./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ --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 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:56,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:56,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:56,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:56,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:56,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:56,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:56,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:56,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:56,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:56,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:56,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:56,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:56,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:56,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:56,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:56,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:56,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:56,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:56,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:56,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:56,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:56,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:56,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:56,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:56,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:56,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:56,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:56,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:56,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:56,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:56,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:56,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:56,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:56,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:56,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:56,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:56,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:56,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:56,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:56,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:56,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:59:56,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:56,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:56,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:56,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:56,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:56,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:56,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:56,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:56,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:56,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:56,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:56,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:56,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:56,848 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:56,848 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:56,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:56,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:56,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:56,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:56,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:56,849 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:56,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:56,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:56,850 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_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b [2021-11-23 00:59:57,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:57,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:57,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:57,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:57,187 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:57,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2021-11-23 00:59:57,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/data/af8f80c8c/4c67bbc4bbf948f5aa5b18c71ce15309/FLAG1d42fa374 [2021-11-23 00:59:57,910 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:57,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2021-11-23 00:59:57,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/data/af8f80c8c/4c67bbc4bbf948f5aa5b18c71ce15309/FLAG1d42fa374 [2021-11-23 00:59:58,125 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/data/af8f80c8c/4c67bbc4bbf948f5aa5b18c71ce15309 [2021-11-23 00:59:58,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:58,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:58,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:58,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:58,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:58,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:58" (1/1) ... [2021-11-23 00:59:58,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5015aba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:58, skipping insertion in model container [2021-11-23 00:59:58,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:58" (1/1) ... [2021-11-23 00:59:58,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:58,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:58,562 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_80133499-8ac7-4774-a04a-b41b932d3b26/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2021-11-23 00:59:58,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:58,835 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:58,864 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_80133499-8ac7-4774-a04a-b41b932d3b26/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2021-11-23 00:59:59,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:59,039 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:59,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59 WrapperNode [2021-11-23 00:59:59,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:59,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:59,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:59,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:59,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,191 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-11-23 00:59:59,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:59,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:59,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:59,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:59,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:59,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:59,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:59,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:59,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:59" (1/1) ... [2021-11-23 00:59:59,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:59,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:59,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:59,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:59,622 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:59,623 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:00:01,202 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:00:05,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:00:05,774 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:00:05,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:05 BoogieIcfgContainer [2021-11-23 01:00:05,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:00:05,778 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:00:05,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:00:05,788 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:00:05,788 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:05" (1/1) ... [2021-11-23 01:00:05,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:00:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:00:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:00:05,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:00:05,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:00:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:00:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:00:06,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:07,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:00:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:00:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:00:07,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:22,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:00:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2021-11-23 01:00:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-11-23 01:00:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:00:23,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:23,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2021-11-23 01:00:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2021-11-23 01:00:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:00:25,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:25,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 94 transitions. [2021-11-23 01:00:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2021-11-23 01:00:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:00:32,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:32,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:38,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:00:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 107 transitions. [2021-11-23 01:00:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 107 transitions. [2021-11-23 01:00:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:00:38,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:38,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 111 transitions. [2021-11-23 01:00:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2021-11-23 01:00:42,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:00:42,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:42,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:01:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:04,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 62 states and 137 transitions. [2021-11-23 01:01:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 137 transitions. [2021-11-23 01:01:04,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:01:04,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:04,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:01:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 140 transitions. [2021-11-23 01:01:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 140 transitions. [2021-11-23 01:01:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:01:17,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:17,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:01:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2021-11-23 01:01:30,601 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2021-11-23 01:01:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:01:30,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:30,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:01:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 123 transitions. [2021-11-23 01:01:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 123 transitions. [2021-11-23 01:01:36,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:01:36,315 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-11-23 01:01:36,323 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:01:37,248 INFO L560 CodeCheckObserver]: Invariant with dag size 39 [2021-11-23 01:01:37,262 INFO L560 CodeCheckObserver]: Invariant with dag size 33 [2021-11-23 01:01:37,264 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:01:37,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:01:37 ImpRootNode [2021-11-23 01:01:37,264 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:01:37,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:01:37,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:01:37,265 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:01:37,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:05" (3/4) ... [2021-11-23 01:01:37,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:01:37,300 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 256 nodes and edges [2021-11-23 01:01:37,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-23 01:01:37,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:01:37,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:01:37,498 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:01:37,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:01:37,500 INFO L158 Benchmark]: Toolchain (without parser) took 99371.24ms. Allocated memory was 88.1MB in the beginning and 3.9GB in the end (delta: 3.8GB). Free memory was 52.3MB in the beginning and 3.4GB in the end (delta: -3.4GB). Peak memory consumption was 457.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,500 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:37,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 909.04ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.1MB in the beginning and 58.2MB in the end (delta: -6.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.74ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 41.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,501 INFO L158 Benchmark]: Boogie Preprocessor took 247.33ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 77.9MB in the end (delta: -36.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,502 INFO L158 Benchmark]: RCFGBuilder took 6336.86ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 77.9MB in the beginning and 1.0GB in the end (delta: -934.3MB). Peak memory consumption was 259.7MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,502 INFO L158 Benchmark]: CodeCheck took 91486.65ms. Allocated memory was 1.3GB in the beginning and 3.9GB in the end (delta: 2.6GB). Free memory was 1.0GB in the beginning and 3.4GB in the end (delta: -2.4GB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,503 INFO L158 Benchmark]: Witness Printer took 233.86ms. Allocated memory is still 3.9GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 01:01:37,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 90.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 765 SdHoareTripleChecker+Valid, 150.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 689 mSDsluCounter, 737 SdHoareTripleChecker+Invalid, 147.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 462 mSDsCounter, 425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2241 IncrementalHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 425 mSolverCounterUnsat, 275 mSDtfsCounter, 2241 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2070 GetRequests, 1828 SyntacticMatches, 86 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12556 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 14.2s SatisfiabilityAnalysisTime, 45.9s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 4720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 14/249 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: 157]: 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: 1044]: Loop Invariant Derived loop invariant: (((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a3 == 1 && a8 == 15) && ((a25 == 9 || a23 <= 138) || a25 == 10))) || ((a3 == 1 && a8 == 15) && (((307 <= a23 || 278 <= a29) || a29 <= 245) || !(a4 == 1)))) || (((a25 <= 12 && 10 < a25) && a3 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a29 <= 245 && a3 == 1) && a8 == 15)) || ((a3 == 1 && ((((a25 == 12 || 277 < a29) || a23 <= 138) || 306 < a23) || !(a4 == 1))) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 909.04ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 52.1MB in the beginning and 58.2MB in the end (delta: -6.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.74ms. Allocated memory is still 117.4MB. Free memory was 58.2MB in the beginning and 41.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.33ms. Allocated memory is still 117.4MB. Free memory was 41.4MB in the beginning and 77.9MB in the end (delta: -36.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * RCFGBuilder took 6336.86ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 77.9MB in the beginning and 1.0GB in the end (delta: -934.3MB). Peak memory consumption was 259.7MB. Max. memory is 16.1GB. * CodeCheck took 91486.65ms. Allocated memory was 1.3GB in the beginning and 3.9GB in the end (delta: 2.6GB). Free memory was 1.0GB in the beginning and 3.4GB in the end (delta: -2.4GB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. * Witness Printer took 233.86ms. Allocated memory is still 3.9GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:01:37,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80133499-8ac7-4774-a04a-b41b932d3b26/bin/ukojak-LBtLqBUTdQ/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