./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/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 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:22,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:22,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:22,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:22,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:22,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:22,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:22,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:22,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:22,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:22,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:22,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:22,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:22,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:22,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:22,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:22,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:22,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:22,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:22,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:22,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:22,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:22,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:22,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:22,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:22,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:22,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:22,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:22,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:22,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:22,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:22,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:22,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:22,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:22,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:22,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:22,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:22,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:22,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:22,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:22,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:22,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:01:22,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:22,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:22,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:22,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:22,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:22,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:22,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:22,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:22,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:22,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:22,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:22,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:22,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:22,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:22,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:22,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:22,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:22,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:22,699 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:22,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:22,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:22,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:22,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:22,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:22,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:22,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:22,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:22,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:22,702 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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2021-11-23 01:01:22,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:23,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:23,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:23,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:23,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:23,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2021-11-23 01:01:23,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/data/74ee3ff7f/e3b45f0c186c499eab5a155df1a40b5c/FLAGb817ad282 [2021-11-23 01:01:23,605 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:23,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2021-11-23 01:01:23,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/data/74ee3ff7f/e3b45f0c186c499eab5a155df1a40b5c/FLAGb817ad282 [2021-11-23 01:01:23,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/data/74ee3ff7f/e3b45f0c186c499eab5a155df1a40b5c [2021-11-23 01:01:23,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:23,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:23,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:23,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:23,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:23,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:23" (1/1) ... [2021-11-23 01:01:23,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5827c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:23, skipping insertion in model container [2021-11-23 01:01:23,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:23" (1/1) ... [2021-11-23 01:01:24,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:24,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:24,218 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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c[526,539] [2021-11-23 01:01:24,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:24,242 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:24,254 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_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c[526,539] [2021-11-23 01:01:24,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:24,273 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:24,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24 WrapperNode [2021-11-23 01:01:24,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:24,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:24,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:24,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:24,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,320 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2021-11-23 01:01:24,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:24,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:24,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:24,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:24,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:24,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:24,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:24,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:24,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:24,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:24,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:24,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:01:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:01:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:01:24,518 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:24,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:24,655 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:24,692 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:24,692 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:01:24,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:24 BoogieIcfgContainer [2021-11-23 01:01:24,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:01:24,696 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:01:24,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:01:24,704 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:01:24,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:24" (1/1) ... [2021-11-23 01:01:24,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:01:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 01:01:24,773 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 01:01:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:01:24,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:24,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:24,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2021-11-23 01:01:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:01:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:01:25,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2021-11-23 01:01:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-11-23 01:01:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:01:25,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:25,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:01:25,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:01:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2021-11-23 01:01:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-23 01:01:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:01:25,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:25,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:25,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:01:25,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:01:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:26,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2021-11-23 01:01:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2021-11-23 01:01:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:01:26,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:26,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:26,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:01:26,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:01:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:26,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2021-11-23 01:01:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-11-23 01:01:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:01:26,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:26,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:26,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:01:26,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:01:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2021-11-23 01:01:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-11-23 01:01:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:01:27,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:27,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:27,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:01:27,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:01:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2021-11-23 01:01:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2021-11-23 01:01:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:01:27,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:27,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:28,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:01:28,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:01:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2021-11-23 01:01:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2021-11-23 01:01:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:01:28,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:28,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:28,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:01:28,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:01:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2021-11-23 01:01:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2021-11-23 01:01:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:01:28,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:28,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:29,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:01:29,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-23 01:01:29,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 54 states and 97 transitions. [2021-11-23 01:01:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2021-11-23 01:01:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:01:29,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:29,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:29,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:01:29,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:01:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 107 transitions. [2021-11-23 01:01:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2021-11-23 01:01:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:01:30,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:30,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:30,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:01:30,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:01:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 65 states and 122 transitions. [2021-11-23 01:01:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions. [2021-11-23 01:01:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:01:31,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:31,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:31,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:01:31,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:01:32,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 67 states and 127 transitions. [2021-11-23 01:01:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2021-11-23 01:01:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:01:32,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:32,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:32,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:01:32,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-23 01:01:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 126 transitions. [2021-11-23 01:01:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2021-11-23 01:01:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:01:32,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:32,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:32,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:01:32,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:01:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 76 states and 143 transitions. [2021-11-23 01:01:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2021-11-23 01:01:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:01:34,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:34,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:34,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:01:34,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:01:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 81 states and 153 transitions. [2021-11-23 01:01:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 153 transitions. [2021-11-23 01:01:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:01:35,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:35,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:35,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:01:35,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:01:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:36,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 81 states and 152 transitions. [2021-11-23 01:01:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 152 transitions. [2021-11-23 01:01:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:01:36,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:36,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:36,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:01:36,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:01:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 87 states and 167 transitions. [2021-11-23 01:01:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 167 transitions. [2021-11-23 01:01:38,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:01:38,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:38,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:38,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:01:38,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:01:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 89 states and 172 transitions. [2021-11-23 01:01:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2021-11-23 01:01:39,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:01:39,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:39,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:39,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:01:39,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-11-23 01:01:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:39,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 89 states and 171 transitions. [2021-11-23 01:01:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2021-11-23 01:01:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:01:39,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:39,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:39,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:01:39,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:01:41,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 91 states and 182 transitions. [2021-11-23 01:01:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 182 transitions. [2021-11-23 01:01:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:01:41,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:41,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:41,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:01:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:01:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 101 states and 206 transitions. [2021-11-23 01:01:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 206 transitions. [2021-11-23 01:01:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:01:43,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:43,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:43,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:01:43,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:01:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 106 states and 218 transitions. [2021-11-23 01:01:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 218 transitions. [2021-11-23 01:01:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:01:45,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:45,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:46,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:01:46,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:01:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 108 states and 223 transitions. [2021-11-23 01:01:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 223 transitions. [2021-11-23 01:01:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:01:47,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:01:47,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:01:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 110 states and 228 transitions. [2021-11-23 01:01:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 228 transitions. [2021-11-23 01:01:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:01:47,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:47,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:47,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:01:47,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:01:50,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 116 states and 245 transitions. [2021-11-23 01:01:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 245 transitions. [2021-11-23 01:01:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:01:50,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:50,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:50,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:01:50,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:01:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 118 states and 250 transitions. [2021-11-23 01:01:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 250 transitions. [2021-11-23 01:01:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:01:51,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:51,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:51,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:01:51,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2021-11-23 01:01:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 118 states and 249 transitions. [2021-11-23 01:01:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 249 transitions. [2021-11-23 01:01:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:01:52,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:52,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:01:52,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:01:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 123 states and 259 transitions. [2021-11-23 01:01:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 259 transitions. [2021-11-23 01:01:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:01:55,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:55,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:55,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:01:55,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 77 proven. 4 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2021-11-23 01:01:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 126 states and 267 transitions. [2021-11-23 01:01:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 267 transitions. [2021-11-23 01:01:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:01:56,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:56,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:56,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:01:56,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 32 proven. 27 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:01:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 126 states and 266 transitions. [2021-11-23 01:01:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 266 transitions. [2021-11-23 01:01:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:01:58,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:58,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:58,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:01:58,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:01:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:02:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 130 states and 279 transitions. [2021-11-23 01:02:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 279 transitions. [2021-11-23 01:02:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:02:01,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:01,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:01,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:02:01,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 135 states and 291 transitions. [2021-11-23 01:02:03,994 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 291 transitions. [2021-11-23 01:02:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:02:03,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:03,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:04,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:02:04,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 136 states and 292 transitions. [2021-11-23 01:02:05,047 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 292 transitions. [2021-11-23 01:02:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:02:05,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:05,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:05,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:02:05,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:05,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 138 states and 297 transitions. [2021-11-23 01:02:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 297 transitions. [2021-11-23 01:02:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:02:05,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:05,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:05,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:02:05,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:06,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 140 states and 302 transitions. [2021-11-23 01:02:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 302 transitions. [2021-11-23 01:02:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:02:06,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:06,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:06,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:02:06,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 146 states and 320 transitions. [2021-11-23 01:02:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 320 transitions. [2021-11-23 01:02:11,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:02:11,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:11,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:11,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:02:11,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:02:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:13,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 148 states and 324 transitions. [2021-11-23 01:02:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 324 transitions. [2021-11-23 01:02:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:02:13,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:13,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:13,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:02:13,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:02:15,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 150 states and 329 transitions. [2021-11-23 01:02:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 329 transitions. [2021-11-23 01:02:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:02:15,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:15,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:15,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:02:15,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-11-23 01:02:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 150 states and 328 transitions. [2021-11-23 01:02:16,864 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 328 transitions. [2021-11-23 01:02:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:02:16,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:16,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:16,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:02:17,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:02:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 164 states and 361 transitions. [2021-11-23 01:02:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 361 transitions. [2021-11-23 01:02:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:02:23,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:23,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:24,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:02:24,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:02:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 166 states and 364 transitions. [2021-11-23 01:02:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 364 transitions. [2021-11-23 01:02:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:02:25,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:25,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:26,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:02:26,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:02:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 168 states and 369 transitions. [2021-11-23 01:02:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 369 transitions. [2021-11-23 01:02:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:02:27,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:27,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:27,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:02:27,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:02:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 170 states and 374 transitions. [2021-11-23 01:02:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 374 transitions. [2021-11-23 01:02:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:02:28,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:28,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:29,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:02:29,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:30,134 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:02:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 172 states and 379 transitions. [2021-11-23 01:02:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 379 transitions. [2021-11-23 01:02:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:02:31,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:31,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:02:31,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 38 proven. 58 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:02:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 184 states and 407 transitions. [2021-11-23 01:02:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 407 transitions. [2021-11-23 01:02:37,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:02:37,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:37,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:37,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:02:37,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-11-23 01:02:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 189 states and 417 transitions. [2021-11-23 01:02:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 417 transitions. [2021-11-23 01:02:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:02:45,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:45,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:45,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:02:45,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2021-11-23 01:02:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 167 states and 350 transitions. [2021-11-23 01:02:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 350 transitions. [2021-11-23 01:02:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:02:46,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:46,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:46,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:02:46,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:02:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 169 states and 354 transitions. [2021-11-23 01:02:49,182 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 354 transitions. [2021-11-23 01:02:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:02:49,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:49,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:49,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:02:49,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:02:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 171 states and 358 transitions. [2021-11-23 01:02:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 358 transitions. [2021-11-23 01:02:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:02:50,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:50,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:50,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:02:50,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:02:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:02:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 176 states and 373 transitions. [2021-11-23 01:02:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 373 transitions. [2021-11-23 01:02:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:02:57,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:57,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:02:57,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:02:57,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 40 proven. 54 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:03:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 181 states and 384 transitions. [2021-11-23 01:03:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 384 transitions. [2021-11-23 01:03:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:03:07,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:07,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:07,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:03:08,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 40 proven. 54 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:03:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 183 states and 387 transitions. [2021-11-23 01:03:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 387 transitions. [2021-11-23 01:03:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 01:03:10,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:10,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:10,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:03:10,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 42 proven. 78 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:03:13,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:13,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 185 states and 391 transitions. [2021-11-23 01:03:13,075 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 391 transitions. [2021-11-23 01:03:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:03:13,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:13,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:03:13,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 42 proven. 54 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:03:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:16,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 185 states and 390 transitions. [2021-11-23 01:03:16,642 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 390 transitions. [2021-11-23 01:03:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 01:03:16,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:16,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:16,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:03:16,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-23 01:03:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 191 states and 407 transitions. [2021-11-23 01:03:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 407 transitions. [2021-11-23 01:03:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:03:26,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:26,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:26,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:03:26,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:03:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 193 states and 411 transitions. [2021-11-23 01:03:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 411 transitions. [2021-11-23 01:03:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:03:28,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:28,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:28,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:03:28,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:03:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 195 states and 415 transitions. [2021-11-23 01:03:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 415 transitions. [2021-11-23 01:03:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:03:30,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:30,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:30,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:03:30,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 44 proven. 71 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:03:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 197 states and 419 transitions. [2021-11-23 01:03:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 419 transitions. [2021-11-23 01:03:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:03:32,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:32,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:32,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:03:32,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 44 proven. 83 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2021-11-23 01:03:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 205 states and 435 transitions. [2021-11-23 01:03:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 435 transitions. [2021-11-23 01:03:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-23 01:03:44,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:44,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:44,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:03:44,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 46 proven. 85 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:03:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 207 states and 439 transitions. [2021-11-23 01:03:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 439 transitions. [2021-11-23 01:03:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:03:49,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:49,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:49,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:03:49,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:03:54,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 46 proven. 82 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:04:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 223 states and 477 transitions. [2021-11-23 01:04:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 477 transitions. [2021-11-23 01:04:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:04:08,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:08,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:08,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:04:08,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:11,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 46 proven. 82 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:04:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 227 states and 483 transitions. [2021-11-23 01:04:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 483 transitions. [2021-11-23 01:04:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:04:14,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:14,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:14,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:04:14,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 46 proven. 82 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2021-11-23 01:04:18,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 229 states and 486 transitions. [2021-11-23 01:04:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 486 transitions. [2021-11-23 01:04:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:04:18,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:18,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:19,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:04:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:04:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 231 states and 490 transitions. [2021-11-23 01:04:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 490 transitions. [2021-11-23 01:04:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:04:24,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:24,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:25,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:04:25,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:04:27,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:27,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 233 states and 494 transitions. [2021-11-23 01:04:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 494 transitions. [2021-11-23 01:04:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:04:27,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:27,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:27,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:04:27,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 48 proven. 86 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:04:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 235 states and 498 transitions. [2021-11-23 01:04:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 498 transitions. [2021-11-23 01:04:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:04:32,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:32,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:32,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:04:32,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:36,729 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:36,743 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:36,759 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:36,790 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:04:36,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 116 proven. 87 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-23 01:04:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 237 states and 502 transitions. [2021-11-23 01:04:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 502 transitions. [2021-11-23 01:04:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:04:42,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:42,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:04:43,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:04:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 48 proven. 93 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-11-23 01:04:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 243 states and 518 transitions. [2021-11-23 01:04:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 518 transitions. [2021-11-23 01:04:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:04:59,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:59,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:59,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:04:59,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 50 proven. 96 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:05:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 245 states and 522 transitions. [2021-11-23 01:05:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 522 transitions. [2021-11-23 01:05:08,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-23 01:05:08,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:08,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:09,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:05:09,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:09,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 50 proven. 96 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:05:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 247 states and 526 transitions. [2021-11-23 01:05:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 526 transitions. [2021-11-23 01:05:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:05:11,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:11,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:11,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:05:11,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:05:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 252 states and 538 transitions. [2021-11-23 01:05:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 538 transitions. [2021-11-23 01:05:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:05:39,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:39,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:39,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:05:39,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:05:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 254 states and 541 transitions. [2021-11-23 01:05:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 541 transitions. [2021-11-23 01:05:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:05:45,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:45,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:45,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:05:45,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 50 proven. 90 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-23 01:05:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:05:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 256 states and 544 transitions. [2021-11-23 01:05:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 544 transitions. [2021-11-23 01:05:51,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-23 01:05:51,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:05:51,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:05:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:51,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:05:51,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:05:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 52 proven. 90 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:06:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 256 states and 543 transitions. [2021-11-23 01:06:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 543 transitions. [2021-11-23 01:06:00,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:06:00,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:00,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:00,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:06:00,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1459 backedges. 52 proven. 107 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2021-11-23 01:06:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 262 states and 560 transitions. [2021-11-23 01:06:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 560 transitions. [2021-11-23 01:06:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:06:22,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:22,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:22,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:06:22,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:06:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 264 states and 564 transitions. [2021-11-23 01:06:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 564 transitions. [2021-11-23 01:06:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:06:26,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:26,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:26,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:06:26,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:06:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 266 states and 568 transitions. [2021-11-23 01:06:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 568 transitions. [2021-11-23 01:06:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-23 01:06:29,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:29,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:29,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:06:29,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 54 proven. 111 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-23 01:06:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 268 states and 572 transitions. [2021-11-23 01:06:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 572 transitions. [2021-11-23 01:06:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 01:06:41,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:41,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:41,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-23 01:06:41,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:06:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 133 proven. 129 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-23 01:07:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:14,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 274 states and 590 transitions. [2021-11-23 01:07:14,790 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 590 transitions. [2021-11-23 01:07:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:07:14,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:14,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:14,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:07:14,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:07:33,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 276 states and 594 transitions. [2021-11-23 01:07:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 594 transitions. [2021-11-23 01:07:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:07:33,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:33,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:33,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:07:33,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:07:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 278 states and 598 transitions. [2021-11-23 01:07:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 598 transitions. [2021-11-23 01:07:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:07:39,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:39,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:39,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:07:40,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:07:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 280 states and 602 transitions. [2021-11-23 01:07:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 602 transitions. [2021-11-23 01:07:46,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-23 01:07:46,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:46,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:46,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:07:46,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:07:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 58 proven. 130 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2021-11-23 01:07:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 282 states and 606 transitions. [2021-11-23 01:07:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 606 transitions. [2021-11-23 01:07:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:07:50,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:50,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:50,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-23 01:07:50,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 60 proven. 135 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:08:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 287 states and 617 transitions. [2021-11-23 01:08:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 617 transitions. [2021-11-23 01:08:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-23 01:08:42,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:42,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-23 01:08:42,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1935 backedges. 60 proven. 135 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2021-11-23 01:08:51,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:51,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 165 states and 267 transitions. [2021-11-23 01:08:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 267 transitions. [2021-11-23 01:08:51,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-23 01:08:51,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:51,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:51,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:08:51,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:08:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 62 proven. 135 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2021-11-23 01:09:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:09:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 160 states and 262 transitions. [2021-11-23 01:09:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2021-11-23 01:09:05,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:09:05,185 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 88 iterations. [2021-11-23 01:09:05,193 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:09:11,296 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:09:11,300 INFO L560 CodeCheckObserver]: Invariant with dag size 66 [2021-11-23 01:09:11,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:09:11 ImpRootNode [2021-11-23 01:09:11,329 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:09:11,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:09:11,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:09:11,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:09:11,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:24" (3/4) ... [2021-11-23 01:09:11,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:09:11,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:09:11,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-23 01:09:11,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 01:09:11,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:09:11,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:09:11,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:09:11,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:09:11,405 INFO L158 Benchmark]: Toolchain (without parser) took 467417.61ms. Allocated memory was 81.8MB in the beginning and 1.1GB in the end (delta: 1.1GB). Free memory was 45.0MB in the beginning and 630.5MB in the end (delta: -585.5MB). Peak memory consumption was 464.7MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,406 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:11,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.96ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 77.9MB in the end (delta: -33.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,407 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 75.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,407 INFO L158 Benchmark]: RCFGBuilder took 351.57ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 64.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,407 INFO L158 Benchmark]: CodeCheck took 466633.68ms. Allocated memory was 102.8MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 64.2MB in the beginning and 633.7MB in the end (delta: -569.4MB). Peak memory consumption was 463.2MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,408 INFO L158 Benchmark]: Witness Printer took 74.56ms. Allocated memory is still 1.1GB. Free memory was 633.7MB in the beginning and 630.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:11,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 460.5s, OverallIterations: 88, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44288 SdHoareTripleChecker+Valid, 382.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13006 mSDsluCounter, 24613 SdHoareTripleChecker+Invalid, 322.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21080 mSDsCounter, 55600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123470 IncrementalHoareTripleChecker+Invalid, 179070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55600 mSolverCounterUnsat, 3533 mSDtfsCounter, 123470 mSolverCounterSat, 2.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93721 GetRequests, 90108 SyntacticMatches, 2639 SemanticMatches, 974 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644753 ImplicationChecksByTransitivity, 371.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 147.5s InterpolantComputationTime, 9436 NumberOfCodeBlocks, 9436 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 9349 ConstructedInterpolants, 0 QuantifiedInterpolants, 61781 SizeOfPredicates, 251 NumberOfNonLiveVariables, 21664 ConjunctsInSsa, 2921 ConjunctsInUnsatCore, 87 InterpolantComputations, 14 PerfectInterpolantSequences, 66197/70897 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((20 < r && 32 * B == d) || (B <= r && 2 == p)) || (p == 8 && 4 * B <= r)) || (8 * B <= r && 16 == p)) || ((B == d && A <= 20) && 0 <= A)) || !(A == r)) || (((((!((p == 4 && 4 * B == d) && B == 1) && !((8 * B == d && p == 8) && B == 1)) && !((d == 2 * B && 2 == p) && B == 1)) && !((p == 1 && B == d) && B == 1)) && !((16 * B == d && 16 == p) && 1 <= B)) && !((32 == p && 32 * B == d) && 1 <= B))) || !(q == 0)) || (16 * B <= r && 32 * B == d)) || (4 * B == d && 2 * B <= r) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.96ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 77.9MB in the end (delta: -33.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 75.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.57ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 64.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 466633.68ms. Allocated memory was 102.8MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 64.2MB in the beginning and 633.7MB in the end (delta: -569.4MB). Peak memory consumption was 463.2MB. Max. memory is 16.1GB. * Witness Printer took 74.56ms. Allocated memory is still 1.1GB. Free memory was 633.7MB in the beginning and 630.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:09:11,629 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-23 01:09:11,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2effdfa4-6f38-45e9-bb2d-c5500e4a6cba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE