./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.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_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/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_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/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_c32ddedc-a15f-4671-b906-7d8ccac52f19/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 708f088db085ec098a8544d76f8abbece9dbe61a183e0bc1703749c9af891b6b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:18:59,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:18:59,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:19:00,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:19:00,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:19:00,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:19:00,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:19:00,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:19:00,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:19:00,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:19:00,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:19:00,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:19:00,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:19:00,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:19:00,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:19:00,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:19:00,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:19:00,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:19:00,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:19:00,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:19:00,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:19:00,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:19:00,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:19:00,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:19:00,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:19:00,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:19:00,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:19:00,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:19:00,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:19:00,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:19:00,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:19:00,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:19:00,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:19:00,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:19:00,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:19:00,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:19:00,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:19:00,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:19:00,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:19:00,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:19:00,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:19:00,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:19:00,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:19:00,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:19:00,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:19:00,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:19:00,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:19:00,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:19:00,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:19:00,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:19:00,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:19:00,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:19:00,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:19:00,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:19:00,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:19:00,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:19:00,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:19:00,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:19:00,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:19:00,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:19:00,152 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:19:00,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:19:00,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:19:00,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:00,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:19:00,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:19:00,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:19:00,154 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:19:00,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:19:00,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:19:00,155 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_c32ddedc-a15f-4671-b906-7d8ccac52f19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 708f088db085ec098a8544d76f8abbece9dbe61a183e0bc1703749c9af891b6b [2021-11-23 01:19:00,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:19:00,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:19:00,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:19:00,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:19:00,496 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:19:00,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2021-11-23 01:19:00,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/data/421bc2193/89f068f6840049909d0aa1d54a24c781/FLAG51f8488c4 [2021-11-23 01:19:01,144 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:19:01,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c [2021-11-23 01:19:01,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/data/421bc2193/89f068f6840049909d0aa1d54a24c781/FLAG51f8488c4 [2021-11-23 01:19:01,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/data/421bc2193/89f068f6840049909d0aa1d54a24c781 [2021-11-23 01:19:01,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:19:01,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:19:01,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:01,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:19:01,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:19:01,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:01,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4025471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01, skipping