./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/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 a10c9e6583b7bb9620d063f223dce3a6f04929588e6f4ac23db6236ec494c7b2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:21:12,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:21:12,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:21:12,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:21:12,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:21:12,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:21:12,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:21:12,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:21:12,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:21:12,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:21:12,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:21:12,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:21:12,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:21:12,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:21:12,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:21:12,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:21:12,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:21:12,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:21:12,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:21:12,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:21:12,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:21:12,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:21:12,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:21:12,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:21:12,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:21:12,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:21:12,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:21:12,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:21:12,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:21:12,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:21:12,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:21:12,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:21:12,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:21:12,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:21:12,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:21:12,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:21:12,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:21:12,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:21:12,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:21:12,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:21:12,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:21:12,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:21:12,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:21:12,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:21:12,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:21:12,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:21:12,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:21:12,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:21:12,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:21:12,167 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:21:12,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:21:12,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:21:12,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:21:12,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:21:12,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:21:12,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:21:12,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:21:12,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:21:12,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:21:12,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:21:12,171 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:21:12,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:21:12,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:21:12,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:12,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:21:12,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:21:12,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:21:12,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:21:12,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:21:12,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:21:12,175 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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a10c9e6583b7bb9620d063f223dce3a6f04929588e6f4ac23db6236ec494c7b2 [2021-11-22 23:21:12,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:21:12,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:21:12,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:21:12,512 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:21:12,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:21:12,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:21:12,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/data/839f42114/d9d3e968f91941679be370cd94aa8cb1/FLAGf81e84515 [2021-11-22 23:21:13,294 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:21:13,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c [2021-11-22 23:21:13,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/data/839f42114/d9d3e968f91941679be370cd94aa8cb1/FLAGf81e84515 [2021-11-22 23:21:13,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/data/839f42114/d9d3e968f91941679be370cd94aa8cb1 [2021-11-22 23:21:13,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:21:13,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:21:13,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:13,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:21:13,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:21:13,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:13" (1/1) ... [2021-11-22 23:21:13,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dca5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:13, skipping insertion in model container [2021-11-22 23:21:13,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:21:13" (1/1) ... [2021-11-22 23:21:13,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:21:13,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:21:13,991 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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c[14521,14534] [2021-11-22 23:21:13,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:14,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:21:14,107 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_4179b7c2-d123-4d66-81d2-f03a30c1bb68/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c[14521,14534] [2021-11-22 23:21:14,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:21:14,127 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:21:14,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14 WrapperNode [2021-11-22 23:21:14,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:21:14,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:14,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:21:14,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:21:14,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,220 INFO L137 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 481 [2021-11-22 23:21:14,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:21:14,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:21:14,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:21:14,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:21:14,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:21:14,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:21:14,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:21:14,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:21:14,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:21:14" (1/1) ... [2021-11-22 23:21:14,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:21:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:21:14,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:21:14,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:21:14,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:21:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:21:14,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:21:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:21:14,619 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:21:14,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:21:15,433 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:21:16,242 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:21:16,242 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:21:16,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:16 BoogieIcfgContainer [2021-11-22 23:21:16,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:21:16,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:21:16,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:21:16,258 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:21:16,258 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:16" (1/1) ... [2021-11-22 23:21:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:21:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-22 23:21:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-22 23:21:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:21:16,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:16,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:16,943 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 23:21:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-22 23:21:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-22 23:21:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:21:17,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,379 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 23:21:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-22 23:21:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-22 23:21:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:21:17,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:17,983 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 23:21:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2021-11-22 23:21:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2021-11-22 23:21:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:21:18,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:18,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:18,764 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 23:21:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2021-11-22 23:21:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2021-11-22 23:21:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:21:19,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,067 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 23:21:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2021-11-22 23:21:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2021-11-22 23:21:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:21:21,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:21,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,375 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 23:21:22,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2021-11-22 23:21:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2021-11-22 23:21:22,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:21:22,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,691 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 23:21:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2021-11-22 23:21:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2021-11-22 23:21:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:22,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:22,986 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 23:21:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2021-11-22 23:21:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2021-11-22 23:21:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:21:22,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:22,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:23,307 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 23:21:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2021-11-22 23:21:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2021-11-22 23:21:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:25,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:25,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:25,229 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 23:21:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2021-11-22 23:21:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2021-11-22 23:21:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:21:25,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:25,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:26,404 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 23:21:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 76 states and 135 transitions. [2021-11-22 23:21:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2021-11-22 23:21:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:21:31,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:31,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 90 states and 159 transitions. [2021-11-22 23:21:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2021-11-22 23:21:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:21:36,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 91 states and 161 transitions. [2021-11-22 23:21:36,829 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 161 transitions. [2021-11-22 23:21:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:36,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:37,314 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 23:21:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:42,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 196 transitions. [2021-11-22 23:21:42,645 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 196 transitions. [2021-11-22 23:21:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:21:42,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:42,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:42,829 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 23:21:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 111 states and 201 transitions. [2021-11-22 23:21:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2021-11-22 23:21:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:43,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:43,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 125 states and 228 transitions. [2021-11-22 23:21:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2021-11-22 23:21:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:49,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:49,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 127 states and 236 transitions. [2021-11-22 23:21:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2021-11-22 23:21:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:50,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 128 states and 241 transitions. [2021-11-22 23:21:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2021-11-22 23:21:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:50,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 242 transitions. [2021-11-22 23:21:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 242 transitions. [2021-11-22 23:21:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:21:51,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 130 states and 243 transitions. [2021-11-22 23:21:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 243 transitions. [2021-11-22 23:21:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:21:51,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:51,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:21:52,252 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:21:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:21:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:21:52,994 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:21:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:21:53,356 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2021-11-22 23:21:53,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:21:53 ImpRootNode [2021-11-22 23:21:53,571 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:21:53,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:21:53,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:21:53,572 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:21:53,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:21:16" (3/4) ... [2021-11-22 23:21:53,574 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:21:53,821 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:21:53,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:21:53,822 INFO L158 Benchmark]: Toolchain (without parser) took 40226.67ms. Allocated memory was 115.3MB in the beginning and 325.1MB in the end (delta: 209.7MB). Free memory was 92.6MB in the beginning and 212.3MB in the end (delta: -119.6MB). Peak memory consumption was 89.3MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,822 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:21:53,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.96ms. Allocated memory is still 115.3MB. Free memory was 92.6MB in the beginning and 84.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.24ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:21:53,824 INFO L158 Benchmark]: Boogie Preprocessor took 86.26ms. Allocated memory is still 115.3MB. Free memory was 80.6MB in the beginning and 78.1MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,824 INFO L158 Benchmark]: RCFGBuilder took 1936.92ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 78.1MB in the beginning and 66.3MB in the end (delta: 11.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,824 INFO L158 Benchmark]: CodeCheck took 37324.52ms. Allocated memory was 138.4MB in the beginning and 325.1MB in the end (delta: 186.6MB). Free memory was 66.3MB in the beginning and 226.0MB in the end (delta: -159.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,825 INFO L158 Benchmark]: Witness Printer took 250.09ms. Allocated memory is still 325.1MB. Free memory was 226.0MB in the beginning and 212.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:21:53,827 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: 37.1s, OverallIterations: 21, 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, 2529 SdHoareTripleChecker+Valid, 26.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1921 mSDsluCounter, 856 SdHoareTripleChecker+Invalid, 22.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 1091 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6804 IncrementalHoareTripleChecker+Invalid, 7895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1091 mSolverCounterUnsat, 302 mSDtfsCounter, 6804 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3239 GetRequests, 2754 SyntacticMatches, 119 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72797 ImplicationChecksByTransitivity, 28.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 2508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 20/61 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: 610]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] msg_t nomsg = (msg_t )-1; [L29] port_t p12 ; [L30] char p12_old ; [L31] char p12_new ; [L32] _Bool ep12 ; [L33] port_t p13 ; [L34] char p13_old ; [L35] char p13_new ; [L36] _Bool ep13 ; [L37] port_t p21 ; [L38] char p21_old ; [L39] char p21_new ; [L40] _Bool ep21 ; [L41] port_t p23 ; [L42] char p23_old ; [L43] char p23_new ; [L44] _Bool ep23 ; [L45] port_t p31 ; [L46] char p31_old ; [L47] char p31_new ; [L48] _Bool ep31 ; [L49] port_t p32 ; [L50] char p32_old ; [L51] char p32_new ; [L52] _Bool ep32 ; [L53] char id1 ; [L54] unsigned char r1 ; [L55] char st1 ; [L56] char nl1 ; [L57] char m1 ; [L58] char max1 ; [L59] _Bool mode1 ; [L60] _Bool newmax1 ; [L61] char id2 ; [L62] unsigned char r2 ; [L63] char st2 ; [L64] char nl2 ; [L65] char m2 ; [L66] char max2 ; [L67] _Bool mode2 ; [L68] _Bool newmax2 ; [L69] char id3 ; [L70] unsigned char r3 ; [L71] char st3 ; [L72] char nl3 ; [L73] char m3 ; [L74] char max3 ; [L75] _Bool mode3 ; [L76] _Bool newmax3 ; [L528] int c1 ; [L529] int i2 ; [L532] c1 = 0 [L533] ep12 = __VERIFIER_nondet_bool() [L534] ep13 = __VERIFIER_nondet_bool() [L535] ep21 = __VERIFIER_nondet_bool() [L536] ep23 = __VERIFIER_nondet_bool() [L537] ep31 = __VERIFIER_nondet_bool() [L538] ep32 = __VERIFIER_nondet_bool() [L539] id1 = __VERIFIER_nondet_char() [L540] r1 = __VERIFIER_nondet_uchar() [L541] st1 = __VERIFIER_nondet_char() [L542] nl1 = __VERIFIER_nondet_char() [L543] m1 = __VERIFIER_nondet_char() [L544] max1 = __VERIFIER_nondet_char() [L545] mode1 = __VERIFIER_nondet_bool() [L546] newmax1 = __VERIFIER_nondet_bool() [L547] id2 = __VERIFIER_nondet_char() [L548] r2 = __VERIFIER_nondet_uchar() [L549] st2 = __VERIFIER_nondet_char() [L550] nl2 = __VERIFIER_nondet_char() [L551] m2 = __VERIFIER_nondet_char() [L552] max2 = __VERIFIER_nondet_char() [L553] mode2 = __VERIFIER_nondet_bool() [L554] newmax2 = __VERIFIER_nondet_bool() [L555] id3 = __VERIFIER_nondet_char() [L556] r3 = __VERIFIER_nondet_uchar() [L557] st3 = __VERIFIER_nondet_char() [L558] nl3 = __VERIFIER_nondet_char() [L559] m3 = __VERIFIER_nondet_char() [L560] max3 = __VERIFIER_nondet_char() [L561] mode3 = __VERIFIER_nondet_bool() [L562] newmax3 = __VERIFIER_nondet_bool() [L563] CALL, EXPR init() [L241] _Bool r121 ; [L242] _Bool r131 ; [L243] _Bool r211 ; [L244] _Bool r231 ; [L245] _Bool r311 ; [L246] _Bool r321 ; [L247] _Bool r122 ; [L248] int tmp ; [L249] _Bool r132 ; [L250] int tmp___0 ; [L251] _Bool r212 ; [L252] int tmp___1 ; [L253] _Bool r232 ; [L254] int tmp___2 ; [L255] _Bool r312 ; [L256] int tmp___3 ; [L257] _Bool r322 ; [L258] int tmp___4 ; [L259] int tmp___5 ; [L262] r121 = ep12 [L263] r131 = ep13 [L264] r211 = ep21 [L265] r231 = ep23 [L266] r311 = ep31 [L267] r321 = ep32 [L268] COND FALSE !(\read(r121)) [L271] COND TRUE \read(r131) [L272] COND TRUE \read(ep32) [L273] tmp = 1 [L280] r122 = (_Bool )tmp [L281] COND TRUE \read(r131) [L282] tmp___0 = 1 [L293] r132 = (_Bool )tmp___0 [L294] COND FALSE !(\read(r211)) [L297] COND TRUE \read(r231) [L298] COND TRUE \read(ep31) [L299] tmp___1 = 1 [L306] r212 = (_Bool )tmp___1 [L307] COND TRUE \read(r231) [L308] tmp___2 = 1 [L319] r232 = (_Bool )tmp___2 [L320] COND TRUE \read(r311) [L321] tmp___3 = 1 [L332] r312 = (_Bool )tmp___3 [L333] COND TRUE \read(r321) [L334] tmp___4 = 1 [L345] r322 = (_Bool )tmp___4 [L346] COND TRUE (int )id1 != (int )id2 [L347] COND TRUE (int )id1 != (int )id3 [L348] COND TRUE (int )id2 != (int )id3 [L349] COND TRUE (int )id1 >= 0 [L350] COND TRUE (int )id2 >= 0 [L351] COND TRUE (int )id3 >= 0 [L352] COND TRUE (int )r1 == 0 [L353] COND TRUE (int )r2 == 0 [L354] COND TRUE (int )r3 == 0 [L355] COND TRUE \read(r122) [L356] COND TRUE \read(r132) [L357] COND TRUE \read(r212) [L358] COND TRUE \read(r232) [L359] COND TRUE \read(r312) [L360] COND TRUE \read(r322) [L361] COND TRUE (int )max1 == (int )id1 [L362] COND TRUE (int )max2 == (int )id2 [L363] COND TRUE (int )max3 == (int )id3 [L364] COND TRUE (int )st1 == 0 [L365] COND TRUE (int )st2 == 0 [L366] COND TRUE (int )st3 == 0 [L367] COND TRUE (int )nl1 == 0 [L368] COND TRUE (int )nl2 == 0 [L369] COND TRUE (int )nl3 == 0 [L370] COND TRUE (int )mode1 == 0 [L371] COND TRUE (int )mode2 == 0 [L372] COND TRUE (int )mode3 == 0 [L373] COND TRUE \read(newmax1) [L374] COND TRUE \read(newmax2) [L375] COND TRUE \read(newmax3) [L376] tmp___5 = 1 [L467] return (tmp___5); [L563] RET, EXPR init() [L563] i2 = init() [L564] CALL assume_abort_if_not(i2) [L22] COND FALSE !(!cond) [L564] RET assume_abort_if_not(i2) [L565] p12_old = nomsg [L566] p12_new = nomsg [L567] p13_old = nomsg [L568] p13_new = nomsg [L569] p21_old = nomsg [L570] p21_new = nomsg [L571] p23_old = nomsg [L572] p23_new = nomsg [L573] p31_old = nomsg [L574] p31_new = nomsg [L575] p32_old = nomsg [L576] p32_new = nomsg [L577] i2 = 0 VAL [c1=0, ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, i2=0, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=0, mode2=0, mode3=0, newmax1=1, newmax2=255, newmax3=255, 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] [L578] COND TRUE 1 [L580] CALL node1() [L79] _Bool newmax ; [L82] newmax = (_Bool)0 [L83] COND FALSE !(\read(mode1)) [L114] COND TRUE (int )r1 < 2 [L115] COND FALSE !(\read(ep12)) [L120] COND TRUE \read(ep13) [L121] COND TRUE \read(newmax1) [L122] EXPR max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L122] p13_new = max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L126] mode1 = (_Bool)1 [L580] RET node1() [L581] CALL node2() [L133] _Bool newmax ; [L136] newmax = (_Bool)0 [L137] COND FALSE !(\read(mode2)) [L168] COND TRUE (int )r2 < 2 [L169] COND FALSE !(\read(ep21)) [L174] COND TRUE \read(ep23) [L175] COND TRUE \read(newmax2) [L176] EXPR max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L176] p23_new = max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L180] mode2 = (_Bool)1 [L581] RET node2() [L582] CALL node3() [L187] _Bool newmax ; [L190] newmax = (_Bool)0 [L191] COND FALSE !(\read(mode3)) [L222] COND TRUE (int )r3 < 2 [L223] COND TRUE \read(ep31) [L224] COND TRUE \read(newmax3) [L225] EXPR max3 != nomsg && p31_new == nomsg ? max3 : p31_new [L225] p31_new = max3 != nomsg && p31_new == nomsg ? max3 : p31_new [L228] COND TRUE \read(ep32) [L229] COND TRUE \read(newmax3) [L230] EXPR max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L230] p32_new = max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L234] mode3 = (_Bool)1 [L582] RET node3() [L583] p12_old = p12_new [L584] p12_new = nomsg [L585] p13_old = p13_new [L586] p13_new = nomsg [L587] p21_old = p21_new [L588] p21_new = nomsg [L589] p23_old = p23_new [L590] p23_new = nomsg [L591] p31_old = p31_new [L592] p31_new = nomsg [L593] p32_old = p32_new [L594] p32_new = nomsg [L595] CALL, EXPR check() [L472] int tmp ; VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L475] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L476] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L477] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L478] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L479] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L482] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L484] COND TRUE (int )r1 < 2 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L489] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L492] COND TRUE ((int )nl1 + (int )nl2) + (int )nl3 == 0 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L494] COND TRUE (int )r1 < 2 [L495] tmp = 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0, tmp=1] [L523] return (tmp); [L595] RET, EXPR check() [L595] c1 = check() [L596] CALL assert(c1) [L608] COND FALSE !(! arg) VAL [\old(arg)=1, arg=1, ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=125, m2=125, m3=125, max1=127, max2=124, max3=126, mode1=1, mode2=1, mode3=1, newmax1=1, newmax2=255, newmax3=255, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=127, p21=0, p21_new=-1, p21_old=-1, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=126, p32=0, p32_new=-1, p32_old=126, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L596] RET assert(c1) [L578] COND TRUE 1 [L580] CALL node1() [L79] _Bool newmax ; [L82] newmax = (_Bool)0 [L83] COND TRUE \read(mode1) [L84] COND FALSE !(r1 == 255) [L87] r1 = r1 + 1 [L88] COND FALSE !(\read(ep21)) [L96] COND TRUE \read(ep31) [L97] m1 = p31_old [L98] p31_old = nomsg [L99] COND FALSE !((int )m1 > (int )max1) [L104] newmax1 = newmax [L105] COND TRUE (int )r1 == 1 [L106] COND TRUE (int )max1 == (int )id1 [L107] st1 = (char)1 [L112] mode1 = (_Bool)0 [L580] RET node1() [L581] CALL node2() [L133] _Bool newmax ; [L136] newmax = (_Bool)0 [L137] COND TRUE \read(mode2) [L138] COND FALSE !(r2 == 255) [L141] r2 = r2 + 1 [L142] COND FALSE !(\read(ep12)) [L150] COND TRUE \read(ep32) [L151] m2 = p32_old [L152] p32_old = nomsg [L153] COND TRUE (int )m2 > (int )max2 [L154] max2 = m2 [L155] newmax = (_Bool)1 [L158] newmax2 = newmax [L159] COND FALSE !((int )r2 == 2) [L166] mode2 = (_Bool)0 [L581] RET node2() [L582] CALL node3() [L187] _Bool newmax ; [L190] newmax = (_Bool)0 [L191] COND TRUE \read(mode3) [L192] COND FALSE !(r3 == 255) [L195] r3 = r3 + 1 [L196] COND TRUE \read(ep13) [L197] m3 = p13_old [L198] p13_old = nomsg [L199] COND TRUE (int )m3 > (int )max3 [L200] max3 = m3 [L201] newmax = (_Bool)1 [L204] COND TRUE \read(ep23) [L205] m3 = p23_old [L206] p23_old = nomsg [L207] COND FALSE !((int )m3 > (int )max3) [L212] newmax3 = newmax [L213] COND FALSE !((int )r3 == 2) [L220] mode3 = (_Bool)0 [L582] RET node3() [L583] p12_old = p12_new [L584] p12_new = nomsg [L585] p13_old = p13_new [L586] p13_new = nomsg [L587] p21_old = p21_new [L588] p21_new = nomsg [L589] p23_old = p23_new [L590] p23_new = nomsg [L591] p31_old = p31_new [L592] p31_new = nomsg [L593] p32_old = p32_new [L594] p32_new = nomsg [L595] CALL, EXPR check() [L472] int tmp ; VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L475] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L476] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L477] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L478] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L479] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L482] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 0) [L509] tmp = 0 VAL [ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L523] return (tmp); [L595] RET, EXPR check() [L595] c1 = check() [L596] CALL assert(c1) [L608] COND TRUE ! arg VAL [\old(arg)=0, arg=0, ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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] [L610] reach_error() VAL [\old(arg)=0, arg=0, ep12=0, ep13=255, ep21=0, ep23=1, ep31=255, ep32=1, id1=127, id2=124, id3=126, m1=126, m2=126, m3=124, max1=127, max2=126, max3=127, mode1=0, mode2=0, mode3=0, newmax1=0, newmax2=1, newmax3=1, 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 0.34ms. Allocated memory is still 92.3MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.96ms. Allocated memory is still 115.3MB. Free memory was 92.6MB in the beginning and 84.0MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.24ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 80.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.26ms. Allocated memory is still 115.3MB. Free memory was 80.6MB in the beginning and 78.1MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1936.92ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 78.1MB in the beginning and 66.3MB in the end (delta: 11.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * CodeCheck took 37324.52ms. Allocated memory was 138.4MB in the beginning and 325.1MB in the end (delta: 186.6MB). Free memory was 66.3MB in the beginning and 226.0MB in the end (delta: -159.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 250.09ms. Allocated memory is still 325.1MB. Free memory was 226.0MB in the beginning and 212.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:21:53,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4179b7c2-d123-4d66-81d2-f03a30c1bb68/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