./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 9f50ec725f2d0539a1605de94af398ab61749c1d8954e8100cb71d8e6cff2c9e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:58:34,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:58:34,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:58:35,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:58:35,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:58:35,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:58:35,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:58:35,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:58:35,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:58:35,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:58:35,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:58:35,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:58:35,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:58:35,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:58:35,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:58:35,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:58:35,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:58:35,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:58:35,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:58:35,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:58:35,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:58:35,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:58:35,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:58:35,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:58:35,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:58:35,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:58:35,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:58:35,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:58:35,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:58:35,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:58:35,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:58:35,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:58:35,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:58:35,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:58:35,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:58:35,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:58:35,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:58:35,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:58:35,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:58:35,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:58:35,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:58:35,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:58:35,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:58:35,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:58:35,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:58:35,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:58:35,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:58:35,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:58:35,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:58:35,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:58:35,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:58:35,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:58:35,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:58:35,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:58:35,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:58:35,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:58:35,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:58:35,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:58:35,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:58:35,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:58:35,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:58:35,119 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:58:35,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:58:35,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:58:35,119 INFO L138 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_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f50ec725f2d0539a1605de94af398ab61749c1d8954e8100cb71d8e6cff2c9e [2021-11-23 00:58:35,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:58:35,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:58:35,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:58:35,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:58:35,430 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:58:35,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2021-11-23 00:58:35,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/data/b3713a4e2/1f7c3231f896486bbd5cf8bf07092f4a/FLAGecb065a71 [2021-11-23 00:58:35,932 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:58:35,932 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c [2021-11-23 00:58:35,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/data/b3713a4e2/1f7c3231f896486bbd5cf8bf07092f4a/FLAGecb065a71 [2021-11-23 00:58:36,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/data/b3713a4e2/1f7c3231f896486bbd5cf8bf07092f4a [2021-11-23 00:58:36,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:58:36,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:58:36,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:58:36,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:58:36,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:58:36,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3f277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36, skipping insertion in model container [2021-11-23 00:58:36,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:58:36,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:58:36,536 WARN L230 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_4925d260-f9cf-47e0-af86-edde57b7f487/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2021-11-23 00:58:36,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:58:36,557 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:58:36,569 WARN L230 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_4925d260-f9cf-47e0-af86-edde57b7f487/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound100.c[525,538] [2021-11-23 00:58:36,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:58:36,588 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:58:36,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36 WrapperNode [2021-11-23 00:58:36,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:58:36,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:58:36,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:58:36,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:58:36,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,622 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-23 00:58:36,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:58:36,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:58:36,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:58:36,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:58:36,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:58:36,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:58:36,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:58:36,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:58:36,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:58:36,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:58:36,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:58:36,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4925d260-f9cf-47e0-af86-edde57b7f487/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:58:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:58:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:58:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:58:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:58:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:58:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:58:36,785 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:58:36,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:58:36,893 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:58:36,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:58:36,905 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:58:36,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:36 BoogieIcfgContainer [2021-11-23 00:58:36,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:58:36,908 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:58:36,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:58:36,919 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:58:36,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:36" (1/1) ... [2021-11-23 00:58:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:58:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:36,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:58:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:58:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:58:36,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:36,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 00:58:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 00:58:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:58:37,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 00:58:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 00:58:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:58:37,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 00:58:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 00:58:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:58:37,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:37,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:58:37,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 00:58:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 00:58:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:58:38,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:38,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:58:38,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:38,713 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:58:38,724 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:58:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:43,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:58:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2021-11-23 00:58:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2021-11-23 00:58:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:58:44,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:44,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:44,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:58:44,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2021-11-23 00:58:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2021-11-23 00:58:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:58:46,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:46,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:46,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:58:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:58:46,109 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:58:46,112 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:58:46,130 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 00:58:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:08,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:59:18,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:00:06,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:00:11,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:00:11,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2021-11-23 01:00:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2021-11-23 01:00:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:00:11,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:11,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:00:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:12,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:53,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:02:03,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:02:07,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:02:17,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:02:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 44 states and 100 transitions. [2021-11-23 01:02:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 100 transitions. [2021-11-23 01:02:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:02:17,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:17,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:17,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:02:17,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:17,707 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:02:17,712 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:02:17,727 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:02:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:03:05,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:03:29,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 23.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:03:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 105 transitions. [2021-11-23 01:03:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 105 transitions. [2021-11-23 01:03:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:03:58,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:58,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:58,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:03:58,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:58,723 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:03:58,736 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:03:58,741 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:04:05,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 105 transitions. [2021-11-23 01:04:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 105 transitions. [2021-11-23 01:04:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:05,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:05,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:05,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:04:05,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:05,346 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:05,351 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:05,358 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:04:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 105 transitions. [2021-11-23 01:04:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 105 transitions. [2021-11-23 01:04:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:04:16,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:16,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:16,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:04:16,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:16,703 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:16,710 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:16,715 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:05:26,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:05:36,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:06:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:14,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:14,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:14,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:14,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:14,483 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:14,486 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:14,491 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:29,470 WARN L227 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:06:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:29,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:29,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:29,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:29,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:29,659 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:29,662 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:29,665 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:36,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:36,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:36,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:36,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:36,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:36,891 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:36,894 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:36,898 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:46,242 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:46,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:46,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:46,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:46,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:46,350 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:46,353 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:46,357 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:54,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:54,251 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:54,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:54,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:54,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:54,338 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:54,342 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:54,346 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:06:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:06:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:06:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:06:55,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:55,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:55,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:06:55,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:55,164 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:55,166 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:06:55,170 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:07:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 48 states and 107 transitions. [2021-11-23 01:07:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2021-11-23 01:07:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:01,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:01,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:01,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:07:01,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:15,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:07:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:17,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:07:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:07:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:17,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:17,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:17,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:17,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:17,915 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:17,919 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:17,923 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:34,863 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:07:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:07:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:07:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:07:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:35,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:35,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:35,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:35,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:35,116 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:35,118 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:35,122 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:56,128 WARN L227 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 13 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:07:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:07:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:07:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:07:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:56,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:56,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:56,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:07:56,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:56,331 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:56,333 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:07:56,355 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:05,382 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:05,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:05,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:05,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:05,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:05,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:05,465 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:05,468 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:05,471 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:09,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:09,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:09,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:09,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:09,775 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:09,777 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:09,780 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:22,754 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:08:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:22,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:22,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:22,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:22,940 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:22,943 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:22,946 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:27,773 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:27,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:27,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:27,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:27,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:27,839 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:27,840 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:27,842 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:36,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:36,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:36,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:36,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:36,827 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:36,828 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:36,833 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:42,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:42,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:42,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:42,682 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:42,685 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:42,689 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:08:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:08:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:08:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:08:53,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:53,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:53,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:08:53,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:54,010 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:54,011 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:08:54,014 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:01,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:01,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:01,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:01,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:01,225 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:01,227 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:01,231 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:06,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:06,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:06,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:06,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:06,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:06,586 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:06,588 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:06,592 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:13,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:13,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:13,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:13,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:13,209 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:13,211 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:13,215 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:30,130 WARN L227 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:09:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:30,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:30,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:30,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:30,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:30,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:30,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:30,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:30,648 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:30,651 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:30,655 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:41,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:41,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:41,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:41,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:41,981 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:41,982 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:41,985 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:09:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:09:53,195 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:09:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:09:53,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:09:53,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:09:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:09:53,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:09:53,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:09:53,285 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:53,288 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:09:53,291 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:01,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:01,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:01,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:01,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:01,712 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:01,715 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:01,718 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:08,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:08,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:08,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:08,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:08,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:08,496 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:08,497 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:08,499 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:20,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:20,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:20,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:20,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:20,128 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:20,130 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:20,135 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:26,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:26,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:26,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:26,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:27,026 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:27,028 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:27,030 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:38,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:38,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:38,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:38,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:38,675 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:38,678 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:38,680 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:43,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:43,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:43,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:43,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:43,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:43,911 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:43,912 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:43,915 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:47,407 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:47,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:47,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:47,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:47,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:47,465 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:47,478 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:47,481 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:49,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:49,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:49,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:49,495 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:49,496 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:49,498 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:56,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:56,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:56,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:10:56,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:56,128 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:56,130 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:56,133 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:10:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:10:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:10:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 01:10:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 01:10:57,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:10:57,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:10:57,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:10:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:10:58,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:10:58,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:10:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:11:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:15,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:15,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:15,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:15,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:15,361 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:15,363 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:15,365 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:34,540 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:11:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:34,983 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:34,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:34,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:34,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:35,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:35,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:35,050 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:35,051 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:35,054 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:36,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:36,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:36,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:36,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:36,956 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:36,958 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:36,960 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:39,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:39,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:39,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:39,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:39,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:39,433 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:39,434 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:39,436 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:51,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:51,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:51,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:51,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:51,179 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:51,181 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:51,184 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:56,427 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:11:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:11:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:11:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:11:56,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:56,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:56,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:11:56,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:11:56,509 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:56,510 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:11:56,513 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:12:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:12:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:05,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:05,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:05,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:12:05,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:05,894 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:05,895 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:05,897 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:12:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:12:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:14,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:14,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:14,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:12:14,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:14,373 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:14,375 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:14,378 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:35,995 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 01:12:36,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:12:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:12:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:36,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:36,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:36,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:12:36,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:36,201 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:36,203 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:36,205 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:12:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:12:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:45,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:45,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:45,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:12:45,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:45,201 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:45,203 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:45,205 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:12:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 01:12:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 01:12:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:50,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:50,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:50,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:12:50,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:50,707 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:50,708 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:12:50,712 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful