./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/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 be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:36:17,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:36:17,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:36:17,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:36:17,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:36:17,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:36:17,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:36:17,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:36:17,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:36:17,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:36:17,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:36:17,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:36:17,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:36:17,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:36:17,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:36:17,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:36:17,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:36:17,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:36:17,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:36:17,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:36:17,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:36:17,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:36:17,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:36:17,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:36:17,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:36:17,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:36:17,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:36:17,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:17,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:36:17,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:36:17,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:36:17,920 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:36:17,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:36:17,921 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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be4e75b70a907f4bb3fe11ead30460ebebe535afde280ea19731f48bb2dd2cd7 [2024-11-08 19:36:18,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:36:18,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:36:18,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:36:18,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:36:18,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:36:18,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-08 19:36:21,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:36:21,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:36:21,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c [2024-11-08 19:36:21,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/data/70ea7722f/7eb401fcdc1149d0a2efa169174ff462/FLAGd57193bd3 [2024-11-08 19:36:21,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/data/70ea7722f/7eb401fcdc1149d0a2efa169174ff462 [2024-11-08 19:36:21,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:36:21,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:36:21,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:21,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:36:21,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:36:21,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e610033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21, skipping insertion in model container [2024-11-08 19:36:21,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:36:21,777 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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[1176,1189] [2024-11-08 19:36:21,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:21,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:36:21,823 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_eb93ae51-e381-4f8a-8b17-892bd8a13eee/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound20.c[1176,1189] [2024-11-08 19:36:21,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:21,849 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:36:21,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21 WrapperNode [2024-11-08 19:36:21,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:21,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:21,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:36:21,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:36:21,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,891 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-08 19:36:21,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:21,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:36:21,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:36:21,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:36:21,903 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:36:21,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:36:21,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:36:21,922 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:36:21,923 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:21" (1/1) ... [2024-11-08 19:36:21,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:21,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:36:21,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:36:21,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb93ae51-e381-4f8a-8b17-892bd8a13eee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:36:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:36:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:36:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:36:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:36:22,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:36:22,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:22,290 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:22,291 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:22,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:22,386 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:36:22,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:22 BoogieIcfgContainer [2024-11-08 19:36:22,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:22,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:22,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:22,403 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:22,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:22" (1/1) ... [2024-11-08 19:36:22,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 19:36:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 19:36:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:36:22,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:22,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:22,745 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 19:36:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 19:36:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 19:36:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:36:22,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:22,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:22,901 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 19:36:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 19:36:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 19:36:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:36:22,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:22,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:23,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:36:23,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:23,365 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 19:36:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 19:36:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 19:36:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:36:23,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:36:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-08 19:36:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-08 19:36:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:36:24,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:24,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:36:24,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:26,058 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 19:36:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2024-11-08 19:36:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2024-11-08 19:36:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:36:27,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:27,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:27,909 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 19:36:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2024-11-08 19:36:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2024-11-08 19:36:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:36:28,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:28,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:36:28,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:29,864 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 19:36:30,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2024-11-08 19:36:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2024-11-08 19:36:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:36:30,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:30,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:36:30,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 19:36:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-08 19:36:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-08 19:36:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:36:32,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:32,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:36:32,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:35,876 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 19:36:44,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:44,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 43 states and 88 transitions. [2024-11-08 19:36:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 88 transitions. [2024-11-08 19:36:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:36:44,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:45,261 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 19:36:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 47 states and 111 transitions. [2024-11-08 19:36:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 111 transitions. [2024-11-08 19:36:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:36:47,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:47,792 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 19:36:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2024-11-08 19:36:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2024-11-08 19:36:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:36:48,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:36:48,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:36:48,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:36:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:37:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 51 states and 121 transitions. [2024-11-08 19:37:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 121 transitions. [2024-11-08 19:37:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:37:02,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:02,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:37:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:02,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 19:37:02,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:08,741 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 19:37:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2024-11-08 19:37:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2024-11-08 19:37:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 19:37:12,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:12,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:37:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:12,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:37:13,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:37:18,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:18,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2024-11-08 19:37:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2024-11-08 19:37:18,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:37:18,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:18,902 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 19:37:26,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 58 states and 152 transitions. [2024-11-08 19:37:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 152 transitions. [2024-11-08 19:37:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:37:26,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:26,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,452 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 19:37:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 59 states and 157 transitions. [2024-11-08 19:37:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 157 transitions. [2024-11-08 19:37:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:37:28,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:37:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:28,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 19:37:28,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:38:07,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:38:10,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:38:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 63 states and 171 transitions. [2024-11-08 19:38:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 171 transitions. [2024-11-08 19:38:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:38:10,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:10,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:10,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:38:10,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:38:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:38:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 66 states and 175 transitions. [2024-11-08 19:38:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 175 transitions. [2024-11-08 19:38:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:38:43,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:38:43,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:38:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:38:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:38:43,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 19:38:43,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:38:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:39:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 68 states and 178 transitions. [2024-11-08 19:39:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 178 transitions. [2024-11-08 19:39:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:02,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:02,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:02,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 19:39:02,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:39:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 69 states and 183 transitions. [2024-11-08 19:39:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 183 transitions. [2024-11-08 19:39:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:17,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:17,731 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 19:39:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 70 states and 183 transitions. [2024-11-08 19:39:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 183 transitions. [2024-11-08 19:39:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:20,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:20,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 19:39:20,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:39:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:50,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 72 states and 186 transitions. [2024-11-08 19:39:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 186 transitions. [2024-11-08 19:39:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:50,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:50,651 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 19:39:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 72 states and 185 transitions. [2024-11-08 19:39:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 185 transitions. [2024-11-08 19:39:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:52,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:52,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:39:52,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:55,705 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 19:40:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:29,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 75 states and 198 transitions. [2024-11-08 19:40:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 198 transitions. [2024-11-08 19:40:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:40:29,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:29,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 19:40:29,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:34,820 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 19:40:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 79 states and 217 transitions. [2024-11-08 19:40:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 217 transitions. [2024-11-08 19:40:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:40:52,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:52,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 19:40:52,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:41:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:43:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 82 states and 222 transitions. [2024-11-08 19:43:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 222 transitions. [2024-11-08 19:43:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:43:33,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:33,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:34,009 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 19:43:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 86 states and 255 transitions. [2024-11-08 19:43:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 255 transitions. [2024-11-08 19:43:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:43:59,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:59,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:00,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 19:44:00,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:44:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 89 states and 291 transitions. [2024-11-08 19:44:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 291 transitions. [2024-11-08 19:44:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:44:24,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:24,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:24,406 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 19:44:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 89 states and 290 transitions. [2024-11-08 19:44:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 290 transitions. [2024-11-08 19:44:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:44:34,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:34,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:34,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 19:44:34,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:45:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 90 states and 295 transitions. [2024-11-08 19:45:21,677 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 295 transitions. [2024-11-08 19:45:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:45:21,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:21,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:45:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:21,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 19:45:21,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:46:33,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:47:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 92 states and 300 transitions. [2024-11-08 19:47:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 300 transitions. [2024-11-08 19:47:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:47:10,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:47:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:10,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 19:47:10,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:45,288 WARN L286 SmtUtils]: Spent 30.11s on a formula simplification. DAG size of input: 37 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:47:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:47:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 93 states and 303 transitions. [2024-11-08 19:47:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 303 transitions. [2024-11-08 19:47:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:47:59,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:59,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:48:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:48:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:00,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 19:48:00,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:49:18,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 19:49:33,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:50:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 95 states and 308 transitions. [2024-11-08 19:50:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 308 transitions. [2024-11-08 19:50:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:50:28,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:28,319 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 19:50:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 95 states and 307 transitions. [2024-11-08 19:50:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 307 transitions. [2024-11-08 19:50:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:50:38,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:38,768 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 19:50:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 96 states and 315 transitions. [2024-11-08 19:50:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 315 transitions. [2024-11-08 19:50:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:50:45,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:50:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:50:46,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 19:50:46,082 INFO L278 TraceCheckSpWp]: Computing forward predicates...