./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/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_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/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_f7a42d24-959f-4e66-b078-51161660f99c/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 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:38:33,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:38:33,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:38:33,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:38:33,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:38:33,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:38:33,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:38:33,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:38:33,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:38:33,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:38:33,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:38:33,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:38:33,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:38:33,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:38:33,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:38:33,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:38:33,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:38:33,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:38:33,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:38:33,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:38:33,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:38:33,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:38:33,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:38:33,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:38:33,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:38:33,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:38:33,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:38:33,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:33,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:38:33,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:38:33,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:38:33,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:38:33,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:38:33,683 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_f7a42d24-959f-4e66-b078-51161660f99c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf [2024-11-08 19:38:33,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:38:33,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:38:33,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:38:33,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:38:33,993 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:38:33,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c Unable to find full path for "g++" [2024-11-08 19:38:36,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:38:36,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:38:36,284 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c [2024-11-08 19:38:36,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/data/e4ee16337/02174b79716740e6aa44d214a11d3a40/FLAG9242ea91f [2024-11-08 19:38:36,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/data/e4ee16337/02174b79716740e6aa44d214a11d3a40 [2024-11-08 19:38:36,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:38:36,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:38:36,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:36,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:38:36,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:38:36,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45246aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36, skipping insertion in model container [2024-11-08 19:38:36,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:38:36,557 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_f7a42d24-959f-4e66-b078-51161660f99c/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2024-11-08 19:38:36,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:36,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:38:36,616 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_f7a42d24-959f-4e66-b078-51161660f99c/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2024-11-08 19:38:36,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:38:36,651 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:38:36,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36 WrapperNode [2024-11-08 19:38:36,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:38:36,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:36,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:38:36,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:38:36,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,694 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-08 19:38:36,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:38:36,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:38:36,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:38:36,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:38:36,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:38:36,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:38:36,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:38:36,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:38:36,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:38:36" (1/1) ... [2024-11-08 19:38:36,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:38:36,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:38:36,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:38:36,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a42d24-959f-4e66-b078-51161660f99c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:38:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:38:36,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:38:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:38:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:38:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:38:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:38:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:38:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:38:36,948 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:38:36,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:38:37,257 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:38:37,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:38:37,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:38:37,332 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:38:37,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:37 BoogieIcfgContainer [2024-11-08 19:38:37,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:38:37,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:38:37,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:38:37,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:38:37,350 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:38:37" (1/1) ... [2024-11-08 19:38:37,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:38:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-08 19:38:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-08 19:38:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:38:37,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:38:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-08 19:38:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 19:38:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:38:37,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:38:48,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-08 19:38:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 19:38:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:38:48,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:38:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-08 19:38:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-08 19:38:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:38:49,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:49,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:38:49,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:38:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-08 19:38:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-08 19:38:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:38:50,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:50,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:38:50,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:38:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:52,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-08 19:38:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-08 19:38:52,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:38:52,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:52,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:38:52,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:38:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-08 19:38:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-08 19:38:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:38:53,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:53,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:53,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:38:53,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 19:38:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 86 transitions. [2024-11-08 19:38:57,077 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-11-08 19:38:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:38:57,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:57,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:57,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:38:57,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:39:07,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:39:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 92 transitions. [2024-11-08 19:39:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2024-11-08 19:39:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:39:08,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:08,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:08,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 19:39:08,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 19:39:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 96 transitions. [2024-11-08 19:39:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2024-11-08 19:39:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:39:09,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:09,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:09,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:39:09,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 19:39:19,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 99 transitions. [2024-11-08 19:39:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2024-11-08 19:39:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 19:39:19,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:19,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 19:39:26,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:30,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 55 states and 103 transitions. [2024-11-08 19:39:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2024-11-08 19:39:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 19:39:30,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:30,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:39:30,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 19:39:44,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:44,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:44,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 114 transitions. [2024-11-08 19:39:44,385 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions. [2024-11-08 19:39:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 19:39:44,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:44,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:39:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 115 transitions. [2024-11-08 19:39:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2024-11-08 19:39:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 19:39:44,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:44,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:40:18,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:40:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 135 transitions. [2024-11-08 19:40:41,974 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 135 transitions. [2024-11-08 19:40:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 19:40:41,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:41:00,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:41:33,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:41:51,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:41:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 78 states and 161 transitions. [2024-11-08 19:41:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2024-11-08 19:41:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 19:41:57,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:57,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:41:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:42:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 163 transitions. [2024-11-08 19:42:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 163 transitions. [2024-11-08 19:42:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 19:42:01,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:42:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:01,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:42:01,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-08 19:42:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 166 transitions. [2024-11-08 19:42:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 166 transitions. [2024-11-08 19:42:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 19:42:01,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:01,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:42:37,987 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:43:09,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:43:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 86 states and 179 transitions. [2024-11-08 19:43:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2024-11-08 19:43:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 19:43:19,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:19,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:43:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:22,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 87 states and 181 transitions. [2024-11-08 19:43:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2024-11-08 19:43:22,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 19:43:22,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:22,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:22,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:43:22,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 19:43:45,718 WARN L286 SmtUtils]: Spent 16.05s on a formula simplification. DAG size of input: 51 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:43:53,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:44:18,436 WARN L286 SmtUtils]: Spent 22.42s on a formula simplification. DAG size of input: 49 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:44:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:30,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 92 states and 195 transitions. [2024-11-08 19:44:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 195 transitions. [2024-11-08 19:44:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 19:44:30,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:30,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:31,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:44:31,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 19:44:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 93 states and 195 transitions. [2024-11-08 19:44:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 195 transitions. [2024-11-08 19:44:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:44:36,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:36,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:44:36,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-08 19:44:41,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 101 states and 212 transitions. [2024-11-08 19:44:41,854 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 212 transitions. [2024-11-08 19:44:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:44:41,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:41,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:42,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:44:42,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:44:53,151 WARN L286 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 38 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:45:17,768 WARN L286 SmtUtils]: Spent 20.47s on a formula simplification. DAG size of input: 36 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:45:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 109 states and 232 transitions. [2024-11-08 19:45:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 232 transitions. [2024-11-08 19:45:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:45:26,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:26,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:45:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:27,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 19:45:27,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 19:45:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 113 states and 242 transitions. [2024-11-08 19:45:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 242 transitions. [2024-11-08 19:45:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 19:45:43,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:45:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:43,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:45:43,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 19:45:58,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:45:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:09,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:46:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:09,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 117 states and 251 transitions. [2024-11-08 19:46:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 251 transitions. [2024-11-08 19:46:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 19:46:09,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:09,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:09,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:46:09,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 19:46:23,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 121 states and 261 transitions. [2024-11-08 19:46:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 261 transitions. [2024-11-08 19:46:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 19:46:23,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:23,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:23,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:46:23,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 20 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 19:46:25,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 124 states and 267 transitions. [2024-11-08 19:46:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 267 transitions. [2024-11-08 19:46:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 19:46:25,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:25,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 19:46:25,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:27,530 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 19:46:31,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 125 states and 269 transitions. [2024-11-08 19:46:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 269 transitions. [2024-11-08 19:46:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 19:46:31,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 19:46:31,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 43 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-08 19:46:43,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:54,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:56,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:46:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 126 states and 271 transitions. [2024-11-08 19:46:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 271 transitions. [2024-11-08 19:46:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 19:46:56,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:56,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:46:56,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 45 proven. 31 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-08 19:47:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:47:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 127 states and 273 transitions. [2024-11-08 19:47:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 273 transitions. [2024-11-08 19:47:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 19:47:06,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:47:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:06,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:47:06,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-08 19:47:20,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:47:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:21,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 131 states and 279 transitions. [2024-11-08 19:47:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 279 transitions. [2024-11-08 19:47:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 19:47:21,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:47:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:22,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:47:22,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 35 proven. 32 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-08 19:48:23,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:48:33,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:48:43,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:48:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 134 states and 285 transitions. [2024-11-08 19:48:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 285 transitions. [2024-11-08 19:48:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 19:48:43,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:43,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:54,513 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:50:28,702 WARN L286 SmtUtils]: Spent 12.67s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:50:38,269 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:50:48,307 WARN L286 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:51:02,254 WARN L286 SmtUtils]: Spent 13.91s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:51:59,716 WARN L286 SmtUtils]: Spent 23.66s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:52:09,144 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 58 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:52:19,239 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:52:32,468 WARN L286 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 68 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:52:54,688 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:53:14,694 WARN L286 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 48 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:53:24,187 WARN L286 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 48 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)