./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.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_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/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_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/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_83678553-89dd-4068-a3ea-6f8b96263f9d/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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:37:23,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:37:23,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:37:24,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:37:24,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:37:24,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:37:24,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:37:24,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:37:24,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:37:24,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:37:24,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:37:24,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:37:24,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:37:24,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:37:24,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:37:24,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:37:24,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:37:24,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:37:24,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:37:24,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:37:24,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:37:24,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:37:24,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:37:24,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:37:24,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:37:24,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:37:24,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:37:24,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:37:24,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:37:24,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:37:24,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:37:24,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:37:24,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:37:24,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:37:24,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:37:24,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:37:24,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:37:24,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:37:24,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:37:24,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:37:24,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:37:24,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:37:24,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:37:24,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:37:24,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:37:24,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:37:24,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:37:24,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:37:24,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:37:24,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:37:24,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:37:24,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:37:24,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:37:24,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:37:24,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:37:24,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:37:24,117 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:37:24,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:37:24,117 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:37:24,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:37:24,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:37:24,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:37:24,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:37:24,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:24,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:37:24,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:37:24,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:37:24,119 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:37:24,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:37:24,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:37:24,120 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_83678553-89dd-4068-a3ea-6f8b96263f9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2021-11-23 00:37:24,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:37:24,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:37:24,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:37:24,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:37:24,414 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:37:24,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2021-11-23 00:37:24,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/data/dc0a62d4b/86a70dfacbd24fb6ab9fb3679de5aae8/FLAG28dd84f9f [2021-11-23 00:37:24,957 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:37:24,957 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2021-11-23 00:37:24,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/data/dc0a62d4b/86a70dfacbd24fb6ab9fb3679de5aae8/FLAG28dd84f9f [2021-11-23 00:37:25,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/data/dc0a62d4b/86a70dfacbd24fb6ab9fb3679de5aae8 [2021-11-23 00:37:25,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:37:25,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:37:25,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:25,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:37:25,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:37:25,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b50499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25, skipping insertion in model container [2021-11-23 00:37:25,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:37:25,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:37:25,573 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_83678553-89dd-4068-a3ea-6f8b96263f9d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2021-11-23 00:37:25,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:25,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:37:25,625 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_83678553-89dd-4068-a3ea-6f8b96263f9d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c[524,537] [2021-11-23 00:37:25,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:37:25,665 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:37:25,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25 WrapperNode [2021-11-23 00:37:25,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:37:25,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:25,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:37:25,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:37:25,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,726 INFO L137 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-11-23 00:37:25,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:37:25,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:37:25,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:37:25,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:37:25,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:37:25,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:37:25,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:37:25,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:37:25,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:25" (1/1) ... [2021-11-23 00:37:25,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:37:25,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:37:25,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:37:25,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83678553-89dd-4068-a3ea-6f8b96263f9d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:37:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:37:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:37:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:37:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:37:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:37:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:37:25,921 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:37:25,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:37:26,113 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:37:26,172 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:37:26,172 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:37:26,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:26 BoogieIcfgContainer [2021-11-23 00:37:26,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:37:26,176 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:37:26,176 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:37:26,190 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:37:26,190 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:26" (1/1) ... [2021-11-23 00:37:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:37:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-23 00:37:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-23 00:37:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:37:26,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,384 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 00:37:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 00:37:26,407 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 00:37:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:26,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,514 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 00:37:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:37:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:37:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:37:26,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:26,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:26,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:37:26,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:26,867 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 00:37:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 00:37:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 00:37:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:37:27,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:27,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:27,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:37:27,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:27,644 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 00:37:34,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2021-11-23 00:37:35,008 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2021-11-23 00:37:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:35,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:35,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:35,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:35,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:41,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:41,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2021-11-23 00:37:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2021-11-23 00:37:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:41,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:41,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:41,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:37:41,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:46,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:53,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2021-11-23 00:37:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2021-11-23 00:37:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:37:53,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:53,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:53,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 00:37:53,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2021-11-23 00:37:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2021-11-23 00:37:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:37:57,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 00:37:57,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:37:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 45 states and 110 transitions. [2021-11-23 00:37:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 110 transitions. [2021-11-23 00:37:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:37:57,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:57,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:57,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:57,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 46 states and 118 transitions. [2021-11-23 00:38:08,954 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 118 transitions. [2021-11-23 00:38:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:08,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:08,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:09,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:38:09,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:20,283 WARN L227 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:38:34,347 WARN L227 SmtUtils]: Spent 13.48s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:38:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:38:58,686 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 00:39:00,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:39:02,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:39:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2021-11-23 00:39:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-23 00:39:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:02,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:02,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:03,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:39:03,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2021-11-23 00:39:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-23 00:39:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:19,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:19,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:20,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:39:20,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2021-11-23 00:39:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-23 00:39:36,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:39:36,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:36,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:36,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:39:36,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:39:50,308 WARN L227 SmtUtils]: Spent 10.69s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:39:58,962 WARN L227 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 50 states and 134 transitions. [2021-11-23 00:40:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 134 transitions. [2021-11-23 00:40:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:01,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:01,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:01,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:40:01,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:01,877 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 00:40:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2021-11-23 00:40:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2021-11-23 00:40:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:06,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:06,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:07,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:07,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 56 states and 157 transitions. [2021-11-23 00:40:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 157 transitions. [2021-11-23 00:40:20,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:20,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:20,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:20,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:20,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:33,646 WARN L227 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 56 states and 157 transitions. [2021-11-23 00:40:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 157 transitions. [2021-11-23 00:40:37,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:37,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:37,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:37,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:40:37,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:37,436 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 00:40:41,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:40:48,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:40:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 60 states and 181 transitions. [2021-11-23 00:40:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 181 transitions. [2021-11-23 00:40:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:48,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:48,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:48,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:48,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:40:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:40:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 60 states and 181 transitions. [2021-11-23 00:40:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 181 transitions. [2021-11-23 00:40:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:59,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:59,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:59,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:40:59,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 61 states and 186 transitions. [2021-11-23 00:41:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 186 transitions. [2021-11-23 00:41:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:15,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:15,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:41:15,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:15,899 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 00:41:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:41:16,658 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:41:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:16,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:16,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:17,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:41:36,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:41:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:41:36,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:41:36,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:36,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:36,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:36,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:48,605 WARN L227 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:41:59,162 WARN L227 SmtUtils]: Spent 7.14s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:05,206 WARN L227 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:42:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:42:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:42:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:42:13,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:13,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:13,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:13,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:42:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:42:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:42:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:42:24,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:24,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:25,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:42:25,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:42:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:42:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:42:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:42:32,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:32,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:32,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:32,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:42:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:42,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:42:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:42:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:42:42,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:42,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:42,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:42,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:00,696 WARN L227 SmtUtils]: Spent 15.04s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:43:09,177 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:43:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:09,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:09,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:09,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:20,930 WARN L227 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:43:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:43:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:26,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:26,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:26,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:38,801 WARN L227 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:43:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:43:46,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:46,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:46,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:46,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:43:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:43:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:43:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:43:56,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:57,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:57,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:11,549 WARN L227 SmtUtils]: Spent 9.88s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:44:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:44:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:44:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:44:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:13,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:13,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:13,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:44:13,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:28,990 WARN L227 SmtUtils]: Spent 10.26s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:44:35,820 WARN L227 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:44:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:44:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:37,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:44:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:44:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:44:37,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:37,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:37,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:37,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:58,370 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:45:16,819 WARN L227 SmtUtils]: Spent 8.69s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:45:22,889 WARN L227 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 22 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:45:29,101 WARN L227 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:45:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:45:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:45:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:45:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:45:29,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:29,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:45:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:45:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:45:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:45:36,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:36,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:37,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:45:37,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:45:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:45:52,345 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:45:52,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:45:52,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:52,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:52,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:52,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:04,254 WARN L227 SmtUtils]: Spent 7.38s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:46:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:46:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:46:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:08,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:08,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:09,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 00:46:09,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:46:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:46:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:18,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:18,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:19,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:19,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:46:27,372 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:46:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:27,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:27,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:27,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:27,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:41,109 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:46:52,730 WARN L227 SmtUtils]: Spent 11.62s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:47:26,963 WARN L227 SmtUtils]: Spent 8.92s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:47:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:28,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:47:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:47:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:47:28,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:28,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:29,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:29,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:47:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:47:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:47:37,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:37,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:37,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:37,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:47:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:47:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:47:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:47:45,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:45,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:46,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:46,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:03,562 WARN L227 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 14 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:48:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:48:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:48:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:48:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:48:03,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:03,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:04,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:48:04,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:48:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:48:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:48:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:48:21,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:21,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:21,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:48:21,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:48:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:30,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:48:30,660 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:48:30,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:48:30,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:30,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:30,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:48:30,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:47,579 WARN L227 SmtUtils]: Spent 10.01s 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 00:49:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:49:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:49:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:04,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:04,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:04,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:04,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:49:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:49:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:12,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:12,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:13,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:13,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2021-11-23 00:49:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2021-11-23 00:49:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:22,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:22,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:22,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:22,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:49:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:49:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:40,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:40,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:41,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:49:41,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:49:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:49:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:49:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:49:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:50,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:49:50,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:04,696 WARN L227 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:50:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:50:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:50:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:50:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:07,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:50:07,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:50:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:50:22,706 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:50:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:22,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:22,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:22,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:50:32,497 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:50:42,507 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:50:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:50:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:50:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:50:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:55,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 00:50:56,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:51:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:51:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:51:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:09,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:09,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:10,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:51:10,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:51:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:51:20,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 64 states and 190 transitions. [2021-11-23 00:51:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 190 transitions. [2021-11-23 00:51:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:51:20,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:20,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:51:21,046 INFO L286 TraceCheckSpWp]: Computing forward predicates...