./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.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_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/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_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/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_05e13f86-052b-4eea-8aa2-5f184e6bce30/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 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4 --- 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 18:54:18,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:54:18,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:54:18,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:54:18,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:54:18,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:54:18,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:54:18,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:54:18,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:54:18,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:54:18,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:54:18,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:54:18,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:54:18,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:54:18,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:54:18,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:54:18,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:54:18,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:54:18,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:54:18,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:54:18,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:54:18,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:54:18,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:54:18,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:54:18,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:54:18,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:54:18,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:54:18,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:54:18,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:54:18,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:54:18,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:54:18,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:54:18,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:54:18,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:54:18,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:54:18,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:54:18,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:54:18,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:54:18,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:54:18,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:54:18,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:54:18,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:54:18,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:54:18,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:54:18,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:54:18,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:54:18,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:54:18,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:54:18,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:54:18,621 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:54:18,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:54:18,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:54:18,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:54:18,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:54:18,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:54:18,623 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:54:18,623 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:54:18,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:54:18,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:54:18,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:54:18,625 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_05e13f86-052b-4eea-8aa2-5f184e6bce30/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4 [2022-12-14 18:54:18,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:54:18,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:54:18,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:54:18,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:54:18,836 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:54:18,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2022-12-14 18:54:21,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:54:21,583 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:54:21,583 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2022-12-14 18:54:21,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/data/2e9a55317/4852ba1922be4c3bb1ac5a97f0b24e6f/FLAGfa8af49d4 [2022-12-14 18:54:21,953 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/data/2e9a55317/4852ba1922be4c3bb1ac5a97f0b24e6f [2022-12-14 18:54:21,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:54:21,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:54:21,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:54:21,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:54:21,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:54:21,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:21" (1/1) ... [2022-12-14 18:54:21,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee43974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:21, skipping insertion in model container [2022-12-14 18:54:21,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:54:21" (1/1) ... [2022-12-14 18:54:21,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:54:22,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:54:22,149 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_05e13f86-052b-4eea-8aa2-5f184e6bce30/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2022-12-14 18:54:22,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:54:22,320 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:54:22,336 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_05e13f86-052b-4eea-8aa2-5f184e6bce30/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2022-12-14 18:54:22,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:54:22,437 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:54:22,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22 WrapperNode [2022-12-14 18:54:22,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:54:22,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:54:22,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:54:22,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:54:22,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,515 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-14 18:54:22,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:54:22,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:54:22,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:54:22,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:54:22,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:54:22,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:54:22,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:54:22,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:54:22,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:54:22" (1/1) ... [2022-12-14 18:54:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:54:22,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:54:22,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:54:22,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:54:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:54:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:54:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:54:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:54:22,742 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:54:22,744 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:54:23,652 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:54:25,969 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:54:25,969 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:54:25,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:25 BoogieIcfgContainer [2022-12-14 18:54:25,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:54:25,972 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:54:25,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:54:25,979 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:54:25,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:25" (1/1) ... [2022-12-14 18:54:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:54:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 18:54:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 18:54:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:54:26,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:26,192 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 18:54:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-14 18:54:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-14 18:54:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:54:26,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:26,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:54:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-12-14 18:54:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-12-14 18:54:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:54:40,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:40,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:55:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:55:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:55:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2022-12-14 18:55:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2022-12-14 18:55:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:55:10,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:55:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:55:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:56:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:56:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:56:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2022-12-14 18:56:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2022-12-14 18:56:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:56:08,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:56:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:56:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:57:04,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:57:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:57:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2022-12-14 18:57:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2022-12-14 18:57:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 18:57:05,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:57:05,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:57:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 66 transitions. [2022-12-14 18:58:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 66 transitions. [2022-12-14 18:58:43,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:58:43,324 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-14 18:58:43,329 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:58:43,956 INFO L560 CodeCheckObserver]: Invariant with dag size 52 [2022-12-14 18:58:43,966 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:58:43,966 INFO L560 CodeCheckObserver]: Invariant with dag size 46 [2022-12-14 18:58:43,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:58:43 ImpRootNode [2022-12-14 18:58:43,968 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:58:43,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:58:43,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:58:43,968 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:58:43,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:54:25" (3/4) ... [2022-12-14 18:58:43,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:58:43,984 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2022-12-14 18:58:43,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 18:58:43,986 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 18:58:43,986 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:58:44,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:58:44,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:58:44,062 INFO L158 Benchmark]: Toolchain (without parser) took 262106.42ms. Allocated memory was 146.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 108.5MB in the beginning and 939.7MB in the end (delta: -831.2MB). Peak memory consumption was 682.4MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,062 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:58:44,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.72ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 76.0MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.84ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 66.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,063 INFO L158 Benchmark]: Boogie Preprocessor took 65.48ms. Allocated memory is still 146.8MB. Free memory was 66.4MB in the beginning and 60.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,063 INFO L158 Benchmark]: RCFGBuilder took 3389.06ms. Allocated memory was 146.8MB in the beginning and 524.3MB in the end (delta: 377.5MB). Free memory was 60.5MB in the beginning and 277.9MB in the end (delta: -217.5MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,063 INFO L158 Benchmark]: CodeCheck took 257996.09ms. Allocated memory was 524.3MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 277.9MB in the beginning and 954.4MB in the end (delta: -676.5MB). Peak memory consumption was 458.1MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,063 INFO L158 Benchmark]: Witness Printer took 93.46ms. Allocated memory is still 1.7GB. Free memory was 954.4MB in the beginning and 939.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:58:44,065 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 257.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 82 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 785 GetRequests, 673 SyntacticMatches, 22 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3896 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 252.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 1249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/91 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 - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((!(a15 <= 8) && (!(a24 == 1) || a12 <= 599999)) || (0 <= 49 + a12 && a15 == 8)) || (!(a24 == 1 && 7 == a21) && 49 + a12 <= 0)) || a21 <= 5) || ((!(a15 == 8) && ((((a12 <= 80 && a24 == 1) && 5 == a15) && !(a12 + 43 <= 0)) || !(a21 == 6))) && ((((a12 <= 11 || !(a24 == 1)) || a15 <= 6) || !(a21 <= 7)) || !(a12 <= 80)))) || (a15 <= 8 && !((((a12 <= 80 && a24 == 1) && 5 == a15) && !(a12 + 43 <= 0)) || !(a21 == 6))) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((!(a15 == 8) && 49 + a12 <= 0) || (a12 <= 599999 && !(a15 <= 8))) || (!(a15 <= 5 || 8 <= a15) && (((a12 <= 11 || a15 <= 6) || 8 <= a21) || 81 <= a12))) || (0 <= 49 + a12 && a15 == 8)) || !(a24 == 1)) || a21 <= 5) || (((a15 <= 5 || 8 <= a15) && !(a21 == 6)) && !(7 == a21 && 49 + a12 <= 0))) || (a15 <= 8 && a21 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.72ms. Allocated memory is still 146.8MB. Free memory was 108.5MB in the beginning and 76.0MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.84ms. Allocated memory is still 146.8MB. Free memory was 76.0MB in the beginning and 66.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.48ms. Allocated memory is still 146.8MB. Free memory was 66.4MB in the beginning and 60.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3389.06ms. Allocated memory was 146.8MB in the beginning and 524.3MB in the end (delta: 377.5MB). Free memory was 60.5MB in the beginning and 277.9MB in the end (delta: -217.5MB). Peak memory consumption was 161.4MB. Max. memory is 16.1GB. * CodeCheck took 257996.09ms. Allocated memory was 524.3MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 277.9MB in the beginning and 954.4MB in the end (delta: -676.5MB). Peak memory consumption was 458.1MB. Max. memory is 16.1GB. * Witness Printer took 93.46ms. Allocated memory is still 1.7GB. Free memory was 954.4MB in the beginning and 939.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:58:44,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05e13f86-052b-4eea-8aa2-5f184e6bce30/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE