./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/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 dbc7fc96c6d4708331280184201322c719c7fb1504d84fafd0b9583653597d2e ............................................................................................................................................................................................................................................................................................................... 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 03:30:48,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:30:48,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:30:48,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:30:48,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:30:48,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:30:48,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:30:48,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:30:48,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:30:48,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:30:48,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:30:48,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:30:48,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:30:48,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:30:48,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:30:48,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:30:48,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:30:48,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:30:48,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:30:48,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:30:48,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:30:48,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:30:48,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:30:48,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:30:49,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:30:49,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:30:49,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:30:49,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:30:49,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:30:49,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:30:49,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:30:49,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:30:49,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:30:49,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:30:49,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:30:49,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:30:49,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:30:49,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:30:49,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:30:49,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:30:49,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:30:49,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:30:49,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:30:49,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:30:49,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:30:49,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:30:49,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:30:49,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:30:49,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:30:49,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:30:49,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:30:49,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:30:49,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:30:49,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:30:49,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:30:49,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:30:49,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:30:49,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:30:49,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:30:49,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:30:49,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:30:49,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:30:49,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:30:49,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:49,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:30:49,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:30:49,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:30:49,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:30:49,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:30:49,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:30:49,077 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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbc7fc96c6d4708331280184201322c719c7fb1504d84fafd0b9583653597d2e [2021-10-29 03:30:49,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:30:49,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:30:49,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:30:49,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:30:49,423 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:30:49,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.c [2021-10-29 03:30:49,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/data/a7d32ff60/8d8b59713f134f62a21caa7def109801/FLAG8af1d999a [2021-10-29 03:30:50,016 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:30:50,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.c [2021-10-29 03:30:50,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/data/a7d32ff60/8d8b59713f134f62a21caa7def109801/FLAG8af1d999a [2021-10-29 03:30:50,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/data/a7d32ff60/8d8b59713f134f62a21caa7def109801 [2021-10-29 03:30:50,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:30:50,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:30:50,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:50,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:30:50,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:30:50,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa64a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50, skipping insertion in model container [2021-10-29 03:30:50,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:30:50,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:30:50,546 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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.c[458,471] [2021-10-29 03:30:50,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:50,576 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:30:50,587 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_2cb2fe1c-a624-4c77-92cf-9f981010bed6/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound2.c[458,471] [2021-10-29 03:30:50,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:30:50,609 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:30:50,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50 WrapperNode [2021-10-29 03:30:50,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:30:50,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:50,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:30:50,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:30:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:30:50,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:30:50,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:30:50,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:30:50,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:30:50,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:30:50,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:30:50,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:30:50,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:30:50" (1/1) ... [2021-10-29 03:30:50,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:30:50,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:30:50,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:30:50,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:30:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:30:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:30:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:30:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:30:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:30:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:30:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:30:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:30:51,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:30:51,025 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:30:51,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:51 BoogieIcfgContainer [2021-10-29 03:30:51,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:30:51,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:30:51,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:30:51,040 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:30:51,041 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:51" (1/1) ... [2021-10-29 03:30:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:30:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-29 03:30:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-29 03:30:51,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:30:51,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:51,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-10-29 03:30:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-29 03:30:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:30:51,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:51,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:51,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:30:51,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-10-29 03:30:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-10-29 03:30:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:30:52,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:52,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:52,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:30:52,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-10-29 03:30:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-10-29 03:30:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:30:53,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:53,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:53,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:30:53,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:30:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-10-29 03:30:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-29 03:30:53,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:30:53,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:53,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:53,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:30:53,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 03:30:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 03:30:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:30:53,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:53,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:53,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:30:53,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:54,192 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 03:30:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-10-29 03:30:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-10-29 03:30:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:30:54,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:54,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:54,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:30:54,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 03:30:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2021-10-29 03:30:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2021-10-29 03:30:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:30:55,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:55,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:55,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:30:55,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:30:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:30:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 33 states and 45 transitions. [2021-10-29 03:30:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-29 03:30:57,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:30:57,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:30:57,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:30:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:30:58,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:30:58,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:30:58,412 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 03:31:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:31:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 27 states and 37 transitions. [2021-10-29 03:31:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-29 03:31:00,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:31:00,345 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2021-10-29 03:31:00,356 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:31:00,681 INFO L565 CodeCheckObserver]: Invariant with dag size 33 [2021-10-29 03:31:00,694 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:31:00,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:31:00 ImpRootNode [2021-10-29 03:31:00,695 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:31:00,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:31:00,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:31:00,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:31:00,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:30:51" (3/4) ... [2021-10-29 03:31:00,702 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:31:00,708 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 03:31:00,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:31:00,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 03:31:00,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:31:00,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:31:00,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:31:00,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:31:00,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:31:00,772 INFO L168 Benchmark]: Toolchain (without parser) took 10414.42 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 65.1 MB in the beginning and 60.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,773 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 68.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:31:00,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.34 ms. Allocated memory is still 107.0 MB. Free memory was 65.0 MB in the beginning and 81.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 107.0 MB. Free memory was 80.9 MB in the beginning and 79.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,775 INFO L168 Benchmark]: Boogie Preprocessor took 21.58 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,776 INFO L168 Benchmark]: RCFGBuilder took 361.29 ms. Allocated memory is still 107.0 MB. Free memory was 78.5 MB in the beginning and 67.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,777 INFO L168 Benchmark]: CodeCheck took 9666.34 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 67.0 MB in the beginning and 62.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,778 INFO L168 Benchmark]: Witness Printer took 73.85 ms. Allocated memory is still 132.1 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:31:00,787 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 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 6664 SDtfs, 1456 SDslu, 1688 SDs, 0 SdLazy, 9762 SolverSat, 3454 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1732 GetRequests, 1607 SyntacticMatches, 27 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3868 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 737 SizeOfPredicates, 11 NumberOfNonLiveVariables, 740 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 119/142 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((c <= 2 && 1 < k) || !((0 <= k && k <= 2) && 2 <= c)) || !(2 * (y * y * y * y * y) + 10 * (y * y * y) + 5 * y == 10 * (y * y) + x + 5 * (y * y * y * y) + 1 && y == 2) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 81.4 MB in the end (delta: 68.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.34 ms. Allocated memory is still 107.0 MB. Free memory was 65.0 MB in the beginning and 81.2 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 107.0 MB. Free memory was 80.9 MB in the beginning and 79.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.58 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 78.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 361.29 ms. Allocated memory is still 107.0 MB. Free memory was 78.5 MB in the beginning and 67.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 9666.34 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 67.0 MB in the beginning and 62.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. * Witness Printer took 73.85 ms. Allocated memory is still 132.1 MB. Free memory was 62.8 MB in the beginning and 60.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:31:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb2fe1c-a624-4c77-92cf-9f981010bed6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...