./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/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_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/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_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/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 af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 --- 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 [2022-12-15 01:57:18,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:57:18,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:57:18,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:57:18,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:57:18,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:57:18,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:57:18,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:57:18,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:57:18,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:57:18,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:57:18,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:57:18,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:57:18,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:57:18,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:57:18,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:57:18,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:57:18,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:57:18,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:57:18,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:57:18,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:57:18,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:57:18,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:57:18,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:57:18,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:57:18,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:57:18,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:57:18,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:57:18,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:57:18,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:57:18,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:57:18,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:57:18,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:57:18,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:57:18,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:57:18,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:57:18,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:57:18,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:57:18,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:57:18,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:57:18,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:57:18,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:57:18,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:57:18,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:57:18,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:57:18,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:57:18,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:57:18,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:57:18,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:57:18,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:57:18,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:57:18,921 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:57:18,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:57:18,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:57:18,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:57:18,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:57:18,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:57:18,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:57:18,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:18,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:57:18,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:57:18,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:57:18,922 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:57:18,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:57:18,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:57:18,923 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_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 [2022-12-15 01:57:19,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:57:19,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:57:19,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:57:19,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:57:19,132 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:57:19,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2022-12-15 01:57:21,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:57:21,904 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:57:21,905 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2022-12-15 01:57:21,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/data/6ce831bbf/4ae8e18d46cb4cda9415bfc63c099b7b/FLAG1d5203b3c [2022-12-15 01:57:22,259 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/data/6ce831bbf/4ae8e18d46cb4cda9415bfc63c099b7b [2022-12-15 01:57:22,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:57:22,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:57:22,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:22,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:57:22,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:57:22,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48aa4f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22, skipping insertion in model container [2022-12-15 01:57:22,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:57:22,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:57:22,533 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_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2022-12-15 01:57:22,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:22,650 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:57:22,670 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_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2022-12-15 01:57:22,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:57:22,751 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:57:22,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22 WrapperNode [2022-12-15 01:57:22,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:57:22,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:22,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:57:22,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:57:22,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,821 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-15 01:57:22,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:57:22,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:57:22,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:57:22,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:57:22,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:57:22,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:57:22,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:57:22,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:57:22,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:57:22" (1/1) ... [2022-12-15 01:57:22,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:57:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:57:22,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:57:22,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:57:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:57:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:57:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:57:22,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:57:22,978 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:57:22,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:57:23,884 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:57:26,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:57:26,272 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:57:26,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:26 BoogieIcfgContainer [2022-12-15 01:57:26,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:57:26,274 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:57:26,274 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:57:26,281 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:57:26,282 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:26" (1/1) ... [2022-12-15 01:57:26,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:57:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:26,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:57:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:57:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:57:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:26,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-15 01:57:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-15 01:57:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:57:26,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:57:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:57:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:57:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-12-15 01:57:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-12-15 01:57:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:57:43,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:57:43,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:57:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2022-12-15 01:58:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2022-12-15 01:58:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:58:19,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:19,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2022-12-15 01:58:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2022-12-15 01:58:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:56,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:59:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2022-12-15 01:59:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2022-12-15 01:59:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:59:16,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:59:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2022-12-15 01:59:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2022-12-15 01:59:36,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:59:36,745 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-12-15 01:59:36,751 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:59:36,928 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-12-15 01:59:36,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:59:36,936 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-15 01:59:36,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:59:36 ImpRootNode [2022-12-15 01:59:36,936 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:59:36,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:59:36,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:59:36,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:59:36,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:57:26" (3/4) ... [2022-12-15 01:59:36,940 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:59:36,952 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 224 nodes and edges [2022-12-15 01:59:36,953 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-15 01:59:36,954 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:59:36,955 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:59:37,027 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:59:37,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:59:37,027 INFO L158 Benchmark]: Toolchain (without parser) took 134762.19ms. Allocated memory was 203.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 175.4MB in the beginning and 641.9MB in the end (delta: -466.5MB). Peak memory consumption was 925.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,027 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:59:37,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.50ms. Allocated memory is still 203.4MB. Free memory was 175.4MB in the beginning and 142.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.36ms. Allocated memory is still 203.4MB. Free memory was 142.4MB in the beginning and 133.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,028 INFO L158 Benchmark]: Boogie Preprocessor took 50.70ms. Allocated memory is still 203.4MB. Free memory was 133.1MB in the beginning and 126.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,028 INFO L158 Benchmark]: RCFGBuilder took 3401.10ms. Allocated memory was 203.4MB in the beginning and 390.1MB in the end (delta: 186.6MB). Free memory was 126.8MB in the beginning and 243.0MB in the end (delta: -116.2MB). Peak memory consumption was 222.2MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,029 INFO L158 Benchmark]: CodeCheck took 130662.17ms. Allocated memory was 390.1MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 243.0MB in the beginning and 655.7MB in the end (delta: -412.7MB). Peak memory consumption was 791.0MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,029 INFO L158 Benchmark]: Witness Printer took 89.98ms. Allocated memory is still 1.6GB. Free memory was 655.7MB in the beginning and 641.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:59:37,030 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: 130.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 454 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 68 mSDtfsCounter, 454 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 671 GetRequests, 592 SyntacticMatches, 17 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1887 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 128.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 42/65 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: 206]: 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: (((!(a24 == 1) || a21 <= 6) || !(a21 <= 7)) || !(a15 <= 6)) || a15 <= 5 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((7 <= a15 || !(a24 == 1)) || a21 <= 6) || 8 <= a21) || 49 + a12 <= 0) || a15 <= 5 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.50ms. Allocated memory is still 203.4MB. Free memory was 175.4MB in the beginning and 142.4MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.36ms. Allocated memory is still 203.4MB. Free memory was 142.4MB in the beginning and 133.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.70ms. Allocated memory is still 203.4MB. Free memory was 133.1MB in the beginning and 126.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3401.10ms. Allocated memory was 203.4MB in the beginning and 390.1MB in the end (delta: 186.6MB). Free memory was 126.8MB in the beginning and 243.0MB in the end (delta: -116.2MB). Peak memory consumption was 222.2MB. Max. memory is 16.1GB. * CodeCheck took 130662.17ms. Allocated memory was 390.1MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 243.0MB in the beginning and 655.7MB in the end (delta: -412.7MB). Peak memory consumption was 791.0MB. Max. memory is 16.1GB. * Witness Printer took 89.98ms. Allocated memory is still 1.6GB. Free memory was 655.7MB in the beginning and 641.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:59:37,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a3c97d-1d2c-4f87-9e3c-8f69f31907d0/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 Result: TRUE