insertion in model container [2021-11-23 01:19:01,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:01,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:19:01,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:19:01,805 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_c32ddedc-a15f-4671-b906-7d8ccac52f19/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c[12764,12777] [2021-11-23 01:19:01,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:01,817 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:19:01,909 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_c32ddedc-a15f-4671-b906-7d8ccac52f19/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c[12764,12777] [2021-11-23 01:19:01,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:01,941 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:19:01,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01 WrapperNode [2021-11-23 01:19:01,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:01,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:01,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:19:01,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:19:01,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:01,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,019 INFO L137 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 441 [2021-11-23 01:19:02,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:02,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:19:02,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:19:02,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:19:02,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:19:02,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:19:02,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:19:02,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:19:02,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:01" (1/1) ... [2021-11-23 01:19:02,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:19:02,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:19:02,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:19:02,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:19:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:19:02,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:19:02,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:19:02,349 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:19:02,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:19:02,990 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:19:03,518 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:19:03,518 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:19:03,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:03 BoogieIcfgContainer [2021-11-23 01:19:03,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:19:03,524 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:19:03,524 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:19:03,535 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:19:03,535 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:03" (1/1) ... [2021-11-23 01:19:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:19:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:03,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:19:03,616 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:19:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:19:03,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:03,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,374 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 01:19:04,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:04,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 01:19:04,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:19:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:19:04,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:04,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:04,820 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 01:19:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2021-11-23 01:19:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2021-11-23 01:19:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:19:05,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:05,445 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 01:19:05,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2021-11-23 01:19:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2021-11-23 01:19:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:19:05,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:05,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:06,169 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 01:19:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2021-11-23 01:19:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2021-11-23 01:19:06,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:06,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:06,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:07,190 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 01:19:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2021-11-23 01:19:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2021-11-23 01:19:08,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:19:08,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:08,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:08,451 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 01:19:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2021-11-23 01:19:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2021-11-23 01:19:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:19:09,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:09,717 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 01:19:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:09,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2021-11-23 01:19:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2021-11-23 01:19:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:09,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:09,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:10,301 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 01:19:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2021-11-23 01:19:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2021-11-23 01:19:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:19:12,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,462 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 01:19:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2021-11-23 01:19:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2021-11-23 01:19:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:19:12,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:12,798 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 01:19:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2021-11-23 01:19:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2021-11-23 01:19:12,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:19:12,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:12,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:13,805 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 01:19:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2021-11-23 01:19:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2021-11-23 01:19:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:18,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 91 states and 184 transitions. [2021-11-23 01:19:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 184 transitions. [2021-11-23 01:19:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:19:23,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:23,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 92 states and 185 transitions. [2021-11-23 01:19:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2021-11-23 01:19:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:19:24,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:24,799 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 01:19:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 104 states and 209 transitions. [2021-11-23 01:19:29,705 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 209 transitions. [2021-11-23 01:19:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:19:29,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:29,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:29,978 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 01:19:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 105 states and 213 transitions. [2021-11-23 01:19:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 213 transitions. [2021-11-23 01:19:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:19:30,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,716 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 01:19:31,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 106 states and 214 transitions. [2021-11-23 01:19:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 214 transitions. [2021-11-23 01:19:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:31,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:31,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:39,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 124 states and 257 transitions. [2021-11-23 01:19:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 257 transitions. [2021-11-23 01:19:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:39,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:39,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 125 states and 260 transitions. [2021-11-23 01:19:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 260 transitions. [2021-11-23 01:19:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:40,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:40,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 127 states and 263 transitions. [2021-11-23 01:19:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 263 transitions. [2021-11-23 01:19:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:41,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,287 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 128 states and 268 transitions. [2021-11-23 01:19:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 268 transitions. [2021-11-23 01:19:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:41,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 129 states and 272 transitions. [2021-11-23 01:19:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 272 transitions. [2021-11-23 01:19:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:42,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:42,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:42,988 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:19:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:43,519 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:19:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:43,732 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2021-11-23 01:19:43,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:19:43 ImpRootNode [2021-11-23 01:19:43,929 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:19:43,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:19:43,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:19:43,930 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:19:43,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:03" (3/4) ... [2021-11-23 01:19:43,932 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:19:44,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:19:44,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:19:44,085 INFO L158 Benchmark]: Toolchain (without parser) took 42597.46ms. Allocated memory was 96.5MB in the beginning and 377.5MB in the end (delta: 281.0MB). Free memory was 62.2MB in the beginning and 277.9MB in the end (delta: -215.7MB). Peak memory consumption was 64.8MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,086 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:19:44,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.04ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 65.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.64ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 62.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,087 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 60.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,087 INFO L158 Benchmark]: RCFGBuilder took 1439.87ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 45.1MB in the end (delta: 15.