./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB --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 9b373cbe6be5259af58bbd621acc4a598f97350f51d1b5f9aaeeeabd984828c1 --- 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-dbf71c6-m [2022-10-17 16:45:17,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:17,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:17,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:17,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:17,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:17,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:17,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:17,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:17,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:17,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:17,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:17,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:17,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:17,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:17,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:17,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:17,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:17,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:17,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:17,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:17,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:17,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:17,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:17,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:17,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:17,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:17,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:17,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:17,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:17,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:17,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:17,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:17,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:17,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:17,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:17,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:17,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:17,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:17,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:17,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:17,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:17,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:17,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:17,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:17,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:17,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:17,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:17,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:17,859 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:17,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:17,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:17,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:17,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:17,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:17,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:17,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:17,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:17,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:17,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:17,863 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:17,863 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:17,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:17,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:17,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:17,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:17,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:17,865 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:17,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:17,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:17,866 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_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b373cbe6be5259af58bbd621acc4a598f97350f51d1b5f9aaeeeabd984828c1 [2022-10-17 16:45:18,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:18,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:18,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:18,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:18,223 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:18,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2022-10-17 16:45:18,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/data/4fdeed9eb/271d62e01d8c4c759423217ccd344c6d/FLAG57ab4dfce [2022-10-17 16:45:18,974 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:18,974 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2022-10-17 16:45:18,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/data/4fdeed9eb/271d62e01d8c4c759423217ccd344c6d/FLAG57ab4dfce [2022-10-17 16:45:19,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/data/4fdeed9eb/271d62e01d8c4c759423217ccd344c6d [2022-10-17 16:45:19,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:19,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:19,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:19,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:19,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:19,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6713011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19, skipping insertion in model container [2022-10-17 16:45:19,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:19,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:19,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] [2022-10-17 16:45:19,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:19,674 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:19,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] [2022-10-17 16:45:19,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:19,736 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:19,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19 WrapperNode [2022-10-17 16:45:19,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:19,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:19,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:19,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:19,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,793 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 16:45:19,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:19,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:19,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:19,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:19,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,829 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:19,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:19,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:19,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:19,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:19" (1/1) ... [2022-10-17 16:45:19,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:19,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:19,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:45:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:45:20,016 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:20,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:20,278 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:20,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:20,347 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:45:20,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:20 BoogieIcfgContainer [2022-10-17 16:45:20,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:20,351 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:20,351 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:20,362 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:20,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:20" (1/1) ... [2022-10-17 16:45:20,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:45:20,451 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:45:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:20,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:20,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:20,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:45:20,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:30,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:45:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:45:30,991 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:45:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:45:30,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:30,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:45:31,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-10-17 16:45:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 16:45:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:45:31,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:31,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:31,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:45:31,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 16:45:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 16:45:32,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:45:32,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:32,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:45:32,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:32,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:33,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:45:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:45:33,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:45:33,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:33,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:33,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:45:33,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-10-17 16:45:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-10-17 16:45:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:45:34,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:34,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:34,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:45:34,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:45:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 19 transitions. [2022-10-17 16:45:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-10-17 16:45:36,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:45:36,347 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-10-17 16:45:36,357 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:45:36,523 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:36,527 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:45:36,527 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-10-17 16:45:36,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:45:36 ImpRootNode [2022-10-17 16:45:36,536 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:45:36,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:45:36,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:45:36,537 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:45:36,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:20" (3/4) ... [2022-10-17 16:45:36,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:45:36,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:45:36,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:45:36,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-10-17 16:45:36,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:45:36,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:45:36,612 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:45:36,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:45:36,617 INFO L158 Benchmark]: Toolchain (without parser) took 17278.02ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 85.1MB in the beginning and 63.2MB in the end (delta: 21.9MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,617 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:45:36,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.04ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 86.9MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.69ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,619 INFO L158 Benchmark]: Boogie Preprocessor took 38.06ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,619 INFO L158 Benchmark]: RCFGBuilder took 516.96ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 72.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,620 INFO L158 Benchmark]: CodeCheck took 16185.28ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 72.8MB in the beginning and 65.3MB in the end (delta: 7.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,621 INFO L158 Benchmark]: Witness Printer took 75.69ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:45:36,624 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 61.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 61.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 140 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 440 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1735 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 5 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 2/4 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: 21]: 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: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((1 <= r % 4294967296 && q == 0) && !(counter <= 0)) && A == r) || ((((b == 1 && 0 <= counter) && counter <= 0) && q == 0) && A == r) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.04ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 86.9MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.69ms. Allocated memory is still 113.2MB. Free memory was 86.7MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.06ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.96ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 72.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16185.28ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 72.8MB in the beginning and 65.3MB in the end (delta: 7.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Witness Printer took 75.69ms. Allocated memory is still 136.3MB. Free memory was 65.3MB in the beginning and 63.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:45:36,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bd6f60d-8517-4903-ad7b-89f0e58016d0/bin/ukojak-92XMlrwhuB/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