./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.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_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/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_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/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_5be6a84f-910a-4f20-a042-4ac9bafa622e/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 e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:27:22,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:27:22,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:27:22,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:27:22,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:27:22,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:27:22,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:27:22,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:27:22,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:27:22,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:27:22,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:27:22,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:27:22,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:27:22,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:27:22,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:27:22,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:27:22,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:27:22,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:27:22,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:27:22,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:27:22,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:27:22,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:27:22,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:27:22,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:27:22,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:27:22,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:27:22,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:27:22,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:27:22,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:27:22,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:27:22,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:27:22,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:27:22,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:27:22,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:27:22,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:27:22,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:27:22,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:27:22,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:27:22,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:27:22,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:27:22,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:27:22,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:27:22,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:27:22,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:27:22,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:27:22,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:27:22,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:27:22,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:27:22,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:27:22,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:27:22,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:27:22,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:27:22,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:27:22,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:27:22,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:27:22,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:27:22,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:27:22,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:27:22,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:27:22,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:27:22,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:27:22,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:27:22,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:27:22,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:22,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:27:22,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:27:22,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:27:22,950 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:27:22,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:27:22,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:27:22,951 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_5be6a84f-910a-4f20-a042-4ac9bafa622e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2021-11-23 00:27:23,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:27:23,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:27:23,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:27:23,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:27:23,296 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:27:23,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 00:27:23,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/data/01ef5b4a0/654fef6db74043239b4b653137e2ba1c/FLAGf783dd2e1 [2021-11-23 00:27:23,910 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:27:23,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 00:27:23,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/data/01ef5b4a0/654fef6db74043239b4b653137e2ba1c/FLAGf783dd2e1 [2021-11-23 00:27:24,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/data/01ef5b4a0/654fef6db74043239b4b653137e2ba1c [2021-11-23 00:27:24,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:27:24,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:27:24,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:24,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:27:24,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:27:24,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479a6960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24, skipping insertion in model container [2021-11-23 00:27:24,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:27:24,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:27:24,513 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_5be6a84f-910a-4f20-a042-4ac9bafa622e/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-23 00:27:24,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:24,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:27:24,564 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_5be6a84f-910a-4f20-a042-4ac9bafa622e/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2021-11-23 00:27:24,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:27:24,580 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:27:24,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24 WrapperNode [2021-11-23 00:27:24,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:27:24,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:24,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:27:24,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:27:24,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,626 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 217 [2021-11-23 00:27:24,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:27:24,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:27:24,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:27:24,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:27:24,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:27:24,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:27:24,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:27:24,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:27:24,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:24" (1/1) ... [2021-11-23 00:27:24,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:27:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:27:24,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:27:24,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be6a84f-910a-4f20-a042-4ac9bafa622e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:27:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:27:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:27:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:27:24,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:27:24,905 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:27:24,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:27:25,267 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:27:25,572 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:27:25,573 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:27:25,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:25 BoogieIcfgContainer [2021-11-23 00:27:25,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:27:25,577 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:27:25,577 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:27:25,587 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:27:25,588 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:25" (1/1) ... [2021-11-23 00:27:25,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:27:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:27:25,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:27:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:27:25,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:25,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:27:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:27:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:27:26,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:26,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-23 00:27:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-23 00:27:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:27:26,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:26,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:27,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 00:27:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 00:27:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:27:27,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:27,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-23 00:27:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-23 00:27:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:27:27,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-23 00:27:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 00:27:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:27:31,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:31,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 78 transitions. [2021-11-23 00:27:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2021-11-23 00:27:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:27:33,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:33,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:34,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2021-11-23 00:27:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2021-11-23 00:27:40,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:27:40,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:40,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2021-11-23 00:27:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-11-23 00:27:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:27:41,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:41,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 65 states and 141 transitions. [2021-11-23 00:27:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 141 transitions. [2021-11-23 00:27:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:27:49,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:49,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:27:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:27:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 75 states and 171 transitions. [2021-11-23 00:27:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 171 transitions. [2021-11-23 00:27:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:27:55,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:27:55,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:27:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:27:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 83 states and 199 transitions. [2021-11-23 00:28:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 199 transitions. [2021-11-23 00:28:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:00,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:00,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 90 states and 214 transitions. [2021-11-23 00:28:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 214 transitions. [2021-11-23 00:28:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:03,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:03,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:07,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 97 states and 226 transitions. [2021-11-23 00:28:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 226 transitions. [2021-11-23 00:28:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:07,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:07,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 98 states and 235 transitions. [2021-11-23 00:28:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 235 transitions. [2021-11-23 00:28:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:08,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:08,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:09,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 99 states and 237 transitions. [2021-11-23 00:28:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 237 transitions. [2021-11-23 00:28:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:28:09,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:09,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 100 states and 239 transitions. [2021-11-23 00:28:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 239 transitions. [2021-11-23 00:28:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:28:10,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:10,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 125 states and 303 transitions. [2021-11-23 00:28:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 303 transitions. [2021-11-23 00:28:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:28:51,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:51,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 132 states and 318 transitions. [2021-11-23 00:29:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 318 transitions. [2021-11-23 00:29:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:29:05,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:05,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 134 states and 323 transitions. [2021-11-23 00:29:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 323 transitions. [2021-11-23 00:29:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:29:11,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:11,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 159 states and 399 transitions. [2021-11-23 00:30:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 399 transitions. [2021-11-23 00:30:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:30:36,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 174 states and 443 transitions. [2021-11-23 00:31:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 443 transitions. [2021-11-23 00:31:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:31:30,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:30,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 188 states and 469 transitions. [2021-11-23 00:32:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 469 transitions. [2021-11-23 00:32:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:19,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:19,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 201 states and 487 transitions. [2021-11-23 00:32:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 487 transitions. [2021-11-23 00:32:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:59,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:59,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 203 states and 488 transitions. [2021-11-23 00:33:02,544 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 488 transitions. [2021-11-23 00:33:02,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:02,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:02,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 204 states and 492 transitions. [2021-11-23 00:33:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 492 transitions. [2021-11-23 00:33:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:33:05,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:05,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:33:21,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 211 states and 519 transitions. [2021-11-23 00:33:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 519 transitions. [2021-11-23 00:33:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:33:21,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:21,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:33:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 212 states and 521 transitions. [2021-11-23 00:33:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 521 transitions. [2021-11-23 00:33:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:33:24,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:24,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:33:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 215 states and 528 transitions. [2021-11-23 00:33:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 528 transitions. [2021-11-23 00:33:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:33:29,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:29,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 230 states and 570 transitions. [2021-11-23 00:33:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 570 transitions. [2021-11-23 00:33:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:33:58,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:29,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 241 states and 590 transitions. [2021-11-23 00:34:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 590 transitions. [2021-11-23 00:34:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:34:29,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:29,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 248 states and 602 transitions. [2021-11-23 00:34:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 602 transitions. [2021-11-23 00:34:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:34:40,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:40,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 256 states and 617 transitions. [2021-11-23 00:34:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 617 transitions. [2021-11-23 00:34:58,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:34:58,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:58,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 257 states and 635 transitions. [2021-11-23 00:35:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 635 transitions. [2021-11-23 00:35:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:02,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:02,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 258 states and 636 transitions. [2021-11-23 00:35:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 636 transitions. [2021-11-23 00:35:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:35:05,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 259 states and 637 transitions. [2021-11-23 00:35:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 637 transitions. [2021-11-23 00:35:08,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:35:08,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 300 states and 775 transitions. [2021-11-23 00:39:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 775 transitions. [2021-11-23 00:39:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:39:11,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:11,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.