./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c --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_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/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_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/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_cf951f37-57b9-42da-8850-ddaa3a8763ad/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 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc --- 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 16:51:18,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:18,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:18,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:18,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:18,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:18,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:18,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:18,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:18,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:18,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:18,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:18,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:18,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:19,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:19,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:19,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:19,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:19,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:19,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:19,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:19,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:19,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:19,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:19,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:19,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:19,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:19,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:19,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:19,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:19,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:19,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:19,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:19,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:19,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:19,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:19,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:19,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:19,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:19,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:19,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:19,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:19,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:19,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:19,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:19,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:19,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:19,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:19,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:19,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:19,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:19,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:19,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:19,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:19,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:19,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:19,108 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:19,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:19,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:19,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:19,109 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:19,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:19,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:19,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:19,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:19,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:19,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:19,111 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:19,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:19,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:19,112 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_cf951f37-57b9-42da-8850-ddaa3a8763ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc [2022-10-17 16:51:19,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:19,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:19,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:19,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:19,472 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:19,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2022-10-17 16:51:19,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/data/3a36f30ac/04ea8e2a6bee4caf88a220700b12d316/FLAGb2f925b44 [2022-10-17 16:51:20,014 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:20,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2022-10-17 16:51:20,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/data/3a36f30ac/04ea8e2a6bee4caf88a220700b12d316/FLAGb2f925b44 [2022-10-17 16:51:20,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/data/3a36f30ac/04ea8e2a6bee4caf88a220700b12d316 [2022-10-17 16:51:20,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:20,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:20,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:20,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:20,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:20,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c711bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20, skipping insertion in model container [2022-10-17 16:51:20,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:20,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:20,608 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_cf951f37-57b9-42da-8850-ddaa3a8763ad/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2022-10-17 16:51:20,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:20,632 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:20,645 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_cf951f37-57b9-42da-8850-ddaa3a8763ad/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c[458,471] [2022-10-17 16:51:20,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:20,664 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:20,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20 WrapperNode [2022-10-17 16:51:20,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:20,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:20,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:20,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:20,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,698 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:51:20,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:20,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:20,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:20,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:20,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:20,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:20,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:20,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:20,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:20,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:20,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:20,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:51:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:51:20,885 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:20,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:21,078 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:21,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:21,106 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:21,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:21 BoogieIcfgContainer [2022-10-17 16:51:21,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:21,114 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:21,114 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:21,137 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:21,137 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:21" (1/1) ... [2022-10-17 16:51:21,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-10-17 16:51:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-10-17 16:51:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:21,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:21,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:21,517 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 16:51:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:51:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:51:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:21,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:21,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:51:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:51:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:22,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:22,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:22,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:51:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:51:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:51:22,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:22,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:51:22,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-10-17 16:51:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:51:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:23,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:23,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:23,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:51:23,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:24,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-10-17 16:51:24,534 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-10-17 16:51:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:51:24,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:24,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:24,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:51:24,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 33 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:51:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-10-17 16:51:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-10-17 16:51:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:25,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:25,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:25,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:51:25,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:51:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-10-17 16:51:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-10-17 16:51:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:51:26,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:51:26,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:51:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 26 states and 36 transitions. [2022-10-17 16:51:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-10-17 16:51:29,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:51:29,083 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-10-17 16:51:29,095 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:51:29,248 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:51:29,252 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:51:29,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:51:29 ImpRootNode [2022-10-17 16:51:29,253 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:51:29,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:51:29,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:51:29,254 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:51:29,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:21" (3/4) ... [2022-10-17 16:51:29,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:51:29,274 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:51:29,285 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:51:29,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:51:29,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:51:29,293 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:51:29,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:51:29,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:51:29,353 INFO L158 Benchmark]: Toolchain (without parser) took 8968.13ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 60.6MB in the beginning and 105.7MB in the end (delta: -45.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,354 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:29,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.52ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 79.0MB in the end (delta: -18.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.28ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:29,357 INFO L158 Benchmark]: Boogie Preprocessor took 21.67ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,361 INFO L158 Benchmark]: RCFGBuilder took 390.89ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,362 INFO L158 Benchmark]: CodeCheck took 8139.14ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 64.9MB in the beginning and 107.8MB in the end (delta: -42.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,363 INFO L158 Benchmark]: Witness Printer took 98.74ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:29,366 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 272 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 306 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 306 mSolverCounterUnsat, 84 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1488 GetRequests, 1348 SyntacticMatches, 44 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3514 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 193 ConstructedInterpolants, 2 QuantifiedInterpolants, 949 SizeOfPredicates, 13 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 222/331 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.52ms. Allocated memory is still 102.8MB. Free memory was 60.4MB in the beginning and 79.0MB in the end (delta: -18.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.28ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 77.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.67ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.89ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.9MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 8139.14ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 64.9MB in the beginning and 107.8MB in the end (delta: -42.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 98.74ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 105.7MB 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 16:51:29,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf951f37-57b9-42da-8850-ddaa3a8763ad/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