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,088 INFO L158 Benchmark]: CodeCheck took 40404.53ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 45.1MB in the beginning and 290.5MB in the end (delta: -245.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,088 INFO L158 Benchmark]: Witness Printer took 155.58ms. Allocated memory is still 377.5MB. Free memory was 290.5MB in the beginning and 277.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:19:44,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.2s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2780 SdHoareTripleChecker+Valid, 22.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2140 mSDsluCounter, 973 SdHoareTripleChecker+Invalid, 19.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 612 mSDsCounter, 1089 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7939 IncrementalHoareTripleChecker+Invalid, 9028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1089 mSolverCounterUnsat, 361 mSDtfsCounter, 7939 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3635 GetRequests, 3098 SyntacticMatches, 135 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88828 ImplicationChecksByTransitivity, 30.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 377 NumberOfCodeBlocks, 377 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 4845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 22/67 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 555]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] msg_t nomsg = (msg_t )-1; [L25] port_t p12 ; [L26] char p12_old ; [L27] char p12_new ; [L28] _Bool ep12 ; [L29] port_t p13 ; [L30] char p13_old ; [L31] char p13_new ; [L32] _Bool ep13 ; [L33] port_t p21 ; [L34] char p21_old ; [L35] char p21_new ; [L36] _Bool ep21 ; [L37] port_t p23 ; [L38] char p23_old ; [L39] char p23_new ; [L40] _Bool ep23 ; [L41] port_t p31 ; [L42] char p31_old ; [L43] char p31_new ; [L44] _Bool ep31 ; [L45] port_t p32 ; [L46] char p32_old ; [L47] char p32_new ; [L48] _Bool ep32 ; [L49] char id1 ; [L50] char r1 ; [L51] char st1 ; [L52] char nl1 ; [L53] char m1 ; [L54] char max1 ; [L55] _Bool mode1 ; [L56] char id2 ; [L57] char r2 ; [L58] char st2 ; [L59] char nl2 ; [L60] char m2 ; [L61] char max2 ; [L62] _Bool mode2 ; [L63] char id3 ; [L64] char r3 ; [L65] char st3 ; [L66] char nl3 ; [L67] char m3 ; [L68] char max3 ; [L69] _Bool mode3 ; [L476] int c1 ; [L477] int i2 ; [L480] c1 = 0 [L481] ep12 = __VERIFIER_nondet_bool() [L482] ep13 = __VERIFIER_nondet_bool() [L483] ep21 = __VERIFIER_nondet_bool() [L484] ep23 = __VERIFIER_nondet_bool() [L485] ep31 = __VERIFIER_nondet_bool() [L486] ep32 = __VERIFIER_nondet_bool() [L487] id1 = __VERIFIER_nondet_char() [L488] r1 = __VERIFIER_nondet_char() [L489] st1 = __VERIFIER_nondet_char() [L490] nl1 = __VERIFIER_nondet_char() [L491] m1 = __VERIFIER_nondet_char() [L492] max1 = __VERIFIER_nondet_char() [L493] mode1 = __VERIFIER_nondet_bool() [L494] id2 = __VERIFIER_nondet_char() [L495] r2 = __VERIFIER_nondet_char() [L496] st2 = __VERIFIER_nondet_char() [L497] nl2 = __VERIFIER_nondet_char() [L498] m2 = __VERIFIER_nondet_char() [L499] max2 = __VERIFIER_nondet_char() [L500] mode2 = __VERIFIER_nondet_bool() [L501] id3 = __VERIFIER_nondet_char() [L502] r3 = __VERIFIER_nondet_char() [L503] st3 = __VERIFIER_nondet_char() [L504] nl3 = __VERIFIER_nondet_char() [L505] m3 = __VERIFIER_nondet_char() [L506] max3 = __VERIFIER_nondet_char() [L507] mode3 = __VERIFIER_nondet_bool() [L508] CALL, EXPR init() [L201] _Bool r121 ; [L202] _Bool r131 ; [L203] _Bool r211 ; [L204] _Bool r231 ; [L205] _Bool r311 ; [L206] _Bool r321 ; [L207] _Bool r122 ; [L208] int tmp ; [L209] _Bool r132 ; [L210] int tmp___0 ; [L211] _Bool r212 ; [L212] int tmp___1 ; [L213] _Bool r232 ; [L214] int tmp___2 ; [L215] _Bool r312 ; [L216] int tmp___3 ; [L217] _Bool r322 ; [L218] int tmp___4 ; [L219] int tmp___5 ; [L222] r121 = ep12 [L223] r131 = ep13 [L224] r211 = ep21 [L225] r231 = ep23 [L226] r311 = ep31 [L227] r321 = ep32 [L228] COND TRUE \read(r121) [L229] tmp = 1 [L240] r122 = (_Bool )tmp [L241] COND TRUE \read(r131) [L242] tmp___0 = 1 [L253] r132 = (_Bool )tmp___0 [L254] COND TRUE \read(r211) [L255] tmp___1 = 1 [L266] r212 = (_Bool )tmp___1 [L267] COND TRUE \read(r231) [L268] tmp___2 = 1 [L279] r232 = (_Bool )tmp___2 [L280] COND FALSE !(\read(r311)) [L283] COND TRUE \read(r321) [L284] COND TRUE \read(ep21) [L285] tmp___3 = 1 [L292] r312 = (_Bool )tmp___3 [L293] COND TRUE \read(r321) [L294] tmp___4 = 1 [L305] r322 = (_Bool )tmp___4 [L306] COND TRUE (int )id1 != (int )id2 [L307] COND TRUE (int )id1 != (int )id3 [L308] COND TRUE (int )id2 != (int )id3 [L309] COND TRUE (int )id1 >= 0 [L310] COND TRUE (int )id2 >= 0 [L311] COND TRUE (int )id3 >= 0 [L312] COND TRUE (int )r1 == 0 [L313] COND TRUE (int )r2 == 0 [L314] COND TRUE (int )r3 == 0 [L315] COND TRUE \read(r122) [L316] COND TRUE \read(r132) [L317] COND TRUE \read(r212) [L318] COND TRUE \read(r232) [L319] COND TRUE \read(r312) [L320] COND TRUE \read(r322) [L321] COND TRUE (int )max1 == (int )id1 [L322] COND TRUE (int )max2 == (int )id2 [L323] COND TRUE (int )max3 == (int )id3 [L324] COND TRUE (int )st1 == 0 [L325] COND TRUE (int )st2 == 0 [L326] COND TRUE (int )st3 == 0 [L327] COND TRUE (int )nl1 == 0 [L328] COND TRUE (int )nl2 == 0 [L329] COND TRUE (int )nl3 == 0 [L330] COND TRUE (int )mode1 == 0 [L331] COND TRUE (int )mode2 == 0 [L332] COND TRUE (int )mode3 == 0 [L333] tmp___5 = 1 [L415] return (tmp___5); [L508] RET, EXPR init() [L508] i2 = init() [L509] COND FALSE !(!(i2)) [L510] p12_old = nomsg [L511] p12_new = nomsg [L512] p13_old = nomsg [L513] p13_new = nomsg [L514] p21_old = nomsg [L515] p21_new = nomsg [L516] p23_old = nomsg [L517] p23_new = nomsg [L518] p31_old = nomsg [L519] p31_new = nomsg [L520] p32_old = nomsg [L521] p32_new = nomsg [L522] i2 = 0 VAL [c1=0, ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, i2=0, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L523] COND TRUE i2 < 6 [L525] CALL node1() [L75] COND FALSE !(\read(mode1)) [L100] COND TRUE (int )r1 < 2 [L101] COND TRUE \read(ep12) [L102] EXPR max1 != nomsg && p12_new == nomsg ? max1 : p12_new [L102] p12_new = max1 != nomsg && p12_new == nomsg ? max1 : p12_new [L104] COND TRUE \read(ep13) [L105] EXPR max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L105] p13_new = max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L108] mode1 = (_Bool)1 [L525] RET node1() [L526] CALL node2() [L118] COND FALSE !(\read(mode2)) [L143] COND TRUE (int )r2 < 2 [L144] COND TRUE \read(ep21) [L145] EXPR max2 != nomsg && p21_new == nomsg ? max2 : p21_new [L145] p21_new = max2 != nomsg && p21_new == nomsg ? max2 : p21_new [L147] COND TRUE \read(ep23) [L148] EXPR max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L148] p23_new = max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L151] mode2 = (_Bool)1 [L526] RET node2() [L527] CALL node3() [L161] COND FALSE !(\read(mode3)) [L186] COND TRUE (int )r3 < 2 [L187] COND FALSE !(\read(ep31)) [L190] COND TRUE \read(ep32) [L191] EXPR max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L191] p32_new = max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L194] mode3 = (_Bool)1 [L527] RET node3() [L528] p12_old = p12_new [L529] p12_new = nomsg [L530] p13_old = p13_new [L531] p13_new = nomsg [L532] p21_old = p21_new [L533] p21_new = nomsg [L534] p23_old = p23_new [L535] p23_new = nomsg [L536] p31_old = p31_new [L537] p31_new = nomsg [L538] p32_old = p32_new [L539] p32_new = nomsg [L540] CALL, EXPR check() [L420] int tmp ; VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L423] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L424] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L425] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L426] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L427] COND FALSE !((int )r1 >= 2) VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L430] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L432] COND TRUE (int )r1 < 2 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L437] COND FALSE !((int )r1 >= 2) VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L440] COND TRUE ((int )nl1 + (int )nl2) + (int )nl3 == 0 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L442] COND TRUE (int )r1 < 2 [L443] tmp = 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0, tmp=1] [L471] return (tmp); [L540] RET, EXPR check() [L540] c1 = check() [L541] CALL assert(c1) [L553] COND FALSE !(! arg) VAL [\old(arg)=1, arg=1, ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L541] RET assert(c1) [L542] i2 ++ VAL [c1=1, ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, i2=1, id1=124, id2=0, id3=123, m1=-1, m2=125, m3=-1, max1=124, max2=0, max3=123, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=124, p13=0, p13_new=-1, p13_old=124, p21=0, p21_new=-1, p21_old=0, p23=0, p23_new=-1, p23_old=0, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=123, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L523] COND TRUE i2 < 6 [L525] CALL node1() [L75] COND TRUE \read(mode1) [L76] r1 = (char )((int )r1 + 1) [L77] COND TRUE \read(ep21) [L78] m1 = p21_old [L79] p21_old = nomsg [L80] COND FALSE !((int )m1 > (int )max1) [L84] COND FALSE !(\read(ep31)) [L91] COND TRUE (int )r1 == 1 [L92] COND TRUE (int )max1 == (int )id1 [L93] st1 = (char)1 [L98] mode1 = (_Bool)0 [L525] RET node1() [L526] CALL node2() [L118] COND TRUE \read(mode2) [L119] r2 = (char )((int )r2 + 1) [L120] COND TRUE \read(ep12) [L121] m2 = p12_old [L122] p12_old = nomsg [L123] COND TRUE (int )m2 > (int )max2 [L124] max2 = m2 [L127] COND TRUE \read(ep32) [L128] m2 = p32_old [L129] p32_old = nomsg [L130] COND FALSE !((int )m2 > (int )max2) [L134] COND FALSE !((int )r2 == 2) [L141] mode2 = (_Bool)0 [L526] RET node2() [L527] CALL node3() [L161] COND TRUE \read(mode3) [L162] r3 = (char )((int )r3 + 1) [L163] COND TRUE \read(ep13) [L164] m3 = p13_old [L165] p13_old = nomsg [L166] COND TRUE (int )m3 > (int )max3 [L167] max3 = m3 [L170] COND TRUE \read(ep23) [L171] m3 = p23_old [L172] p23_old = nomsg [L173] COND FALSE !((int )m3 > (int )max3) [L177] COND FALSE !((int )r3 == 2) [L184] mode3 = (_Bool)0 [L527] RET node3() [L528] p12_old = p12_new [L529] p12_new = nomsg [L530] p13_old = p13_new [L531] p13_new = nomsg [L532] p21_old = p21_new [L533] p21_new = nomsg [L534] p23_old = p23_new [L535] p23_new = nomsg [L536] p31_old = p31_new [L537] p31_new = nomsg [L538] p32_old = p32_new [L539] p32_new = nomsg [L540] CALL, EXPR check() [L420] int tmp ; VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L423] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L424] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L425] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L426] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L427] COND FALSE !((int )r1 >= 2) VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L430] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 0) [L457] tmp = 0 VAL [ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0, tmp=0] [L471] return (tmp); [L540] RET, EXPR check() [L540] c1 = check() [L541] CALL assert(c1) [L553] COND TRUE ! arg VAL [\old(arg)=0, arg=0, ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] [L555] reach_error() VAL [\old(arg)=0, arg=0, ep12=1, ep13=255, ep21=255, ep23=1, ep31=0, ep32=1, id1=124, id2=0, id3=123, m1=0, m2=123, m3=0, max1=124, max2=124, max3=124, mode1=0, mode2=0, mode3=0, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=-1, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=-1, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=-1, r1=1, r2=1, r3=1, st1=1, st2=0, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.04ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 65.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.64ms. Allocated memory is still 96.5MB. Free memory was 65.3MB in the beginning and 62.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 60.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1439.87ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 45.1MB in the end (delta: 15.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * CodeCheck took 40404.53ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 45.1MB in the beginning and 290.5MB in the end (delta: -245.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 155.58ms. Allocated memory is still 377.5MB. Free memory was 290.5MB in the beginning and 277.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:19:44,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c32ddedc-a15f-4671-b906-7d8ccac52f19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE