./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4 --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 dc5c360927b8f961c81c15f32a759fd4b0c6971bec3efffa8564070a88946c3e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:04:43,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:04:43,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:04:43,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:04:43,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:04:43,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:04:43,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:04:43,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:04:43,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:04:43,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:04:43,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:04:43,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:04:43,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:04:43,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:04:43,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:04:43,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:04:43,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:04:43,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:04:43,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:04:43,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:04:43,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:04:43,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:04:43,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:04:43,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:04:43,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:04:43,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:04:43,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:04:43,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:04:43,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:04:43,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:04:43,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:04:43,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:04:43,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:04:43,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:04:43,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:04:43,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:04:43,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:04:43,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:04:43,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:04:43,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:04:43,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:04:43,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:04:43,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:04:43,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:04:43,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:04:43,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:04:43,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:04:43,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:04:43,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:04:43,823 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:04:43,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:04:43,824 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:04:43,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:04:43,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:04:43,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:04:43,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:04:43,825 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_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc5c360927b8f961c81c15f32a759fd4b0c6971bec3efffa8564070a88946c3e [2022-12-14 22:04:43,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:04:43,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:04:43,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:04:44,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:04:44,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:04:44,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c [2022-12-14 22:04:46,639 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:04:46,792 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:04:46,792 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c [2022-12-14 22:04:46,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/data/7a2f322ce/b6b5a188873e4802844e6e30e4850f77/FLAGca07d9c6e [2022-12-14 22:04:46,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/data/7a2f322ce/b6b5a188873e4802844e6e30e4850f77 [2022-12-14 22:04:46,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:04:46,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:04:46,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:04:46,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:04:46,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:04:46,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:04:46" (1/1) ... [2022-12-14 22:04:46,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75719d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:46, skipping insertion in model container [2022-12-14 22:04:46,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:04:46" (1/1) ... [2022-12-14 22:04:46,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:04:46,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:04:46,988 WARN L237 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_4610ac6c-0296-4763-901c-19bac2db945c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c[12914,12927] [2022-12-14 22:04:46,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:04:46,999 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:04:47,038 WARN L237 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_4610ac6c-0296-4763-901c-19bac2db945c/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.2.ufo.UNBOUNDED.pals.c[12914,12927] [2022-12-14 22:04:47,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:04:47,049 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:04:47,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47 WrapperNode [2022-12-14 22:04:47,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:04:47,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:04:47,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:04:47,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:04:47,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,085 INFO L138 Inliner]: procedures = 22, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 417 [2022-12-14 22:04:47,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:04:47,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:04:47,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:04:47,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:04:47,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:04:47,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:04:47,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:04:47,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:04:47,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:47" (1/1) ... [2022-12-14 22:04:47,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:04:47,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:04:47,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:04:47,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:04:47,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:04:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:04:47,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:04:47,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:04:47,249 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:04:47,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:04:47,684 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:04:48,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:04:48,137 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:04:48,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:48 BoogieIcfgContainer [2022-12-14 22:04:48,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:04:48,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:04:48,141 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:04:48,150 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:04:48,150 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:48" (1/1) ... [2022-12-14 22:04:48,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:04:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-12-14 22:04:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-12-14 22:04:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:04:48,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-12-14 22:04:49,595 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-12-14 22:04:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:04:49,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:49,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-12-14 22:04:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-12-14 22:04:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:04:50,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:50,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-12-14 22:04:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-12-14 22:04:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:04:51,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:52,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:52,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2022-12-14 22:04:52,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2022-12-14 22:04:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:04:52,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:52,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:53,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-12-14 22:04:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-12-14 22:04:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:04:53,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:54,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2022-12-14 22:04:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-14 22:04:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:04:55,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:55,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2022-12-14 22:04:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2022-12-14 22:04:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:04:55,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:55,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2022-12-14 22:04:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2022-12-14 22:04:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:04:55,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2022-12-14 22:04:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2022-12-14 22:04:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:04:57,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:57,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:04:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2022-12-14 22:04:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2022-12-14 22:04:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:04:57,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:57,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:01,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 130 transitions. [2022-12-14 22:05:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 130 transitions. [2022-12-14 22:05:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:05:01,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 93 states and 162 transitions. [2022-12-14 22:05:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2022-12-14 22:05:06,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:05:06,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:06,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2022-12-14 22:05:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2022-12-14 22:05:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:05:08,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:08,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 188 transitions. [2022-12-14 22:05:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2022-12-14 22:05:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:05:13,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:13,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2022-12-14 22:05:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2022-12-14 22:05:14,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:05:14,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:14,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 111 states and 196 transitions. [2022-12-14 22:05:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2022-12-14 22:05:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:05:15,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:15,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 230 transitions. [2022-12-14 22:05:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 230 transitions. [2022-12-14 22:05:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:05:21,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 132 states and 233 transitions. [2022-12-14 22:05:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2022-12-14 22:05:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:05:23,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 133 states and 234 transitions. [2022-12-14 22:05:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 234 transitions. [2022-12-14 22:05:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:05:24,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:24,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:05:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:05:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:05:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 239 transitions. [2022-12-14 22:05:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 239 transitions. [2022-12-14 22:05:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:05:26,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:05:26,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:05:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:05:26,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:05:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:05:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:05:26,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:05:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:05:26,764 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2022-12-14 22:05:26,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:05:26 ImpRootNode [2022-12-14 22:05:26,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:05:26,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:05:26,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:05:26,852 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:05:26,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:48" (3/4) ... [2022-12-14 22:05:26,854 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:05:26,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:05:26,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:05:26,959 INFO L158 Benchmark]: Toolchain (without parser) took 40146.04ms. Allocated memory was 138.4MB in the beginning and 524.3MB in the end (delta: 385.9MB). Free memory was 104.5MB in the beginning and 373.2MB in the end (delta: -268.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,959 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:05:26,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.10ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 88.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.53ms. Allocated memory is still 138.4MB. Free memory was 88.1MB in the beginning and 85.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,960 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,960 INFO L158 Benchmark]: RCFGBuilder took 1028.95ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 82.7MB in the beginning and 138.3MB in the end (delta: -55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,960 INFO L158 Benchmark]: CodeCheck took 38709.64ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 138.3MB in the beginning and 382.7MB in the end (delta: -244.4MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,960 INFO L158 Benchmark]: Witness Printer took 107.73ms. Allocated memory is still 524.3MB. Free memory was 382.7MB in the beginning and 373.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:05:26,962 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: 38.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2533 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1925 mSDsluCounter, 864 SdHoareTripleChecker+Invalid, 14.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 562 mSDsCounter, 1084 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6637 IncrementalHoareTripleChecker+Invalid, 7721 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1084 mSolverCounterUnsat, 302 mSDtfsCounter, 6637 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3207 GetRequests, 2698 SyntacticMatches, 95 SemanticMatches, 414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97445 ImplicationChecksByTransitivity, 23.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 3039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 20/60 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: 566]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] msg_t nomsg = (msg_t )-1; [L26] port_t p12 ; [L27] char p12_old ; [L28] char p12_new ; [L29] _Bool ep12 ; [L30] port_t p13 ; [L31] char p13_old ; [L32] char p13_new ; [L33] _Bool ep13 ; [L34] port_t p21 ; [L35] char p21_old ; [L36] char p21_new ; [L37] _Bool ep21 ; [L38] port_t p23 ; [L39] char p23_old ; [L40] char p23_new ; [L41] _Bool ep23 ; [L42] port_t p31 ; [L43] char p31_old ; [L44] char p31_new ; [L45] _Bool ep31 ; [L46] port_t p32 ; [L47] char p32_old ; [L48] char p32_new ; [L49] _Bool ep32 ; [L50] char id1 ; [L51] unsigned char r1 ; [L52] char st1 ; [L53] char nl1 ; [L54] char m1 ; [L55] char max1 ; [L56] _Bool mode1 ; [L57] char id2 ; [L58] unsigned char r2 ; [L59] char st2 ; [L60] char nl2 ; [L61] char m2 ; [L62] char max2 ; [L63] _Bool mode2 ; [L64] char id3 ; [L65] unsigned char r3 ; [L66] char st3 ; [L67] char nl3 ; [L68] char m3 ; [L69] char max3 ; [L70] _Bool mode3 ; [L486] int c1 ; [L487] int i2 ; [L490] c1 = 0 [L491] ep12 = __VERIFIER_nondet_bool() [L492] ep13 = __VERIFIER_nondet_bool() [L493] ep21 = __VERIFIER_nondet_bool() [L494] ep23 = __VERIFIER_nondet_bool() [L495] ep31 = __VERIFIER_nondet_bool() [L496] ep32 = __VERIFIER_nondet_bool() [L497] id1 = __VERIFIER_nondet_char() [L498] r1 = __VERIFIER_nondet_uchar() [L499] st1 = __VERIFIER_nondet_char() [L500] nl1 = __VERIFIER_nondet_char() [L501] m1 = __VERIFIER_nondet_char() [L502] max1 = __VERIFIER_nondet_char() [L503] mode1 = __VERIFIER_nondet_bool() [L504] id2 = __VERIFIER_nondet_char() [L505] r2 = __VERIFIER_nondet_uchar() [L506] st2 = __VERIFIER_nondet_char() [L507] nl2 = __VERIFIER_nondet_char() [L508] m2 = __VERIFIER_nondet_char() [L509] max2 = __VERIFIER_nondet_char() [L510] mode2 = __VERIFIER_nondet_bool() [L511] id3 = __VERIFIER_nondet_char() [L512] r3 = __VERIFIER_nondet_uchar() [L513] st3 = __VERIFIER_nondet_char() [L514] nl3 = __VERIFIER_nondet_char() [L515] m3 = __VERIFIER_nondet_char() [L516] max3 = __VERIFIER_nondet_char() [L517] mode3 = __VERIFIER_nondet_bool() [L518] CALL, EXPR init() [L211] _Bool r121 ; [L212] _Bool r131 ; [L213] _Bool r211 ; [L214] _Bool r231 ; [L215] _Bool r311 ; [L216] _Bool r321 ; [L217] _Bool r122 ; [L218] int tmp ; [L219] _Bool r132 ; [L220] int tmp___0 ; [L221] _Bool r212 ; [L222] int tmp___1 ; [L223] _Bool r232 ; [L224] int tmp___2 ; [L225] _Bool r312 ; [L226] int tmp___3 ; [L227] _Bool r322 ; [L228] int tmp___4 ; [L229] int tmp___5 ; [L232] r121 = ep12 [L233] r131 = ep13 [L234] r211 = ep21 [L235] r231 = ep23 [L236] r311 = ep31 [L237] r321 = ep32 [L238] COND FALSE !(\read(r121)) [L241] COND TRUE \read(r131) [L242] COND TRUE \read(ep32) [L243] tmp = 1 [L250] r122 = (_Bool )tmp [L251] COND TRUE \read(r131) [L252] tmp___0 = 1 [L263] r132 = (_Bool )tmp___0 [L264] COND TRUE \read(r211) [L265] tmp___1 = 1 [L276] r212 = (_Bool )tmp___1 [L277] COND TRUE \read(r231) [L278] tmp___2 = 1 [L289] r232 = (_Bool )tmp___2 [L290] COND FALSE !(\read(r311)) [L293] COND TRUE \read(r321) [L294] COND TRUE \read(ep21) [L295] tmp___3 = 1 [L302] r312 = (_Bool )tmp___3 [L303] COND TRUE \read(r321) [L304] tmp___4 = 1 [L315] r322 = (_Bool )tmp___4 [L316] COND TRUE (int )id1 != (int )id2 [L317] COND TRUE (int )id1 != (int )id3 [L318] COND TRUE (int )id2 != (int )id3 [L319] COND TRUE (int )id1 >= 0 [L320] COND TRUE (int )id2 >= 0 [L321] COND TRUE (int )id3 >= 0 [L322] COND TRUE (int )r1 == 0 [L323] COND TRUE (int )r2 == 0 [L324] COND TRUE (int )r3 == 0 [L325] COND TRUE \read(r122) [L326] COND TRUE \read(r132) [L327] COND TRUE \read(r212) [L328] COND TRUE \read(r232) [L329] COND TRUE \read(r312) [L330] COND TRUE \read(r322) [L331] COND TRUE (int )max1 == (int )id1 [L332] COND TRUE (int )max2 == (int )id2 [L333] COND TRUE (int )max3 == (int )id3 [L334] COND TRUE (int )st1 == 0 [L335] COND TRUE (int )st2 == 0 [L336] COND TRUE (int )st3 == 0 [L337] COND TRUE (int )nl1 == 0 [L338] COND TRUE (int )nl2 == 0 [L339] COND TRUE (int )nl3 == 0 [L340] COND TRUE (int )mode1 == 0 [L341] COND TRUE (int )mode2 == 0 [L342] COND TRUE (int )mode3 == 0 [L343] tmp___5 = 1 [L425] return (tmp___5); [L518] RET, EXPR init() [L518] i2 = init() [L519] COND FALSE !(!i2) [L522] p12_old = nomsg [L523] p12_new = nomsg [L524] p13_old = nomsg [L525] p13_new = nomsg [L526] p21_old = nomsg [L527] p21_new = nomsg [L528] p23_old = nomsg [L529] p23_new = nomsg [L530] p31_old = nomsg [L531] p31_new = nomsg [L532] p32_old = nomsg [L533] p32_new = nomsg [L534] i2 = 0 VAL [c1=0, ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, i2=0, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, 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] [L535] COND TRUE 1 [L537] CALL node1() [L76] COND FALSE !(\read(mode1)) [L104] COND TRUE (int )r1 < 2 [L105] COND FALSE !(\read(ep12)) [L108] COND TRUE \read(ep13) [L109] p13_new = max1 != nomsg && p13_new == nomsg ? max1 : p13_new [L112] mode1 = (_Bool)1 [L537] RET node1() [L538] CALL node2() [L122] COND FALSE !(\read(mode2)) [L150] COND TRUE (int )r2 < 2 [L151] COND TRUE \read(ep21) [L152] p21_new = max2 != nomsg && p21_new == nomsg ? max2 : p21_new [L154] COND TRUE \read(ep23) [L155] p23_new = max2 != nomsg && p23_new == nomsg ? max2 : p23_new [L158] mode2 = (_Bool)1 [L538] RET node2() [L539] CALL node3() [L168] COND FALSE !(\read(mode3)) [L196] COND TRUE (int )r3 < 2 [L197] COND FALSE !(\read(ep31)) [L200] COND TRUE \read(ep32) [L201] p32_new = max3 != nomsg && p32_new == nomsg ? max3 : p32_new [L204] mode3 = (_Bool)1 [L539] RET node3() [L540] p12_old = p12_new [L541] p12_new = nomsg [L542] p13_old = p13_new [L543] p13_new = nomsg [L544] p21_old = p21_new [L545] p21_new = nomsg [L546] p23_old = p23_new [L547] p23_new = nomsg [L548] p31_old = p31_new [L549] p31_new = nomsg [L550] p32_old = p32_new [L551] p32_new = nomsg [L552] CALL, EXPR check() [L430] int tmp ; VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L433] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L434] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L435] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L436] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L437] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L440] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L442] COND TRUE (int )r1 < 2 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L447] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L450] COND TRUE ((int )nl1 + (int )nl2) + (int )nl3 == 0 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L452] COND TRUE (int )r1 < 2 [L453] tmp = 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0, tmp=1] [L481] return (tmp); [L552] RET, EXPR check() [L552] c1 = check() [L553] CALL assert(c1) [L564] COND FALSE !(! arg) VAL [\old(arg)=1, arg=1, ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=127, m2=126, m3=-2, max1=125, max2=124, max3=127, mode1=1, mode2=1, mode3=1, nl1=0, nl2=0, nl3=0, nomsg=-1, p12=0, p12_new=-1, p12_old=-1, p13=0, p13_new=-1, p13_old=125, p21=0, p21_new=-1, p21_old=124, p23=0, p23_new=-1, p23_old=124, p31=0, p31_new=-1, p31_old=-1, p32=0, p32_new=-1, p32_old=127, r1=0, r2=0, r3=0, st1=0, st2=0, st3=0] [L553] RET assert(c1) [L535] COND TRUE 1 [L537] CALL node1() [L76] COND TRUE \read(mode1) [L77] COND FALSE !(r1 == 255) [L80] r1 = r1 + 1 [L81] COND TRUE \read(ep21) [L82] m1 = p21_old [L83] p21_old = nomsg [L84] COND FALSE !((int )m1 > (int )max1) [L88] COND FALSE !(\read(ep31)) [L95] COND TRUE (int )r1 == 1 [L96] COND TRUE (int )max1 == (int )id1 [L97] st1 = (char)1 [L102] mode1 = (_Bool)0 [L537] RET node1() [L538] CALL node2() [L122] COND TRUE \read(mode2) [L123] COND FALSE !(r2 == 255) [L126] r2 = r2 + 1 [L127] COND FALSE !(\read(ep12)) [L134] COND TRUE \read(ep32) [L135] m2 = p32_old [L136] p32_old = nomsg [L137] COND TRUE (int )m2 > (int )max2 [L138] max2 = m2 [L141] COND FALSE !((int )r2 == 2) [L148] mode2 = (_Bool)0 [L538] RET node2() [L539] CALL node3() [L168] COND TRUE \read(mode3) [L169] COND FALSE !(r3 == 255) [L172] r3 = r3 + 1 [L173] COND TRUE \read(ep13) [L174] m3 = p13_old [L175] p13_old = nomsg [L176] COND FALSE !((int )m3 > (int )max3) [L180] COND TRUE \read(ep23) [L181] m3 = p23_old [L182] p23_old = nomsg [L183] COND FALSE !((int )m3 > (int )max3) [L187] COND FALSE !((int )r3 == 2) [L194] mode3 = (_Bool)0 [L539] RET node3() [L540] p12_old = p12_new [L541] p12_new = nomsg [L542] p13_old = p13_new [L543] p13_new = nomsg [L544] p21_old = p21_new [L545] p21_new = nomsg [L546] p23_old = p23_new [L547] p23_new = nomsg [L548] p31_old = p31_new [L549] p31_new = nomsg [L550] p32_old = p32_new [L551] p32_new = nomsg [L552] CALL, EXPR check() [L430] int tmp ; VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L433] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L434] COND TRUE (int )st1 + (int )nl1 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L435] COND TRUE (int )st2 + (int )nl2 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L436] COND TRUE (int )st3 + (int )nl3 <= 1 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L437] COND FALSE !((int )r1 >= 2) VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L440] COND FALSE !(((int )st1 + (int )st2) + (int )st3 == 0) [L467] tmp = 0 VAL [ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L481] return (tmp); [L552] RET, EXPR check() [L552] c1 = check() [L553] CALL assert(c1) [L564] COND TRUE ! arg VAL [\old(arg)=0, arg=0, ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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] [L566] reach_error() VAL [\old(arg)=0, arg=0, ep12=0, ep13=1, ep21=255, ep23=255, ep31=0, ep32=1, id1=125, id2=124, id3=127, m1=124, m2=127, m3=124, max1=125, max2=127, max3=127, 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 0.13ms. Allocated memory is still 138.4MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.10ms. Allocated memory is still 138.4MB. Free memory was 104.1MB in the beginning and 88.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.53ms. Allocated memory is still 138.4MB. Free memory was 88.1MB in the beginning and 85.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1028.95ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 82.7MB in the beginning and 138.3MB in the end (delta: -55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * CodeCheck took 38709.64ms. Allocated memory was 174.1MB in the beginning and 524.3MB in the end (delta: 350.2MB). Free memory was 138.3MB in the beginning and 382.7MB in the end (delta: -244.4MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. * Witness Printer took 107.73ms. Allocated memory is still 524.3MB. Free memory was 382.7MB in the beginning and 373.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:05:26,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4610ac6c-0296-4763-901c-19bac2db945c/bin/ukojak-rkRKPMF4O4/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