). Free memory was 85.1MB in the beginning and 243.1MB in the end (delta: -158.0MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. [2024-11-08 22:20:03,610 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 0.29ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.0MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.65ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 100.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.64ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 99.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.25ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.02ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 85.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 137913.79ms. Allocated memory was 148.9MB in the beginning and 589.3MB in the end (delta: 440.4MB). Free memory was 85.1MB in the beginning and 243.1MB in the end (delta: -158.0MB). Peak memory consumption was 285.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:20:03,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/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_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/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_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/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_cc37c126-8996-42ad-87f2-78ff71597ceb/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 a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:06,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:06,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:20:06,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:06,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:06,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:06,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:06,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:06,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:06,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:06,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:06,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:06,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:06,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:06,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:06,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:06,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:20:06,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:20:06,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:06,741 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:20:06,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:06,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:06,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:06,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:06,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:06,744 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:06,745 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:06,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:20:06,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:06,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:06,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:06,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:06,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:06,748 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:20:06,748 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:06,748 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:20:06,749 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_cc37c126-8996-42ad-87f2-78ff71597ceb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 [2024-11-08 22:20:07,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:07,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:07,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:07,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:07,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:07,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-08 22:20:09,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:10,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:10,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2024-11-08 22:20:10,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/210bb1641/2680009295a240b7b17c0c9a5d54ef76/FLAG1778804ae [2024-11-08 22:20:10,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/data/210bb1641/2680009295a240b7b17c0c9a5d54ef76 [2024-11-08 22:20:10,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:10,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:10,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:10,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:10,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:10,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e1b028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10, skipping insertion in model container [2024-11-08 22:20:10,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:10,720 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_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-08 22:20:10,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:10,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:10,801 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_cc37c126-8996-42ad-87f2-78ff71597ceb/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-08 22:20:10,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:10,843 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:10,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10 WrapperNode [2024-11-08 22:20:10,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:10,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:10,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:10,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:10,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,892 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 22:20:10,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:10,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:10,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:10,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:10,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:10,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:10,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:10,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:10,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:10" (1/1) ... [2024-11-08 22:20:10,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:10,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:11,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:11,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:20:11,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:20:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:20:11,146 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:11,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:11,864 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:11,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:11,977 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:11,978 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:20:11,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:11 BoogieIcfgContainer [2024-11-08 22:20:11,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:11,979 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:11,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:11,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:11,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:11" (1/1) ... [2024-11-08 22:20:12,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:20:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:20:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:20:12,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:12,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:12,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:12,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:12,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:20:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:12,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:12,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:20:12,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:12,420 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 22:20:12,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:20:12,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:12,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:20:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:20:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:12,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:12,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:12,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:12,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:12,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:20:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:13,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:13,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:20:13,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:13,310 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 22:20:13,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 22:20:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 22:20:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:13,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:13,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:13,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:20:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:14,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:14,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:20:14,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:14,779 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 22:20:14,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 22:20:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 22:20:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:20:18,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:18,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:18,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:18,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:20:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:18,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:18,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:20:18,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:38,141 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 22:20:38,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:10,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:15,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:21:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 22:21:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 22:21:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:21:15,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:15,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:15,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:15,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:15,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:21:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:16,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:17,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:21:17,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:19,682 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 22:21:19,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:04,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:10,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:17,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-08 22:23:17,185 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-08 22:23:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:23:17,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:17,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:17,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:17,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:23:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:18,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:18,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:23:18,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:19,795 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 22:23:19,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:10,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:27,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:27,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-08 22:24:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-08 22:24:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:24:27,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:27,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:27,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:24:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:27,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:28,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:24:28,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:31,786 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 22:24:31,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-08 22:25:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-08 22:25:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:25:57,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:57,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:57,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:57,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:57,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:25:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:59,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:00,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:26:00,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:02,474 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 22:26:02,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:15,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:27:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-08 22:27:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-08 22:27:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:27:42,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:42,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:42,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:42,415 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:27:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:44,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:44,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:27:44,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:45,274 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 22:27:45,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:26,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 97 transitions. [2024-11-08 22:29:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-11-08 22:29:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:29:26,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:26,966 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:26,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:29:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:28,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:28,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:29:28,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:37,179 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 22:29:37,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:30:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 130 transitions. [2024-11-08 22:30:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 130 transitions. [2024-11-08 22:30:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:30:46,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:46,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:46,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:46,444 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:46,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:30:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:47,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:48,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:30:48,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:49,163 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 22:30:49,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:31:08,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2024-11-08 22:31:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-11-08 22:31:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 22:31:08,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:08,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:08,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:08,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:31:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:09,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:09,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:31:09,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:19,001 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 22:31:19,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc37c126-8996-42ad-87f2-78ff71597ceb/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0