./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY --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 af6435cd57a20eac54acaf59c651a26bc7b64982 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:01:23,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:01:23,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:01:23,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:01:23,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:01:23,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:01:23,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:01:23,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:01:23,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:01:23,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:01:23,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:01:23,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:01:23,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:01:23,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:01:23,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:01:23,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:01:23,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:01:23,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:01:23,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:01:23,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:01:23,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:01:23,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:01:23,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:01:23,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:01:23,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:01:23,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:01:23,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:01:23,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:01:23,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:01:23,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:01:23,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:01:23,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:01:23,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:01:23,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:01:23,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:01:23,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:01:23,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:01:23,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:01:23,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:01:23,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:01:23,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:01:23,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 05:01:23,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:01:23,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:01:23,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:01:23,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:01:23,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:01:23,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:01:23,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:01:23,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 05:01:23,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:01:23,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 05:01:23,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:01:23,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:01:23,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:01:23,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:01:23,180 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 05:01:23,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:01:23,180 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:01:23,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:01:23,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:01:23,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:01:23,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:01:23,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:01:23,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:01:23,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:01:23,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:01:23,184 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:01:23,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:01:23,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:01:23,185 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_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af6435cd57a20eac54acaf59c651a26bc7b64982 [2021-10-13 05:01:23,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:01:23,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:01:23,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:01:23,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:01:23,494 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:01:23,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-10-13 05:01:23,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/data/3dd1ac57a/b8b55cada0ff4171bda71ee3d0215d82/FLAGa642596a1 [2021-10-13 05:01:24,112 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:01:24,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2021-10-13 05:01:24,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/data/3dd1ac57a/b8b55cada0ff4171bda71ee3d0215d82/FLAGa642596a1 [2021-10-13 05:01:24,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/data/3dd1ac57a/b8b55cada0ff4171bda71ee3d0215d82 [2021-10-13 05:01:24,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:01:24,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:01:24,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:01:24,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:01:24,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:01:24,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59159bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24, skipping insertion in model container [2021-10-13 05:01:24,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:01:24,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:01:24,691 WARN L228 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_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-10-13 05:01:24,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:01:24,714 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:01:24,726 WARN L228 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_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2021-10-13 05:01:24,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:01:24,746 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:01:24,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24 WrapperNode [2021-10-13 05:01:24,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:01:24,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:01:24,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:01:24,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:01:24,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:01:24,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:01:24,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:01:24,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:01:24,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:01:24,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:01:24,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:01:24,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:01:24,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:01:24" (1/1) ... [2021-10-13 05:01:24,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:01:24,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:01:24,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:01:24,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:01:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 05:01:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:01:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:01:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:01:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 05:01:24,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 05:01:25,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:01:25,171 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 05:01:25,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:01:25 BoogieIcfgContainer [2021-10-13 05:01:25,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:01:25,174 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:01:25,174 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:01:25,185 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:01:25,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:01:25" (1/1) ... [2021-10-13 05:01:25,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:01:25,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-13 05:01:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-13 05:01:25,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 05:01:25,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:25,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-13 05:01:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-13 05:01:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 05:01:25,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:25,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:25,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-13 05:01:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-13 05:01:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 05:01:25,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:25,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:25,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 05:01:25,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-10-13 05:01:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-10-13 05:01:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 05:01:25,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:25,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:25,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 05:01:25,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2021-10-13 05:01:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2021-10-13 05:01:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 05:01:26,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:26,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:27,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 05:01:27,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-10-13 05:01:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-10-13 05:01:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 05:01:27,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:27,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:27,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 05:01:27,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-10-13 05:01:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-10-13 05:01:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 05:01:27,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:27,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:27,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 05:01:27,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 05:01:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:28,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2021-10-13 05:01:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2021-10-13 05:01:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 05:01:28,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:28,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:28,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 05:01:28,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2021-10-13 05:01:28,863 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2021-10-13 05:01:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 05:01:28,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:28,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:28,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 05:01:28,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:29,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 05:01:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2021-10-13 05:01:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2021-10-13 05:01:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 05:01:29,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:29,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:29,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 05:01:29,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2021-10-13 05:01:30,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2021-10-13 05:01:30,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 05:01:30,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:30,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:30,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 05:01:30,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:01:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:01:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2021-10-13 05:01:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2021-10-13 05:01:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:01:42,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:01:42,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:01:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:01:42,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 05:01:42,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:01:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:02:05,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:02:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 48 transitions. [2021-10-13 05:02:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2021-10-13 05:02:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 05:02:05,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:02:05,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:02:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:02:05,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 05:02:05,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 05:02:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:02:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:02:09,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 27 states and 34 transitions. [2021-10-13 05:02:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-10-13 05:02:09,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 05:02:09,335 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-10-13 05:02:09,341 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 05:02:09,516 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 05:02:09,519 INFO L565 CodeCheckObserver]: Invariant with dag size 25 [2021-10-13 05:02:09,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:02:09 ImpRootNode [2021-10-13 05:02:09,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:02:09,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:02:09,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:02:09,528 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:02:09,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:01:25" (3/4) ... [2021-10-13 05:02:09,531 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 05:02:09,536 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-13 05:02:09,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-13 05:02:09,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 05:02:09,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 05:02:09,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:02:09,582 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:02:09,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:02:09,584 INFO L168 Benchmark]: Toolchain (without parser) took 45108.77 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 80.1 MB in the beginning and 80.4 MB in the end (delta: -328.0 kB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,585 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 115.3 MB. Free memory was 91.5 MB in the beginning and 91.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:02:09,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.28 ms. Allocated memory is still 115.3 MB. Free memory was 80.1 MB in the beginning and 90.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.59 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 88.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,587 INFO L168 Benchmark]: Boogie Preprocessor took 21.06 ms. Allocated memory is still 115.3 MB. Free memory was 88.7 MB in the beginning and 87.8 MB in the end (delta: 836.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:02:09,588 INFO L168 Benchmark]: RCFGBuilder took 369.30 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 76.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,588 INFO L168 Benchmark]: CodeCheck took 44353.18 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 76.6 MB in the beginning and 83.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,589 INFO L168 Benchmark]: Witness Printer took 54.77 ms. Allocated memory is still 155.2 MB. Free memory was 83.5 MB in the beginning and 80.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:02:09,592 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: 44129.0ms, OverallIterations: 14, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 78096 SDtfs, 8036 SDslu, 23328 SDs, 0 SdLazy, 124762 SolverSat, 54838 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 72836.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1570 GetRequests, 1339 SyntacticMatches, 41 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15666 ImplicationChecksByTransitivity, 10719.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 52.8ms SsaConstructionTime, 203.3ms SatisfiabilityAnalysisTime, 2024.3ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 570 SizeOfPredicates, 15 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 25/36 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((A == r && counter == 0) && b == 1) && q == 0) && B == b) || (((1 < counter && A == r) && q == 0) && 2 <= r % 4294967296)) || ((((b == 2 && counter <= 1) && 0 < counter) && A == r) && q == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 115.3 MB. Free memory was 91.5 MB in the beginning and 91.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.28 ms. Allocated memory is still 115.3 MB. Free memory was 80.1 MB in the beginning and 90.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.59 ms. Allocated memory is still 115.3 MB. Free memory was 90.0 MB in the beginning and 88.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.06 ms. Allocated memory is still 115.3 MB. Free memory was 88.7 MB in the beginning and 87.8 MB in the end (delta: 836.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 369.30 ms. Allocated memory is still 115.3 MB. Free memory was 87.8 MB in the beginning and 76.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 44353.18 ms. Allocated memory was 115.3 MB in the beginning and 155.2 MB in the end (delta: 39.8 MB). Free memory was 76.6 MB in the beginning and 83.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * Witness Printer took 54.77 ms. Allocated memory is still 155.2 MB. Free memory was 83.5 MB in the beginning and 80.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 05:02:09,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3987ac-640c-4e34-bff5-fc6d81d6d1fb/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...