./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.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_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/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_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/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_a06b6e0c-1501-4799-84b5-b03902cc7090/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 f7497e4203b86f15acb74ef94ae3bce6255aa8233294110bb99f24cde0725dc7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:17:43,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:17:43,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:17:43,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:17:43,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:17:43,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:17:43,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:17:43,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:17:43,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:17:43,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:17:43,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:17:43,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:17:43,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:17:43,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:17:43,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:17:43,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:17:43,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:17:43,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:17:43,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:17:43,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:17:43,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:17:43,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:17:43,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:17:43,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:17:43,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:17:43,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:17:43,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:17:43,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:17:43,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:17:43,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:17:43,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:17:43,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:17:43,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:17:43,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:17:43,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:17:43,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:17:43,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:17:43,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:17:43,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:17:43,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:17:43,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:17:43,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:17:44,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:17:44,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:17:44,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:17:44,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:17:44,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:17:44,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:17:44,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:17:44,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:17:44,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:17:44,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:17:44,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:17:44,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:17:44,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:17:44,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:17:44,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:17:44,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:17:44,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:17:44,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:17:44,030 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:17:44,030 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:17:44,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:17:44,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:44,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:17:44,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:17:44,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:17:44,031 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:17:44,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:17:44,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:17:44,032 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_a06b6e0c-1501-4799-84b5-b03902cc7090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7497e4203b86f15acb74ef94ae3bce6255aa8233294110bb99f24cde0725dc7 [2021-11-23 01:17:44,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:17:44,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:17:44,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:17:44,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:17:44,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:17:44,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c [2021-11-23 01:17:44,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/data/5a2d3e2a3/81ad5405d4c947b19da90ce4750d38a3/FLAG09c1f0090 [2021-11-23 01:17:44,941 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:17:44,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c [2021-11-23 01:17:44,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/data/5a2d3e2a3/81ad5405d4c947b19da90ce4750d38a3/FLAG09c1f0090 [2021-11-23 01:17:45,275 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/data/5a2d3e2a3/81ad5405d4c947b19da90ce4750d38a3 [2021-11-23 01:17:45,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:17:45,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:17:45,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:45,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:17:45,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:17:45,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cff8b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45, skipping insertion in model container [2021-11-23 01:17:45,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:17:45,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:17:45,582 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_a06b6e0c-1501-4799-84b5-b03902cc7090/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c[11233,11246] [2021-11-23 01:17:45,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:45,596 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:17:45,648 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_a06b6e0c-1501-4799-84b5-b03902cc7090/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.BOUNDED-10.pals.c[11233,11246] [2021-11-23 01:17:45,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:17:45,665 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:17:45,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45 WrapperNode [2021-11-23 01:17:45,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:17:45,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:45,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:17:45,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:17:45,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,746 INFO L137 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 333 [2021-11-23 01:17:45,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:17:45,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:17:45,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:17:45,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:17:45,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:17:45,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:17:45,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:17:45,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:17:45,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:17:45" (1/1) ... [2021-11-23 01:17:45,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:17:45,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:17:45,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:17:45,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06b6e0c-1501-4799-84b5-b03902cc7090/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:17:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:17:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:17:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:17:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:17:46,052 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:17:46,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:17:46,589 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:17:47,070 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:17:47,070 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:17:47,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:47 BoogieIcfgContainer [2021-11-23 01:17:47,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:17:47,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:17:47,074 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:17:47,084 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:17:47,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:17:47" (1/1) ... [2021-11-23 01:17:47,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:17:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:17:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:17:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:17:47,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:17:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:17:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:47,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:47,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2021-11-23 01:17:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2021-11-23 01:17:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:17:48,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:48,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 01:17:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:17:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:17:49,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:49,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2021-11-23 01:17:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:17:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:17:49,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:49,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:50,987 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 01:17:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2021-11-23 01:17:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2021-11-23 01:17:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:17:54,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:54,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:56,406 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 01:18:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2021-11-23 01:18:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2021-11-23 01:18:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:18:03,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:03,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:03,761 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 01:18:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2021-11-23 01:18:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-11-23 01:18:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:18:09,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:09,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:10,069 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 01:18:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 110 transitions. [2021-11-23 01:18:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 110 transitions. [2021-11-23 01:18:10,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:10,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:11,553 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 01:18:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2021-11-23 01:18:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2021-11-23 01:18:18,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:18,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:18,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:18,753 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 01:18:19,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:19,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 156 transitions. [2021-11-23 01:18:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 156 transitions. [2021-11-23 01:18:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:19,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:19,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:19,849 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 01:18:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 84 states and 187 transitions. [2021-11-23 01:18:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 187 transitions. [2021-11-23 01:18:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:23,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,351 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 01:18:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 92 states and 216 transitions. [2021-11-23 01:18:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 216 transitions. [2021-11-23 01:18:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:27,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,888 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 01:18:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2021-11-23 01:18:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2021-11-23 01:18:28,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:28,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,697 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 01:18:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 95 states and 224 transitions. [2021-11-23 01:18:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 224 transitions. [2021-11-23 01:18:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:29,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:29,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,493 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 01:18:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 100 states and 240 transitions. [2021-11-23 01:18:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 240 transitions. [2021-11-23 01:18:31,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:31,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:31,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:31,712 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 01:18:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 102 states and 246 transitions. [2021-11-23 01:18:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 246 transitions. [2021-11-23 01:18:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:18:32,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:32,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:47,568 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 01:19:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 127 states and 326 transitions. [2021-11-23 01:19:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 326 transitions. [2021-11-23 01:19:46,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:19:46,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,889 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 01:20:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 132 states and 347 transitions. [2021-11-23 01:20:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 347 transitions. [2021-11-23 01:20:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:06,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:06,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:15,825 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 01:20:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 134 states and 358 transitions. [2021-11-23 01:20:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 358 transitions. [2021-11-23 01:20:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:20:18,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:18,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:27,565 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 01:20:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 136 states and 368 transitions. [2021-11-23 01:20:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 368 transitions. [2021-11-23 01:20:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:20:30,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:30,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:31,790 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 01:21:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 158 states and 414 transitions. [2021-11-23 01:21:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 414 transitions. [2021-11-23 01:21:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:21:18,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:18,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:57,594 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 01:24:23,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:24:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 183 states and 489 transitions. [2021-11-23 01:24:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 489 transitions. [2021-11-23 01:24:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:57,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,960 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 01:25:44,845 WARN L227 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 393 DAG size of output: 393 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:26:00,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:26:38,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 192 states and 530 transitions. [2021-11-23 01:26:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 530 transitions. [2021-11-23 01:26:38,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:26:38,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,464 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 01:26:51,740 WARN L227 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 400 DAG size of output: 399 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:27:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 193 states and 532 transitions. [2021-11-23 01:27:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 532 transitions. [2021-11-23 01:27:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:27:03,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:03,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,206 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 01:27:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 194 states and 538 transitions. [2021-11-23 01:27:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 538 transitions. [2021-11-23 01:27:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:27:08,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,513 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 01:27:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 202 states and 566 transitions. [2021-11-23 01:27:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 566 transitions. [2021-11-23 01:27:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:27:39,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:39,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:40,160 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 01:27:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 203 states and 571 transitions. [2021-11-23 01:27:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 571 transitions. [2021-11-23 01:27:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:27:44,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:44,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,787 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 01:28:36,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:28:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 206 states and 581 transitions. [2021-11-23 01:28:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 581 transitions. [2021-11-23 01:28:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:36,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:36,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:37,082 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 01:28:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 213 states and 598 transitions. [2021-11-23 01:28:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 598 transitions. [2021-11-23 01:28:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:28:52,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:52,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:52,500 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 01:29:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 221 states and 618 transitions. [2021-11-23 01:29:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 618 transitions. [2021-11-23 01:29:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:29:31,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:31,477 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 01:30:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 227 states and 640 transitions. [2021-11-23 01:30:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 640 transitions. [2021-11-23 01:30:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:30:13,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:13,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat