./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI --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 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 ............................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:45:20,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:45:20,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:45:20,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:45:20,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:45:20,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:45:20,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:45:20,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:45:20,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:45:20,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:45:20,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:45:20,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:45:20,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:45:20,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:45:20,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:45:20,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:45:20,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:45:20,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:45:20,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:45:20,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:45:20,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:45:20,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:45:20,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:45:20,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:45:20,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:45:20,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:45:20,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:45:20,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:45:20,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:45:20,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:45:20,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:45:20,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:45:20,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:45:20,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:45:20,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:45:20,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:45:20,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:45:20,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:45:20,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:45:20,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:45:20,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:45:20,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:45:20,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:45:20,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:45:20,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:45:20,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:45:20,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:45:20,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:45:20,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:45:20,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:45:20,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:45:20,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:45:20,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:45:20,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:45:20,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:45:20,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:45:20,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:45:20,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:45:20,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:45:20,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:45:20,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:45:20,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:45:20,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:45:20,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:45:20,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:45:20,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:45:20,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:45:20,687 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:45:20,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:45:20,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:45:20,687 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_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1108eeb4bd20019b014e3c74d7da568cbd9d144764ba0dc8eabd0c3ee1f98907 [2021-10-29 03:45:20,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:45:21,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:45:21,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:45:21,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:45:21,009 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:45:21,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-29 03:45:21,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/data/cb1332c78/b18af762428e4249a176f2c3cb325622/FLAGe90f1efd6 [2021-10-29 03:45:21,726 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:45:21,727 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/sv-benchmarks/c/eca-rers2012/Problem11_label04.c [2021-10-29 03:45:21,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/data/cb1332c78/b18af762428e4249a176f2c3cb325622/FLAGe90f1efd6 [2021-10-29 03:45:21,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/data/cb1332c78/b18af762428e4249a176f2c3cb325622 [2021-10-29 03:45:21,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:45:21,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:45:21,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:45:21,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:45:21,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:45:21,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:45:21" (1/1) ... [2021-10-29 03:45:21,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bab4cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:21, skipping insertion in model container [2021-10-29 03:45:21,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:45:21" (1/1) ... [2021-10-29 03:45:21,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:45:22,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:45:22,404 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_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-29 03:45:22,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:45:22,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:45:22,785 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_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/sv-benchmarks/c/eca-rers2012/Problem11_label04.c[7746,7759] [2021-10-29 03:45:22,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:45:22,920 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:45:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22 WrapperNode [2021-10-29 03:45:22,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:45:22,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:45:22,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:45:22,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:45:22,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:22,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:45:23,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:45:23,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:45:23,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:45:23,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:45:23,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:45:23,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:45:23,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:45:23,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:22" (1/1) ... [2021-10-29 03:45:23,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:45:23,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:45:23,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:45:23,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:45:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:45:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:45:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:45:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:45:54,093 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:45:54,093 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:45:54,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:54 BoogieIcfgContainer [2021-10-29 03:45:54,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:45:54,097 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:45:54,097 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:45:54,112 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:45:54,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:54" (1/1) ... [2021-10-29 03:45:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:45:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:45:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:45:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:45:54,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:54,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 03:45:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 03:45:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:45:54,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:54,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-29 03:45:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-29 03:45:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:45:56,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:56,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:12,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2021-10-29 03:46:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2021-10-29 03:46:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:46:12,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:12,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2021-10-29 03:46:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2021-10-29 03:46:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:46:15,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:15,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 48 states and 108 transitions. [2021-10-29 03:46:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 108 transitions. [2021-10-29 03:46:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:46:21,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:21,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:25,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 51 states and 113 transitions. [2021-10-29 03:46:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2021-10-29 03:46:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:46:25,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:25,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 54 states and 120 transitions. [2021-10-29 03:46:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2021-10-29 03:46:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:46:28,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:28,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:46:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 58 states and 129 transitions. [2021-10-29 03:46:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 129 transitions. [2021-10-29 03:46:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:46:41,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:41,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:46:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2021-10-29 03:46:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2021-10-29 03:46:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:46:43,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:43,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:46:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2021-10-29 03:46:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2021-10-29 03:46:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:46:46,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:46,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-29 03:46:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 49 states and 111 transitions. [2021-10-29 03:46:48,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 111 transitions. [2021-10-29 03:46:48,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:46:48,319 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-10-29 03:46:48,324 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:46:49,191 INFO L565 CodeCheckObserver]: Invariant with dag size 36 [2021-10-29 03:46:49,202 INFO L565 CodeCheckObserver]: Invariant with dag size 36 [2021-10-29 03:46:49,204 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:46:49,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:46:49 ImpRootNode [2021-10-29 03:46:49,205 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:46:49,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:46:49,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:46:49,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:46:49,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:54" (3/4) ... [2021-10-29 03:46:49,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:46:49,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 255 nodes and edges [2021-10-29 03:46:49,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-29 03:46:49,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:46:49,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:46:49,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:46:49,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:46:49,422 INFO L168 Benchmark]: Toolchain (without parser) took 87468.60 ms. Allocated memory was 88.1 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 63.0 MB in the beginning and 607.2 MB in the end (delta: -544.1 MB). Peak memory consumption was 939.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,422 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:46:49,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.71 ms. Allocated memory is still 88.1 MB. Free memory was 62.7 MB in the beginning and 31.1 MB in the end (delta: 31.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.45 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 31.1 MB in the beginning and 67.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,424 INFO L168 Benchmark]: Boogie Preprocessor took 127.43 ms. Allocated memory is still 107.0 MB. Free memory was 66.7 MB in the beginning and 57.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,424 INFO L168 Benchmark]: RCFGBuilder took 30846.25 ms. Allocated memory was 107.0 MB in the beginning and 1.1 GB in the end (delta: 943.7 MB). Free memory was 57.7 MB in the beginning and 614.4 MB in the end (delta: -556.7 MB). Peak memory consumption was 417.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,425 INFO L168 Benchmark]: CodeCheck took 55108.71 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 522.2 MB). Free memory was 614.4 MB in the beginning and 634.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 502.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,425 INFO L168 Benchmark]: Witness Printer took 214.62 ms. Allocated memory is still 1.6 GB. Free memory was 634.6 MB in the beginning and 607.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:46:49,427 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: 54.1s, 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: 14076 SDtfs, 28232 SDslu, 19960 SDs, 0 SdLazy, 87626 SolverSat, 11074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 167.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1996 GetRequests, 1792 SyntacticMatches, 80 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7463 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 12.5s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 3575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 96/230 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: 175]: 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: ((((((a29 <= 140 || 246 <= a29) || a25 <= 8) && a3 == 1) && a8 == 15) || ((10 <= a25 && a3 == 1) && a8 == 15)) || (((!(a4 == 1) || 0 <= a23 + 42) && a3 == 1) && a8 == 15)) || ((((10 <= a25 && a4 == 1) && 312 <= a23) && 130 <= a29) && a29 <= 130) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((a29 <= 140 || 245 < a29) || !(a25 == 9)) && a3 == 1) && a8 == 15) || ((a3 == 1 && !(a4 == 1)) && a8 == 15)) || ((0 < a23 + 43 && a3 == 1) && a8 == 15)) || ((((10 <= a25 && a4 == 1) && 312 <= a23) && 130 <= a29) && a29 <= 130) - 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 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 967.71 ms. Allocated memory is still 88.1 MB. Free memory was 62.7 MB in the beginning and 31.1 MB in the end (delta: 31.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 198.45 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 31.1 MB in the beginning and 67.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 127.43 ms. Allocated memory is still 107.0 MB. Free memory was 66.7 MB in the beginning and 57.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 30846.25 ms. Allocated memory was 107.0 MB in the beginning and 1.1 GB in the end (delta: 943.7 MB). Free memory was 57.7 MB in the beginning and 614.4 MB in the end (delta: -556.7 MB). Peak memory consumption was 417.6 MB. Max. memory is 16.1 GB. * CodeCheck took 55108.71 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 522.2 MB). Free memory was 614.4 MB in the beginning and 634.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 502.9 MB. Max. memory is 16.1 GB. * Witness Printer took 214.62 ms. Allocated memory is still 1.6 GB. Free memory was 634.6 MB in the beginning and 607.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:46:49,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_445d71f9-36a3-43c5-9e5b-c6f01e6dcf68/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...