./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/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 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d --- 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 17:00:55,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:55,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:55,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:55,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:55,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:55,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:55,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:55,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:55,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:55,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:55,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:55,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:55,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:55,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:55,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:55,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:55,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:55,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:55,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:55,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:55,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:55,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:55,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:55,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:55,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:55,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:55,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:55,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:55,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:55,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:55,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:55,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:55,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:55,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:55,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:55,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:55,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:55,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:55,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:55,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:55,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:55,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:55,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:55,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:55,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:55,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:55,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:55,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:55,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:55,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:55,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:55,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:55,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:55,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:55,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:55,266 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:55,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:55,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:55,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:55,267 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:55,267 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:55,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:55,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:55,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:55,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:55,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:55,268 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:55,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:55,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:55,269 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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d [2022-10-17 17:00:55,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:55,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:55,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:55,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:55,607 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:55,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2022-10-17 17:00:55,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/data/c269e9b6e/ed94c4486a2a4e97a0debfb10903fce4/FLAG65821bb00 [2022-10-17 17:00:56,250 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:56,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2022-10-17 17:00:56,263 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/data/c269e9b6e/ed94c4486a2a4e97a0debfb10903fce4/FLAG65821bb00 [2022-10-17 17:00:56,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/data/c269e9b6e/ed94c4486a2a4e97a0debfb10903fce4 [2022-10-17 17:00:56,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:56,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:56,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:56,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:56,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:56,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14816c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56, skipping insertion in model container [2022-10-17 17:00:56,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:56,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:56,789 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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-10-17 17:00:56,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:56,810 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:56,829 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_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2022-10-17 17:00:56,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:56,853 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:56,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56 WrapperNode [2022-10-17 17:00:56,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:56,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:56,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:56,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:56,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,887 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-10-17 17:00:56,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:56,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:56,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:56,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:56,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:56,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:56,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:56,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:56,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:56" (1/1) ... [2022-10-17 17:00:56,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:56,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:56,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:57,058 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:57,065 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:57,229 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:57,284 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:57,284 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:57,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:57 BoogieIcfgContainer [2022-10-17 17:00:57,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:57,288 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:57,288 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:57,301 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:57,301 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:57" (1/1) ... [2022-10-17 17:00:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 17:00:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 17:00:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:00:57,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:57,797 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 17:00:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:00:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:00:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:00:57,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:57,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2022-10-17 17:00:58,597 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2022-10-17 17:00:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:58,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:58,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:59,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2022-10-17 17:00:59,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2022-10-17 17:00:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:59,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2022-10-17 17:00:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2022-10-17 17:00:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:59,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:59,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2022-10-17 17:01:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2022-10-17 17:01:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:00,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2022-10-17 17:01:00,540 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2022-10-17 17:01:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:00,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:00,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:00,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:00,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:00,615 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2022-10-17 17:01:00,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:00 ImpRootNode [2022-10-17 17:01:00,644 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:00,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:00,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:00,645 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:00,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:57" (3/4) ... [2022-10-17 17:01:00,647 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:01:00,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:00,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:00,693 INFO L158 Benchmark]: Toolchain (without parser) took 4088.82ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 87.1MB in the beginning and 115.0MB in the end (delta: -27.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,694 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:00,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.44ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 95.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.33ms. Allocated memory is still 121.6MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:00,696 INFO L158 Benchmark]: Boogie Preprocessor took 20.23ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,696 INFO L158 Benchmark]: RCFGBuilder took 378.31ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 82.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,697 INFO L158 Benchmark]: CodeCheck took 3356.25ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 82.4MB in the beginning and 117.1MB in the end (delta: -34.7MB). Peak memory consumption was 86.4kB. Max. memory is 16.1GB. [2022-10-17 17:01:00,698 INFO L158 Benchmark]: Witness Printer took 47.69ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:00,701 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 6 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 302 SyntacticMatches, 14 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/19 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 VAL [i=1, n=4, n=0] [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ VAL [i=2, n=2, n=4] [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ VAL [i=3, n=4, n=4] [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ VAL [i=4, n=4, n=6] [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND TRUE i==4 [L26] sn=-10 [L24] i++ VAL [i=5, n=4, n=-10] [L24] COND FALSE !(i<=n) [L28] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L16] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.44ms. Allocated memory is still 121.6MB. Free memory was 87.1MB in the beginning and 95.7MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.33ms. Allocated memory is still 121.6MB. Free memory was 95.7MB in the beginning and 94.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.23ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.31ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 82.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 3356.25ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 82.4MB in the beginning and 117.1MB in the end (delta: -34.7MB). Peak memory consumption was 86.4kB. Max. memory is 16.1GB. * Witness Printer took 47.69ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:01:00,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48797e2-1d2f-4766-a1f7-02e1c7e204c3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE