./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/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_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/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_d407f6aa-8967-4350-b0f3-de91317509e2/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 d87fab1dc6e9b3b1ef38291e10411689fc961abba4e105f2586cc8da9615d8a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:09:14,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:09:14,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:09:14,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:09:14,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:09:14,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:09:14,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:09:14,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:09:14,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:09:14,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:09:14,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:09:14,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:09:14,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:09:14,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:09:14,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:09:14,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:09:14,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:09:14,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:09:14,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:09:14,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:09:14,811 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:09:14,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:09:14,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:09:14,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:09:14,812 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:09:14,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:09:14,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:09:14,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:14,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:09:14,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:09:14,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:09:14,815 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:09:14,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:09:14,819 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_d407f6aa-8967-4350-b0f3-de91317509e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d87fab1dc6e9b3b1ef38291e10411689fc961abba4e105f2586cc8da9615d8a6 [2024-11-09 00:09:15,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:09:15,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:09:15,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:09:15,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:09:15,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:09:15,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-09 00:09:17,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:09:17,370 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:09:17,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c [2024-11-09 00:09:17,379 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/data/4c1572324/39f1dd95a3444394b41e4bd20f1c319e/FLAGa771aa723 [2024-11-09 00:09:17,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/data/4c1572324/39f1dd95a3444394b41e4bd20f1c319e [2024-11-09 00:09:17,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:09:17,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:09:17,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:17,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:09:17,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:09:17,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ee7db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17, skipping insertion in model container [2024-11-09 00:09:17,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:09:17,684 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_d407f6aa-8967-4350-b0f3-de91317509e2/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[1263,1276] [2024-11-09 00:09:17,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:17,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:09:17,724 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_d407f6aa-8967-4350-b0f3-de91317509e2/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound100.c[1263,1276] [2024-11-09 00:09:17,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:09:17,748 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:09:17,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17 WrapperNode [2024-11-09 00:09:17,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:09:17,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:17,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:09:17,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:09:17,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,781 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-09 00:09:17,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:09:17,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:09:17,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:09:17,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:09:17,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:09:17,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:09:17,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:09:17,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:09:17,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:17" (1/1) ... [2024-11-09 00:09:17,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:09:17,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:09:17,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:09:17,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d407f6aa-8967-4350-b0f3-de91317509e2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:09:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:09:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:09:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:09:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:09:17,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:09:17,952 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:09:18,147 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:09:18,148 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:09:18,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:09:18,226 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:09:18,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:18 BoogieIcfgContainer [2024-11-09 00:09:18,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:09:18,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:09:18,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:09:18,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:09:18,241 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:18" (1/1) ... [2024-11-09 00:09:18,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:09:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:09:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:09:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:09:18,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:18,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:18,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-09 00:09:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-09 00:09:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:09:18,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-09 00:09:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-09 00:09:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:09:18,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:18,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:09:18,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-09 00:09:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-09 00:09:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:09:19,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-09 00:09:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-09 00:09:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:09:19,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-11-09 00:09:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-11-09 00:09:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:09:20,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:20,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:20,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:09:20,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:23,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-09 00:09:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-09 00:09:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:09:25,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:25,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:09:25,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:09:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2024-11-09 00:09:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2024-11-09 00:09:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:09:27,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:27,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:27,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:09:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2024-11-09 00:09:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2024-11-09 00:09:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:09:29,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:29,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:09:29,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:09:49,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:09:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2024-11-09 00:09:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2024-11-09 00:09:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:09:49,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:49,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:09:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:09:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:49,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:09:49,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:10:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 103 transitions. [2024-11-09 00:10:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 103 transitions. [2024-11-09 00:10:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:10:03,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:03,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:10:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 122 transitions. [2024-11-09 00:10:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2024-11-09 00:10:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:10:05,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:05,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:10:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:05,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:10:05,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:10:14,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:10:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 55 states and 124 transitions. [2024-11-09 00:10:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2024-11-09 00:10:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:10:17,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:17,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:10:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 55 states and 123 transitions. [2024-11-09 00:10:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 123 transitions. [2024-11-09 00:10:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:10:18,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:18,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:10:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:18,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:10:18,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:11:05,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.86s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:11:26,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:11:29,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:11:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 59 states and 136 transitions. [2024-11-09 00:11:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 136 transitions. [2024-11-09 00:11:29,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:11:29,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:11:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:29,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:11:29,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:12:13,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:12:25,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:25,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 61 states and 139 transitions. [2024-11-09 00:12:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 139 transitions. [2024-11-09 00:12:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:12:25,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:25,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:12:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:12:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:25,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:12:25,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:12:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 64 states and 150 transitions. [2024-11-09 00:12:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 150 transitions. [2024-11-09 00:12:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:12:46,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:12:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:12:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-11-09 00:12:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-11-09 00:12:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:12:57,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:12:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:12:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:57,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:12:57,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:19,159 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:13:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:13:33,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:13:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 70 states and 176 transitions. [2024-11-09 00:13:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 176 transitions. [2024-11-09 00:13:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:13:44,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:13:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:44,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:13:44,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:14:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 74 states and 181 transitions. [2024-11-09 00:14:29,906 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 181 transitions. [2024-11-09 00:14:29,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:14:29,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:29,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:30,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:14:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 74 states and 180 transitions. [2024-11-09 00:14:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 180 transitions. [2024-11-09 00:14:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:14:31,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:31,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:14:36,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 74 states and 179 transitions. [2024-11-09 00:14:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 179 transitions. [2024-11-09 00:14:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:14:36,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:36,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:36,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 00:14:36,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:15:40,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:16:59,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:18:09,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:18:11,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:18:17,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:18:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 78 states and 195 transitions. [2024-11-09 00:18:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-11-09 00:18:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:18:17,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:17,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:18:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:18:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 82 states and 223 transitions. [2024-11-09 00:18:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 223 transitions. [2024-11-09 00:18:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:18:55,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:18:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:18:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:55,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:18:55,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:19:47,712 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 278 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:19:59,583 WARN L286 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 280 DAG size of output: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:20:27,771 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 278 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:20:35,870 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 280 DAG size of output: 141 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:21:05,427 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 258 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:21:29,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 86 states and 246 transitions. [2024-11-09 00:21:29,365 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 246 transitions. [2024-11-09 00:21:29,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:21:29,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:29,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:21:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:21:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:29,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:21:29,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:22:43,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:22:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 88 states and 251 transitions. [2024-11-09 00:22:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 251 transitions. [2024-11-09 00:22:58,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:22:58,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:23:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 88 states and 250 transitions. [2024-11-09 00:23:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-09 00:23:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:23:03,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:03,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:23:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:04,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 00:23:04,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:23:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 89 states and 251 transitions. [2024-11-09 00:23:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 251 transitions. [2024-11-09 00:23:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:23:55,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:23:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:56,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-09 00:23:56,060 INFO L278 TraceCheckSpWp]: Computing forward predicates...