./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_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_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/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_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/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_35311328-6127-46a6-87d5-6a84556f3ccb/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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:11:02,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:11:02,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:11:03,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:11:03,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:11:03,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:11:03,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:11:03,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:11:03,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:11:03,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:11:03,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:11:03,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:11:03,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:11:03,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:11:03,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:11:03,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:11:03,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:11:03,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:11:03,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:11:03,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:11:03,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:11:03,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:11:03,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:11:03,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:11:03,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:11:03,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:11:03,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:11:03,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:11:03,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:11:03,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:11:03,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:11:03,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:11:03,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:11:03,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:11:03,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:11:03,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:11:03,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:11:03,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:11:03,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:11:03,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:11:03,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:11:03,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:11:03,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:11:03,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:11:03,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:11:03,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:11:03,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:11:03,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:11:03,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:11:03,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:11:03,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:11:03,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:11:03,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:11:03,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:11:03,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:11:03,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:11:03,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:11:03,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:11:03,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:11:03,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:11:03,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:11:03,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:11:03,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:11:03,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:11:03,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:11:03,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:11:03,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:11:03,149 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:11:03,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:11:03,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:11:03,150 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_35311328-6127-46a6-87d5-6a84556f3ccb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2021-11-22 23:11:03,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:11:03,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:11:03,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:11:03,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:11:03,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:11:03,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-22 23:11:03,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/data/26a932180/d05b80c3182d465299f9c6a7df848a62/FLAG3b064f929 [2021-11-22 23:11:04,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:11:04,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-11-22 23:11:04,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/data/26a932180/d05b80c3182d465299f9c6a7df848a62/FLAG3b064f929 [2021-11-22 23:11:04,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/data/26a932180/d05b80c3182d465299f9c6a7df848a62 [2021-11-22 23:11:04,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:11:04,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:11:04,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:11:04,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:11:04,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:11:04,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e087fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04, skipping insertion in model container [2021-11-22 23:11:04,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:11:04,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:11:04,651 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_35311328-6127-46a6-87d5-6a84556f3ccb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-22 23:11:04,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:11:04,664 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:11:04,724 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_35311328-6127-46a6-87d5-6a84556f3ccb/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-11-22 23:11:04,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:11:04,741 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:11:04,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04 WrapperNode [2021-11-22 23:11:04,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:11:04,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:11:04,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:11:04,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:11:04,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,805 INFO L137 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 388 [2021-11-22 23:11:04,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:11:04,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:11:04,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:11:04,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:11:04,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:11:04,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:11:04,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:11:04,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:11:04,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:11:04" (1/1) ... [2021-11-22 23:11:04,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:11:04,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:11:04,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:11:04,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35311328-6127-46a6-87d5-6a84556f3ccb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:11:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:11:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:11:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:11:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:11:05,140 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:11:05,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:11:05,736 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:11:06,405 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:11:06,405 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:11:06,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:11:06 BoogieIcfgContainer [2021-11-22 23:11:06,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:11:06,409 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:11:06,409 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:11:06,420 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:11:06,421 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:11:06" (1/1) ... [2021-11-22 23:11:06,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:11:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:11:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:11:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:11:06,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:07,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-22 23:11:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-22 23:11:07,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:11:07,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-22 23:11:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-22 23:11:07,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:11:07,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:07,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-22 23:11:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-22 23:11:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:11:08,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:08,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-22 23:11:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-22 23:11:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:11:09,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:09,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2021-11-22 23:11:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-22 23:11:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:11:16,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:16,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 42 states and 75 transitions. [2021-11-22 23:11:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 75 transitions. [2021-11-22 23:11:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:11:25,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:25,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:31,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2021-11-22 23:11:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2021-11-22 23:11:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:11:31,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:31,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2021-11-22 23:11:32,882 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2021-11-22 23:11:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:11:32,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:32,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2021-11-22 23:11:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2021-11-22 23:11:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:11:44,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:44,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 84 states and 177 transitions. [2021-11-22 23:11:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 177 transitions. [2021-11-22 23:11:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:11:53,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:53,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 92 states and 196 transitions. [2021-11-22 23:11:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 196 transitions. [2021-11-22 23:11:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:11:58,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:58,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 94 states and 200 transitions. [2021-11-22 23:12:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 200 transitions. [2021-11-22 23:12:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:12:00,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:00,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 96 states and 206 transitions. [2021-11-22 23:12:01,556 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 206 transitions. [2021-11-22 23:12:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:12:01,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:01,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 97 states and 208 transitions. [2021-11-22 23:12:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 208 transitions. [2021-11-22 23:12:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:12:02,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:02,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 98 states and 210 transitions. [2021-11-22 23:12:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 210 transitions. [2021-11-22 23:12:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:12:03,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:12:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 98 states and 209 transitions. [2021-11-22 23:12:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 209 transitions. [2021-11-22 23:12:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:12:04,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:04,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 123 states and 275 transitions. [2021-11-22 23:13:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 275 transitions. [2021-11-22 23:13:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:13:27,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:27,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 127 states and 285 transitions. [2021-11-22 23:13:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 285 transitions. [2021-11-22 23:13:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:13:46,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:46,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 128 states and 285 transitions. [2021-11-22 23:13:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 285 transitions. [2021-11-22 23:13:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:13:57,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:16:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 153 states and 345 transitions. [2021-11-22 23:16:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 345 transitions. [2021-11-22 23:16:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:16:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:28,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 162 states and 373 transitions. [2021-11-22 23:17:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 373 transitions. [2021-11-22 23:17:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:17:35,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 170 states and 406 transitions. [2021-11-22 23:17:47,567 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 406 transitions. [2021-11-22 23:17:47,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:17:47,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 177 states and 417 transitions. [2021-11-22 23:18:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 417 transitions. [2021-11-22 23:18:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:09,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:09,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 183 states and 428 transitions. [2021-11-22 23:18:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 428 transitions. [2021-11-22 23:18:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:37,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 184 states and 429 transitions. [2021-11-22 23:19:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 429 transitions. [2021-11-22 23:19:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:19:02,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 190 states and 436 transitions. [2021-11-22 23:19:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 436 transitions. [2021-11-22 23:19:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:19:17,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 191 states and 441 transitions. [2021-11-22 23:19:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 441 transitions. [2021-11-22 23:19:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:19:42,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:42,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 192 states and 443 transitions. [2021-11-22 23:19:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 443 transitions. [2021-11-22 23:19:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:19:44,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:13,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 193 states and 443 transitions. [2021-11-22 23:20:13,946 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 443 transitions. [2021-11-22 23:20:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:20:13,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:13,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 206 states and 503 transitions. [2021-11-22 23:21:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 503 transitions. [2021-11-22 23:21:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:21:05,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:05,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:05,879 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 213 states and 521 transitions. [2021-11-22 23:21:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 521 transitions. [2021-11-22 23:21:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:21:21,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,696 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 214 states and 524 transitions. [2021-11-22 23:21:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 524 transitions. [2021-11-22 23:21:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:21:23,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:23,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 220 states and 532 transitions. [2021-11-22 23:21:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 532 transitions. [2021-11-22 23:21:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:21:37,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:37,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 218 states and 529 transitions. [2021-11-22 23:21:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 529 transitions. [2021-11-22 23:21:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:21:42,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 227 states and 576 transitions. [2021-11-22 23:22:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 576 transitions. [2021-11-22 23:22:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:22:11,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:11,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 239 states and 618 transitions. [2021-11-22 23:22:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 618 transitions. [2021-11-22 23:22:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:22:47,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:47,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 244 states and 634 transitions. [2021-11-22 23:23:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 634 transitions. [2021-11-22 23:23:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:00,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 250 states and 657 transitions. [2021-11-22 23:23:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 657 transitions. [2021-11-22 23:23:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:11,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:11,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.