./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/nested_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/nested_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN --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 7d46306d0f449fc697e3921b4f35c60335f25019c8462cefcaf92538159e3d14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:32:08,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:32:08,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:32:08,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:32:08,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:32:08,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:32:08,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:32:08,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:32:08,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:32:08,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:32:08,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:32:08,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:32:08,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:32:08,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:32:08,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:32:08,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:32:08,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:32:08,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:32:08,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:32:08,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:32:08,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:32:08,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:32:08,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:32:08,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:32:08,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:32:08,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:32:08,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:32:08,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:32:08,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:32:08,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:32:08,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:32:08,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:32:08,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:32:08,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:32:08,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:32:08,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:32:08,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:32:08,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:32:08,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:32:08,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:32:08,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:32:08,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 04:32:08,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:32:08,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:32:08,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:32:08,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:32:08,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:32:08,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:32:08,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:32:08,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:32:08,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:32:08,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:32:08,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:32:08,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:32:08,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:32:08,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:32:08,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:32:08,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:32:08,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:32:08,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:32:08,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:32:08,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:32:08,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:32:08,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:32:08,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:32:08,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:32:08,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:32:08,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:32:08,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:32:08,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:32:08,856 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_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d46306d0f449fc697e3921b4f35c60335f25019c8462cefcaf92538159e3d14 [2021-11-21 04:32:09,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:32:09,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:32:09,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:32:09,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:32:09,136 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:32:09,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2021-11-21 04:32:09,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/data/3ed9da1d2/4a155dd08d394e14b1e10cdfe253a4b6/FLAGe94bc52a8 [2021-11-21 04:32:09,702 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:32:09,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2021-11-21 04:32:09,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/data/3ed9da1d2/4a155dd08d394e14b1e10cdfe253a4b6/FLAGe94bc52a8 [2021-11-21 04:32:10,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/data/3ed9da1d2/4a155dd08d394e14b1e10cdfe253a4b6 [2021-11-21 04:32:10,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:32:10,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:32:10,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:32:10,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:32:10,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:32:10,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609ac266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10, skipping insertion in model container [2021-11-21 04:32:10,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:32:10,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:32:10,306 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_ce0cdf31-0597-4396-aec5-2f420c14d2eb/sv-benchmarks/c/loop-acceleration/nested_1-1.c[322,335] [2021-11-21 04:32:10,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:10,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:32:10,351 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_ce0cdf31-0597-4396-aec5-2f420c14d2eb/sv-benchmarks/c/loop-acceleration/nested_1-1.c[322,335] [2021-11-21 04:32:10,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:10,376 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:32:10,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10 WrapperNode [2021-11-21 04:32:10,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:32:10,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:10,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:32:10,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:32:10,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,435 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-11-21 04:32:10,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:10,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:32:10,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:32:10,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:32:10,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:32:10,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:32:10,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:32:10,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:32:10,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:32:10,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:32:10,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:32:10,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0cdf31-0597-4396-aec5-2f420c14d2eb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:32:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:32:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:32:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:32:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:32:10,622 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:32:10,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:32:10,716 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:32:10,735 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:32:10,736 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 04:32:10,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:32:10 BoogieIcfgContainer [2021-11-21 04:32:10,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:32:10,739 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:32:10,740 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:32:10,750 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:32:10,750 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:32:10" (1/1) ... [2021-11-21 04:32:10,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:32:10,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-21 04:32:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-21 04:32:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:32:10,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:10,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-21 04:32:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-21 04:32:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:32:11,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-21 04:32:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-21 04:32:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:32:11,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-21 04:32:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-21 04:32:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:32:11,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-21 04:32:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-21 04:32:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:32:11,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-21 04:32:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-21 04:32:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:32:11,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:11,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-21 04:32:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-21 04:32:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 04:32:11,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:11,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-21 04:32:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-21 04:32:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 04:32:12,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:12,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-21 04:32:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-21 04:32:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 04:32:12,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:12,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-21 04:32:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-21 04:32:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 04:32:12,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:12,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:12,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-21 04:32:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-21 04:32:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 04:32:12,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:12,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:32:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-21 04:32:13,232 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-21 04:32:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 04:32:13,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:13,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 04:32:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-21 04:32:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-21 04:32:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 04:32:14,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:14,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 04:32:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-21 04:32:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-21 04:32:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 04:32:16,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:16,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-21 04:32:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2021-11-21 04:32:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-21 04:32:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 04:32:18,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:18,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-21 04:32:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2021-11-21 04:32:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2021-11-21 04:32:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 04:32:21,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:21,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-21 04:32:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-21 04:32:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-21 04:32:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 04:32:25,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:25,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-21 04:32:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-21 04:32:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-21 04:32:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 04:32:29,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:29,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:30,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-21 04:32:34,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-21 04:32:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-21 04:32:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 04:32:34,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-11-21 04:32:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2021-11-21 04:32:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-11-21 04:32:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 04:32:40,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:40,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-21 04:32:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-21 04:32:46,978 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-21 04:32:46,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 04:32:46,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:46,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 0 proven. 5500 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-21 04:32:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:32:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 139 states and 151 transitions. [2021-11-21 04:32:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2021-11-21 04:32:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 04:32:54,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:32:54,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:32:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:32:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7326 backedges. 0 proven. 6721 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-11-21 04:33:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 151 states and 164 transitions. [2021-11-21 04:33:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-11-21 04:33:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 04:33:02,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:02,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-11-21 04:33:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:11,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 163 states and 177 transitions. [2021-11-21 04:33:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2021-11-21 04:33:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 04:33:11,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:11,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-11-21 04:33:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 175 states and 190 transitions. [2021-11-21 04:33:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2021-11-21 04:33:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-21 04:33:22,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:22,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-21 04:33:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 187 states and 203 transitions. [2021-11-21 04:33:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 203 transitions. [2021-11-21 04:33:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-21 04:33:33,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:33,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2021-11-21 04:33:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:33:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-21 04:33:46,381 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-21 04:33:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 04:33:46,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:33:46,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:33:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:33:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2021-11-21 04:34:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 211 states and 229 transitions. [2021-11-21 04:34:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2021-11-21 04:34:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-21 04:34:00,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:00,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:03,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2021-11-21 04:34:15,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 223 states and 242 transitions. [2021-11-21 04:34:15,738 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2021-11-21 04:34:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-21 04:34:15,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:15,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-21 04:34:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2021-11-21 04:34:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2021-11-21 04:34:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-21 04:34:32,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:32,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-11-21 04:34:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:34:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 247 states and 268 transitions. [2021-11-21 04:34:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2021-11-21 04:34:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-21 04:34:50,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:34:50,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:34:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:34:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-11-21 04:35:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 259 states and 281 transitions. [2021-11-21 04:35:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2021-11-21 04:35:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-21 04:35:10,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:10,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2021-11-21 04:35:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 271 states and 294 transitions. [2021-11-21 04:35:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2021-11-21 04:35:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:35:31,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:31,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:35:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2021-11-21 04:35:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:35:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 283 states and 307 transitions. [2021-11-21 04:35:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-11-21 04:35:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-21 04:35:53,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:35:53,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:35:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2021-11-21 04:36:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 295 states and 320 transitions. [2021-11-21 04:36:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 320 transitions. [2021-11-21 04:36:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-21 04:36:18,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:18,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:25,807 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2021-11-21 04:36:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:36:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 307 states and 333 transitions. [2021-11-21 04:36:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 333 transitions. [2021-11-21 04:36:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-21 04:36:44,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:36:44,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:36:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:36:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2021-11-21 04:37:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 319 states and 346 transitions. [2021-11-21 04:37:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 346 transitions. [2021-11-21 04:37:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-21 04:37:13,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:13,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-11-21 04:37:43,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:37:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 331 states and 359 transitions. [2021-11-21 04:37:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 359 transitions. [2021-11-21 04:37:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-21 04:37:43,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:37:43,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:37:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:37:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-21 04:38:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 343 states and 372 transitions. [2021-11-21 04:38:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 372 transitions. [2021-11-21 04:38:15,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-21 04:38:15,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:15,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-21 04:38:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 355 states and 385 transitions. [2021-11-21 04:38:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 385 transitions. [2021-11-21 04:38:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-21 04:38:49,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:49,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-11-21 04:39:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 367 states and 398 transitions. [2021-11-21 04:39:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 398 transitions. [2021-11-21 04:39:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-21 04:39:26,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:26,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2021-11-21 04:40:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 379 states and 411 transitions. [2021-11-21 04:40:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions. [2021-11-21 04:40:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-21 04:40:06,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:06,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 58466 backedges. 0 proven. 56761 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2021-11-21 04:40:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 391 states and 424 transitions. [2021-11-21 04:40:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 424 transitions. [2021-11-21 04:40:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-21 04:40:48,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:48,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 62304 backedges. 0 proven. 60544 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2021-11-21 04:41:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 403 states and 437 transitions. [2021-11-21 04:41:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 437 transitions. [2021-11-21 04:41:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-21 04:41:32,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:32,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 66264 backedges. 0 proven. 64449 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-21 04:42:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 415 states and 450 transitions. [2021-11-21 04:42:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 450 transitions. [2021-11-21 04:42:17,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-21 04:42:17,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:17,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 70346 backedges. 0 proven. 68476 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2021-11-21 04:43:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 427 states and 463 transitions. [2021-11-21 04:43:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 463 transitions. [2021-11-21 04:43:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-21 04:43:05,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:05,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 74550 backedges. 0 proven. 72625 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2021-11-21 04:43:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 439 states and 476 transitions. [2021-11-21 04:43:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 476 transitions. [2021-11-21 04:43:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-21 04:43:56,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:56,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat