./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.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_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/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_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/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_1bf7b8fc-9bc7-496e-ae05-38c106587def/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 64261cdf4de80f70fe2d4ad7338f6b0821a851ad9c048667535af1ece80ec49c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:24:40,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:24:40,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:24:40,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:24:40,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:24:40,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:24:40,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:24:40,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:24:40,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:24:40,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:24:40,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:24:40,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:24:40,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:24:40,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:24:40,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:24:41,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:24:41,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:24:41,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:24:41,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:24:41,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:24:41,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:24:41,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:24:41,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:24:41,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:24:41,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:24:41,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:24:41,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:24:41,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:24:41,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:24:41,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:24:41,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:24:41,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:24:41,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:24:41,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:24:41,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:24:41,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:24:41,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:24:41,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:24:41,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:24:41,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:24:41,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:24:41,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:24:41,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:24:41,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:24:41,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:24:41,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:24:41,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:24:41,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:24:41,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:24:41,073 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:24:41,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:24:41,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:24:41,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:24:41,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:24:41,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:24:41,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:24:41,080 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:24:41,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:24:41,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:24:41,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:24:41,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:24:41,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:24:41,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:24:41,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:41,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:24:41,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:24:41,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:24:41,082 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:24:41,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:24:41,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:24:41,082 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64261cdf4de80f70fe2d4ad7338f6b0821a851ad9c048667535af1ece80ec49c [2021-11-23 00:24:41,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:24:41,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:24:41,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:24:41,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:24:41,332 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:24:41,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c [2021-11-23 00:24:41,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/3d024e8af/9ea5acffe35947df844640cec8945c25/FLAGd1777a7ea [2021-11-23 00:24:41,785 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:24:41,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c [2021-11-23 00:24:41,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/3d024e8af/9ea5acffe35947df844640cec8945c25/FLAGd1777a7ea [2021-11-23 00:24:42,189 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/3d024e8af/9ea5acffe35947df844640cec8945c25 [2021-11-23 00:24:42,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:24:42,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:24:42,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:42,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:24:42,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:24:42,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a53ea49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42, skipping insertion in model container [2021-11-23 00:24:42,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:24:42,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:42,360 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c[537,550] [2021-11-23 00:24:42,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:42,385 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:24:42,397 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c[537,550] [2021-11-23 00:24:42,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:42,418 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:24:42,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42 WrapperNode [2021-11-23 00:24:42,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:42,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:42,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:24:42,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:24:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,451 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 00:24:42,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:42,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:24:42,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:24:42,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:24:42,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:24:42,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:24:42,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:24:42,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:24:42,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:42,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:24:42,504 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:24:42,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:24:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:24:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:24:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:24:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:24:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:24:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:24:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:24:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:24:42,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:24:42,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:24:42,703 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:24:42,728 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:24:42,728 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:24:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:42 BoogieIcfgContainer [2021-11-23 00:24:42,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:24:42,731 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:24:42,731 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:24:42,740 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:24:42,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:42" (1/1) ... [2021-11-23 00:24:42,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:24:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-23 00:24:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-23 00:24:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:24:42,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:42,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:24:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2021-11-23 00:24:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-23 00:24:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:43,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:24:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2021-11-23 00:24:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2021-11-23 00:24:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:24:43,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:24:43,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:24:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2021-11-23 00:24:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2021-11-23 00:24:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:24:44,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:44,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:44,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:24:44,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:24:55,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:25:05,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:25:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:06,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2021-11-23 00:25:06,369 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2021-11-23 00:25:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:06,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:06,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:06,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:06,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2021-11-23 00:25:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2021-11-23 00:25:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:06,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:06,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:06,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:06,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2021-11-23 00:25:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2021-11-23 00:25:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:07,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:07,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:07,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:07,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2021-11-23 00:25:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2021-11-23 00:25:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:07,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:07,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:07,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2021-11-23 00:25:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-23 00:25:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:07,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:07,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:07,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-11-23 00:25:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-11-23 00:25:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:07,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:07,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:08,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2021-11-23 00:25:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2021-11-23 00:25:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:08,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:08,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2021-11-23 00:25:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2021-11-23 00:25:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:08,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:08,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2021-11-23 00:25:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2021-11-23 00:25:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:08,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:08,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:08,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:08,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:09,181 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2021-11-23 00:25:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2021-11-23 00:25:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:09,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:09,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:09,478 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2021-11-23 00:25:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2021-11-23 00:25:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:09,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:09,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2021-11-23 00:25:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2021-11-23 00:25:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:09,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:09,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:09,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:09,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-23 00:25:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-23 00:25:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:10,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:10,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2021-11-23 00:25:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2021-11-23 00:25:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:10,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:10,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2021-11-23 00:25:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2021-11-23 00:25:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:10,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:10,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2021-11-23 00:25:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2021-11-23 00:25:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:10,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:10,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:10,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:10,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2021-11-23 00:25:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2021-11-23 00:25:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:11,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:11,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2021-11-23 00:25:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2021-11-23 00:25:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:11,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:11,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 65 states and 101 transitions. [2021-11-23 00:25:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2021-11-23 00:25:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:11,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:11,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 66 states and 102 transitions. [2021-11-23 00:25:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2021-11-23 00:25:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:11,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:11,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:11,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:11,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2021-11-23 00:25:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2021-11-23 00:25:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:12,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2021-11-23 00:25:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2021-11-23 00:25:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:12,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:12,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 105 transitions. [2021-11-23 00:25:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2021-11-23 00:25:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:12,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:12,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2021-11-23 00:25:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2021-11-23 00:25:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:12,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:12,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:12,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:12,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 107 transitions. [2021-11-23 00:25:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2021-11-23 00:25:13,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:13,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:13,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2021-11-23 00:25:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2021-11-23 00:25:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:13,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:13,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2021-11-23 00:25:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2021-11-23 00:25:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:13,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:13,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2021-11-23 00:25:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2021-11-23 00:25:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:13,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:13,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:13,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:13,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:14,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2021-11-23 00:25:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-11-23 00:25:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:14,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:14,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 76 states and 112 transitions. [2021-11-23 00:25:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2021-11-23 00:25:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:14,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:14,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:14,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2021-11-23 00:25:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2021-11-23 00:25:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:14,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:14,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2021-11-23 00:25:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-11-23 00:25:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:14,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:14,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:14,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:14,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 115 transitions. [2021-11-23 00:25:15,099 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2021-11-23 00:25:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:15,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:15,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:15,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2021-11-23 00:25:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2021-11-23 00:25:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:15,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:15,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2021-11-23 00:25:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2021-11-23 00:25:15,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:15,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:15,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:15,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2021-11-23 00:25:15,831 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2021-11-23 00:25:15,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:15,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:15,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:15,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:15,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2021-11-23 00:25:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2021-11-23 00:25:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:16,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:16,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2021-11-23 00:25:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2021-11-23 00:25:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:16,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:16,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:16,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2021-11-23 00:25:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2021-11-23 00:25:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:16,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:16,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-11-23 00:25:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-11-23 00:25:16,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:16,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:16,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:16,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:16,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2021-11-23 00:25:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2021-11-23 00:25:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:17,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 88 states and 124 transitions. [2021-11-23 00:25:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2021-11-23 00:25:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:17,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:17,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2021-11-23 00:25:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2021-11-23 00:25:17,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:17,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:17,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2021-11-23 00:25:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2021-11-23 00:25:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:17,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:17,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:17,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:17,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 91 states and 127 transitions. [2021-11-23 00:25:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2021-11-23 00:25:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:18,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:18,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 128 transitions. [2021-11-23 00:25:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions. [2021-11-23 00:25:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:18,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:18,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:18,477 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:18,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2021-11-23 00:25:18,489 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2021-11-23 00:25:18,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:18,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 94 states and 130 transitions. [2021-11-23 00:25:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 130 transitions. [2021-11-23 00:25:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:18,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:18,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:18,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:18,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 95 states and 131 transitions. [2021-11-23 00:25:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2021-11-23 00:25:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:18,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:19,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 96 states and 132 transitions. [2021-11-23 00:25:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2021-11-23 00:25:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:19,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:19,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:19,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 97 states and 133 transitions. [2021-11-23 00:25:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2021-11-23 00:25:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:19,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:19,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 98 states and 134 transitions. [2021-11-23 00:25:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2021-11-23 00:25:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:19,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:19,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:19,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:19,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 99 states and 135 transitions. [2021-11-23 00:25:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2021-11-23 00:25:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:20,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:20,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 100 states and 136 transitions. [2021-11-23 00:25:20,268 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 136 transitions. [2021-11-23 00:25:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:20,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:20,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 101 states and 137 transitions. [2021-11-23 00:25:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2021-11-23 00:25:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:20,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:20,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 102 states and 138 transitions. [2021-11-23 00:25:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2021-11-23 00:25:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:20,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:20,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:20,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:20,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 103 states and 139 transitions. [2021-11-23 00:25:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 139 transitions. [2021-11-23 00:25:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:21,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:21,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:21,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 104 states and 140 transitions. [2021-11-23 00:25:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 140 transitions. [2021-11-23 00:25:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:21,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:21,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:21,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:21,482 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 105 states and 141 transitions. [2021-11-23 00:25:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2021-11-23 00:25:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:21,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:21,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:21,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 106 states and 142 transitions. [2021-11-23 00:25:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 142 transitions. [2021-11-23 00:25:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:21,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:21,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:21,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 143 transitions. [2021-11-23 00:25:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2021-11-23 00:25:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:21,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:21,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:22,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 108 states and 144 transitions. [2021-11-23 00:25:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2021-11-23 00:25:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:22,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:22,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 109 states and 145 transitions. [2021-11-23 00:25:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2021-11-23 00:25:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:22,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:22,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 146 transitions. [2021-11-23 00:25:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2021-11-23 00:25:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:22,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:22,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:22,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 111 states and 147 transitions. [2021-11-23 00:25:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2021-11-23 00:25:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:22,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:22,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:22,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:22,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions. [2021-11-23 00:25:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2021-11-23 00:25:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:23,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 113 states and 149 transitions. [2021-11-23 00:25:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 149 transitions. [2021-11-23 00:25:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:23,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 114 states and 150 transitions. [2021-11-23 00:25:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 150 transitions. [2021-11-23 00:25:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:23,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 115 states and 151 transitions. [2021-11-23 00:25:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 151 transitions. [2021-11-23 00:25:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:23,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:23,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:23,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:23,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 152 transitions. [2021-11-23 00:25:24,080 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions. [2021-11-23 00:25:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:24,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:24,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 117 states and 153 transitions. [2021-11-23 00:25:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 153 transitions. [2021-11-23 00:25:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:24,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:24,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 118 states and 154 transitions. [2021-11-23 00:25:24,506 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2021-11-23 00:25:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:24,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:24,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 119 states and 155 transitions. [2021-11-23 00:25:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 155 transitions. [2021-11-23 00:25:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:24,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:24,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 120 states and 156 transitions. [2021-11-23 00:25:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 156 transitions. [2021-11-23 00:25:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:24,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:24,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:24,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:24,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 121 states and 157 transitions. [2021-11-23 00:25:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2021-11-23 00:25:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:25,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:25,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 122 states and 158 transitions. [2021-11-23 00:25:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions. [2021-11-23 00:25:25,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:25,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:25,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 159 transitions. [2021-11-23 00:25:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2021-11-23 00:25:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:25,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:25,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:25,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:25,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 124 states and 160 transitions. [2021-11-23 00:25:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-11-23 00:25:25,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:25,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:25,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:25,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:25,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 125 states and 161 transitions. [2021-11-23 00:25:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 161 transitions. [2021-11-23 00:25:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:26,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:26,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:26,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 162 transitions. [2021-11-23 00:25:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 162 transitions. [2021-11-23 00:25:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:26,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:26,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 127 states and 163 transitions. [2021-11-23 00:25:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2021-11-23 00:25:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:26,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:26,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 128 states and 164 transitions. [2021-11-23 00:25:26,704 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 164 transitions. [2021-11-23 00:25:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:26,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:26,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 129 states and 165 transitions. [2021-11-23 00:25:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 165 transitions. [2021-11-23 00:25:26,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:26,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:26,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:26,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:26,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:27,130 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 130 states and 166 transitions. [2021-11-23 00:25:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2021-11-23 00:25:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:27,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 131 states and 167 transitions. [2021-11-23 00:25:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2021-11-23 00:25:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:27,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:27,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 132 states and 168 transitions. [2021-11-23 00:25:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2021-11-23 00:25:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:27,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:27,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:27,817 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2021-11-23 00:25:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2021-11-23 00:25:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:27,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:27,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:27,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:27,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:28,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 134 states and 170 transitions. [2021-11-23 00:25:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2021-11-23 00:25:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:28,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 171 transitions. [2021-11-23 00:25:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-23 00:25:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:28,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 136 states and 172 transitions. [2021-11-23 00:25:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2021-11-23 00:25:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:28,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2021-11-23 00:25:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2021-11-23 00:25:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:28,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 138 states and 174 transitions. [2021-11-23 00:25:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2021-11-23 00:25:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:28,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:28,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:28,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:28,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:29,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 139 states and 175 transitions. [2021-11-23 00:25:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 175 transitions. [2021-11-23 00:25:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:29,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:29,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 140 states and 176 transitions. [2021-11-23 00:25:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 176 transitions. [2021-11-23 00:25:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:29,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:29,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 141 states and 177 transitions. [2021-11-23 00:25:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2021-11-23 00:25:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:29,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:29,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 142 states and 178 transitions. [2021-11-23 00:25:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 178 transitions. [2021-11-23 00:25:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:29,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:29,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:29,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 143 states and 179 transitions. [2021-11-23 00:25:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2021-11-23 00:25:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:29,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:29,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 144 states and 180 transitions. [2021-11-23 00:25:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 180 transitions. [2021-11-23 00:25:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:30,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 145 states and 181 transitions. [2021-11-23 00:25:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 181 transitions. [2021-11-23 00:25:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:30,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 146 states and 182 transitions. [2021-11-23 00:25:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2021-11-23 00:25:30,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:30,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:30,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 147 states and 183 transitions. [2021-11-23 00:25:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2021-11-23 00:25:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:30,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:30,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:30,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 184 transitions. [2021-11-23 00:25:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2021-11-23 00:25:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:31,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:31,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:31,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 185 transitions. [2021-11-23 00:25:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2021-11-23 00:25:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:31,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:31,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:31,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2021-11-23 00:25:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2021-11-23 00:25:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:31,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:31,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 187 transitions. [2021-11-23 00:25:31,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 187 transitions. [2021-11-23 00:25:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:31,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:31,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:31,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2021-11-23 00:25:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2021-11-23 00:25:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:31,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:31,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:32,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2021-11-23 00:25:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2021-11-23 00:25:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:32,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:32,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 154 states and 190 transitions. [2021-11-23 00:25:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 190 transitions. [2021-11-23 00:25:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:32,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:32,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 155 states and 191 transitions. [2021-11-23 00:25:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2021-11-23 00:25:32,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:32,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:32,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:32,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 156 states and 192 transitions. [2021-11-23 00:25:32,972 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2021-11-23 00:25:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:32,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:32,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:33,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 157 states and 193 transitions. [2021-11-23 00:25:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2021-11-23 00:25:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:33,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:33,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:33,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 158 states and 194 transitions. [2021-11-23 00:25:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 194 transitions. [2021-11-23 00:25:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:33,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:33,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:33,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 159 states and 195 transitions. [2021-11-23 00:25:33,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2021-11-23 00:25:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:33,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:33,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:33,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:33,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 160 states and 196 transitions. [2021-11-23 00:25:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2021-11-23 00:25:33,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:33,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:33,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:33,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:33,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:34,174 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 161 states and 197 transitions. [2021-11-23 00:25:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2021-11-23 00:25:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:34,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:34,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:34,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:25:34,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 162 states and 198 transitions. [2021-11-23 00:25:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2021-11-23 00:25:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:25:34,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:34,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:34,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:25:34,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:25:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 161 states and 198 transitions. [2021-11-23 00:25:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2021-11-23 00:25:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:25:36,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:36,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:36,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:25:36,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:25:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:25:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:25:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 165 states and 208 transitions. [2021-11-23 00:25:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2021-11-23 00:25:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:25:57,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:25:57,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:25:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:25:58,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 00:25:58,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:26:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 00:27:11,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:27:25,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:27:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:33,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 170 states and 222 transitions. [2021-11-23 00:27:33,337 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 222 transitions. [2021-11-23 00:27:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:27:33,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:33,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:33,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 00:27:33,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:27:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 00:27:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 174 states and 348 transitions. [2021-11-23 00:27:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 348 transitions. [2021-11-23 00:27:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:27:36,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:36,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:27:47,389 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:27:47,392 INFO L158 Benchmark]: Toolchain (without parser) took 185199.86ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.0MB in the beginning and 148.5MB in the end (delta: -20.4MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 00:27:47,393 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:47,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.72ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 136.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:27:47,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.90ms. Allocated memory is still 161.5MB. Free memory was 136.0MB in the beginning and 134.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:27:47,394 INFO L158 Benchmark]: Boogie Preprocessor took 19.55ms. Allocated memory is still 161.5MB. Free memory was 134.3MB in the beginning and 133.5MB in the end (delta: 834.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:47,394 INFO L158 Benchmark]: RCFGBuilder took 258.32ms. Allocated memory is still 161.5MB. Free memory was 133.5MB in the beginning and 122.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:27:47,395 INFO L158 Benchmark]: CodeCheck took 184660.70ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 148.5MB in the end (delta: -26.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 00:27:47,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory was 51.0MB in the beginning and 50.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.72ms. Allocated memory is still 161.5MB. Free memory was 128.0MB in the beginning and 136.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.90ms. Allocated memory is still 161.5MB. Free memory was 136.0MB in the beginning and 134.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.55ms. Allocated memory is still 161.5MB. Free memory was 134.3MB in the beginning and 133.5MB in the end (delta: 834.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 258.32ms. Allocated memory is still 161.5MB. Free memory was 133.5MB in the beginning and 122.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 184660.70ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 122.2MB in the beginning and 148.5MB in the end (delta: -26.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:27:47,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/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_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/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 64261cdf4de80f70fe2d4ad7338f6b0821a851ad9c048667535af1ece80ec49c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:27:49,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:27:49,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:27:49,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:27:49,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:27:49,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:27:49,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:27:49,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:27:49,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:27:49,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:27:49,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:27:49,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:27:49,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:27:49,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:27:49,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:27:49,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:27:49,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:27:49,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:27:49,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:27:49,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:27:49,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:27:49,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:27:49,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:27:49,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:27:49,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:27:49,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:27:49,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:27:49,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:27:49,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:27:49,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:27:49,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:27:49,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:27:49,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:27:49,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:27:49,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:27:49,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:27:49,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:27:49,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:27:49,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:27:49,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:27:49,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:27:49,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:27:49,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:27:49,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:27:49,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:27:49,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:27:49,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:27:49,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:27:49,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:27:49,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:27:49,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:27:49,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:27:49,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:27:49,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:27:49,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:27:49,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:27:49,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:27:49,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:27:49,979 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:27:49,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:27:49,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:27:49,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:27:49,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:27:49,980 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:27:49,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:27:49,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:49,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:27:49,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:27:49,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:27:49,982 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:27:49,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:27:49,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:27:49,983 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:27:49,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:27:49,983 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64261cdf4de80f70fe2d4ad7338f6b0821a851ad9c048667535af1ece80ec49c [2021-11-23 00:27:50,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:27:50,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:27:50,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:27:50,443 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:27:50,444 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:27:50,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c [2021-11-23 00:27:50,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/f1df4f494/95063e0074344d81875e5c77ba5e52fc/FLAGc303a44c7 [2021-11-23 00:27:51,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:27:51,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c [2021-11-23 00:27:51,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/f1df4f494/95063e0074344d81875e5c77ba5e52fc/FLAGc303a44c7 [2021-11-23 00:27:51,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/data/f1df4f494/95063e0074344d81875e5c77ba5e52fc [2021-11-23 00:27:51,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:27:51,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:27:51,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:51,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:27:51,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:27:51,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd29c82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51, skipping insertion in model container [2021-11-23 00:27:51,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:27:51,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:27:51,658 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c[537,550] [2021-11-23 00:27:51,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:51,687 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:27:51,749 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_1bf7b8fc-9bc7-496e-ae05-38c106587def/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound50.c[537,550] [2021-11-23 00:27:51,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:51,773 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:27:51,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51 WrapperNode [2021-11-23 00:27:51,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:51,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:51,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:27:51,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:27:51,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,811 INFO L137 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-23 00:27:51,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:51,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:27:51,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:27:51,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:27:51,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:27:51,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:27:51,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:27:51,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:27:51,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:51" (1/1) ... [2021-11-23 00:27:51,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:51,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:27:51,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:27:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:27:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:27:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:27:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:27:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:27:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:27:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:27:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:27:51,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:27:51,980 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:27:51,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:27:52,111 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:27:52,138 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:27:52,138 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:27:52,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:52 BoogieIcfgContainer [2021-11-23 00:27:52,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:27:52,142 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:27:52,142 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:27:52,152 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:27:52,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:52" (1/1) ... [2021-11-23 00:27:52,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:27:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-23 00:27:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-23 00:27:52,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:27:52,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:52,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:52,328 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:27:52,348 INFO L158 Benchmark]: Toolchain (without parser) took 860.00ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.4MB in the beginning and 53.5MB in the end (delta: -17.1MB). Peak memory consumption was 531.5kB. Max. memory is 16.1GB. [2021-11-23 00:27:52,349 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:52,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.68ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 41.1MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:27:52,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.62ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 39.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:52,352 INFO L158 Benchmark]: Boogie Preprocessor took 25.95ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 38.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:27:52,353 INFO L158 Benchmark]: RCFGBuilder took 302.14ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 28.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:27:52,355 INFO L158 Benchmark]: CodeCheck took 204.37ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 27.8MB in the beginning and 53.5MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:27:52,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.68ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 41.1MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.62ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 39.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.95ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 38.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.14ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 28.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 204.37ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 27.8MB in the beginning and 53.5MB in the end (delta: -25.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:27:52,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf7b8fc-9bc7-496e-ae05-38c106587def/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared