./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/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 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:12,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:12,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:12,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:12,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:12,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:12,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:12,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:12,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:12,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:12,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:12,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:12,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:12,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:12,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:12,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:12,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:12,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:12,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:12,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:12,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:12,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:12,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:12,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:12,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:12,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:12,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:12,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:12,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:12,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:12,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:12,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:12,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:12,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:12,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:12,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:12,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:12,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:12,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:12,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:12,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:12,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:12,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:12,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:12,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:12,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:12,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:12,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:12,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:12,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:12,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:12,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:12,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:12,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:12,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:12,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:12,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:12,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:12,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:12,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:12,556 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:12,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:12,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:12,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:12,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:12,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:12,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:12,558 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:12,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:12,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:12,558 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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 [2021-11-22 23:09:12,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:12,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:12,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:12,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:12,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:12,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2021-11-22 23:09:12,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/data/9d1d0e958/9a7cc6ea6c654173872c3129bc7285cc/FLAG079091ba8 [2021-11-22 23:09:13,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:13,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2021-11-22 23:09:13,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/data/9d1d0e958/9a7cc6ea6c654173872c3129bc7285cc/FLAG079091ba8 [2021-11-22 23:09:13,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/data/9d1d0e958/9a7cc6ea6c654173872c3129bc7285cc [2021-11-22 23:09:13,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:13,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:13,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:13,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:13,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:13,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:13" (1/1) ... [2021-11-22 23:09:13,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59124049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:13, skipping insertion in model container [2021-11-22 23:09:13,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:13" (1/1) ... [2021-11-22 23:09:13,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:13,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:13,953 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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c[489,502] [2021-11-22 23:09:13,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,004 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:14,016 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_594bd462-d5e0-4aa7-9c12-f4e78f42f641/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c[489,502] [2021-11-22 23:09:14,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:14,038 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:14,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14 WrapperNode [2021-11-22 23:09:14,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:14,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:14,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:14,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,072 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-22 23:09:14,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:14,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:14,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:14,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:14,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:14,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:14,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:14,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:14,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:14,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_594bd462-d5e0-4aa7-9c12-f4e78f42f641/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:14,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:09:14,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:09:14,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:14,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:09:14,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:09:14,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:14,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:14,430 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:14,488 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:14,503 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:09:14,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14 BoogieIcfgContainer [2021-11-22 23:09:14,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:14,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:14,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:14,516 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:14,531 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:14" (1/1) ... [2021-11-22 23:09:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-22 23:09:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-22 23:09:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:14,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-22 23:09:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-22 23:09:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:14,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:14,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-11-22 23:09:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-11-22 23:09:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:09:15,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:09:15,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2021-11-22 23:09:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-11-22 23:09:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:09:15,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:09:15,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:09:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 61 transitions. [2021-11-22 23:09:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2021-11-22 23:09:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:09:16,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:16,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:16,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-22 23:09:16,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:09:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 59 transitions. [2021-11-22 23:09:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-11-22 23:09:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:09:17,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:17,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:17,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-22 23:09:17,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:09:19,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 70 transitions. [2021-11-22 23:09:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-11-22 23:09:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:09:19,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:19,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:19,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:09:19,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:09:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 72 transitions. [2021-11-22 23:09:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2021-11-22 23:09:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:09:19,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:19,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:19,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:09:19,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:09:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:21,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 114 transitions. [2021-11-22 23:09:21,035 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2021-11-22 23:09:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:09:21,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:21,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:21,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:09:21,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:09:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 134 transitions. [2021-11-22 23:09:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 134 transitions. [2021-11-22 23:09:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:09:23,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:23,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:23,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:09:23,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:09:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 58 states and 136 transitions. [2021-11-22 23:09:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2021-11-22 23:09:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:09:23,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:23,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:23,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:09:23,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:09:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 62 states and 155 transitions. [2021-11-22 23:09:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 155 transitions. [2021-11-22 23:09:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:09:25,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:25,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:25,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:09:25,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:09:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:29,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 68 states and 185 transitions. [2021-11-22 23:09:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 185 transitions. [2021-11-22 23:09:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:09:29,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:29,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:29,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:29,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:30,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:09:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 72 states and 197 transitions. [2021-11-22 23:09:32,491 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 197 transitions. [2021-11-22 23:09:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:09:32,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:32,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:32,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-22 23:09:32,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:09:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 74 states and 203 transitions. [2021-11-22 23:09:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 203 transitions. [2021-11-22 23:09:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:09:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:34,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:34,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:34,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-22 23:09:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:38,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 79 states and 230 transitions. [2021-11-22 23:09:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 230 transitions. [2021-11-22 23:09:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:38,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:38,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:38,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:38,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:09:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 84 states and 257 transitions. [2021-11-22 23:09:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 257 transitions. [2021-11-22 23:09:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:47,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:47,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:47,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:09:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 88 states and 269 transitions. [2021-11-22 23:09:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 269 transitions. [2021-11-22 23:09:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:52,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:52,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:52,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:52,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:09:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 91 states and 276 transitions. [2021-11-22 23:09:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 276 transitions. [2021-11-22 23:09:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:09:54,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:54,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:54,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:09:54,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-22 23:09:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 93 states and 278 transitions. [2021-11-22 23:09:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 278 transitions. [2021-11-22 23:09:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:09:57,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:57,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:09:57,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:09:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-22 23:10:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:06,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 97 states and 301 transitions. [2021-11-22 23:10:06,935 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 301 transitions. [2021-11-22 23:10:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:06,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:06,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:07,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:10:07,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:10:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 102 states and 327 transitions. [2021-11-22 23:10:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 327 transitions. [2021-11-22 23:10:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:13,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:13,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:13,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:10:13,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:13,941 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:10:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 112 states and 429 transitions. [2021-11-22 23:10:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 429 transitions. [2021-11-22 23:10:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:19,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:19,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:19,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:10:19,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:19,491 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:10:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 114 states and 431 transitions. [2021-11-22 23:10:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 431 transitions. [2021-11-22 23:10:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:34,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:34,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:34,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:10:34,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:10:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 118 states and 449 transitions. [2021-11-22 23:10:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 449 transitions. [2021-11-22 23:10:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:41,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:41,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:41,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:10:41,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:10:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 120 states and 462 transitions. [2021-11-22 23:10:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 462 transitions. [2021-11-22 23:10:43,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:43,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:43,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:44,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:10:44,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:10:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 124 states and 469 transitions. [2021-11-22 23:10:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 469 transitions. [2021-11-22 23:10:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:10:51,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:51,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:51,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:10:51,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:10:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:11:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 126 states and 471 transitions. [2021-11-22 23:11:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 471 transitions. [2021-11-22 23:11:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:11:03,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:03,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:03,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:11:03,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-22 23:11:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 126 states and 470 transitions. [2021-11-22 23:11:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 470 transitions. [2021-11-22 23:11:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:11:04,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:11:04,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-22 23:11:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 127 states and 472 transitions. [2021-11-22 23:11:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 472 transitions. [2021-11-22 23:11:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:11:06,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:06,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:11:06,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-22 23:11:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 129 states and 478 transitions. [2021-11-22 23:11:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 478 transitions. [2021-11-22 23:11:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:11:08,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:08,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:11:08,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-22 23:11:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 130 states and 481 transitions. [2021-11-22 23:11:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 481 transitions. [2021-11-22 23:11:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:11:10,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:10,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:11:11,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-22 23:11:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 132 states and 488 transitions. [2021-11-22 23:11:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 488 transitions. [2021-11-22 23:11:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:11:13,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:13,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:13,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:11:13,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:11:28,596 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-22 23:12:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 136 states and 517 transitions. [2021-11-22 23:12:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 517 transitions. [2021-11-22 23:12:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:12:07,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:07,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:07,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-22 23:12:07,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-22 23:12:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 138 states and 543 transitions. [2021-11-22 23:12:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 543 transitions. [2021-11-22 23:12:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:12:48,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:48,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:48,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:12:48,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:12:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-22 23:13:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 141 states and 556 transitions. [2021-11-22 23:13:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 556 transitions. [2021-11-22 23:13:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:13:15,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:15,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:13:15,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-22 23:13:32,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 144 states and 562 transitions. [2021-11-22 23:13:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 562 transitions. [2021-11-22 23:13:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:13:32,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:32,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:32,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:13:32,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-22 23:13:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 145 states and 563 transitions. [2021-11-22 23:13:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 563 transitions. [2021-11-22 23:13:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:13:37,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:37,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:13:37,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:15:12,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 150 states and 599 transitions. [2021-11-22 23:15:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 599 transitions. [2021-11-22 23:15:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:15:12,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:12,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:15:12,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:15,801 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:15:54,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 154 states and 616 transitions. [2021-11-22 23:15:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 616 transitions. [2021-11-22 23:15:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:15:54,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:15:54,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:16:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 158 states and 633 transitions. [2021-11-22 23:16:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 633 transitions. [2021-11-22 23:16:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:16:43,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:16:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:17:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 160 states and 635 transitions. [2021-11-22 23:17:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 635 transitions. [2021-11-22 23:17:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:17:01,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:02,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-22 23:17:02,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-22 23:17:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 162 states and 637 transitions. [2021-11-22 23:17:30,951 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 637 transitions. [2021-11-22 23:17:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:17:30,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:17:31,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:18:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 167 states and 680 transitions. [2021-11-22 23:18:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 680 transitions. [2021-11-22 23:18:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:18:10,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:10,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:18:10,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:18:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 171 states and 700 transitions. [2021-11-22 23:18:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 700 transitions. [2021-11-22 23:18:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:18:33,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:18:33,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:18:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 172 states and 704 transitions. [2021-11-22 23:18:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 704 transitions. [2021-11-22 23:18:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:18:44,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:44,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:18:44,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:47,096 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:19:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 174 states and 706 transitions. [2021-11-22 23:19:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 706 transitions. [2021-11-22 23:19:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:19:03,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:03,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:19:03,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:19:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 184 states and 862 transitions. [2021-11-22 23:19:50,215 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 862 transitions. [2021-11-22 23:19:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:19:50,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:19:50,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:20:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 188 states and 879 transitions. [2021-11-22 23:20:37,275 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 879 transitions. [2021-11-22 23:20:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:20:37,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:37,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:37,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:20:37,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:20:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 190 states and 883 transitions. [2021-11-22 23:20:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 883 transitions. [2021-11-22 23:20:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:20:49,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:49,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:50,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:20:50,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:21:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 191 states and 886 transitions. [2021-11-22 23:21:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 886 transitions. [2021-11-22 23:21:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:21:00,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:00,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:21:00,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:21:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 192 states and 888 transitions. [2021-11-22 23:21:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 888 transitions. [2021-11-22 23:21:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:21:07,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:07,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:21:07,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:21:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 192 states and 886 transitions. [2021-11-22 23:21:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 886 transitions. [2021-11-22 23:21:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:21:21,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:21:21,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:22:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 195 states and 890 transitions. [2021-11-22 23:22:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 890 transitions. [2021-11-22 23:22:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:22:11,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:11,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:22:11,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:22:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 196 states and 890 transitions. [2021-11-22 23:22:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 890 transitions. [2021-11-22 23:22:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:22:15,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:22:15,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-22 23:22:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 197 states and 892 transitions. [2021-11-22 23:22:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 892 transitions. [2021-11-22 23:22:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:22:22,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:22,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:23,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:22:23,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-22 23:22:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 197 states and 891 transitions. [2021-11-22 23:22:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 891 transitions. [2021-11-22 23:22:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:22:39,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:39,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:39,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:22:39,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked.