./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/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 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb ............................................................................................................................................................................................................................................................... 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 03:55:51,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:55:51,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:55:51,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:55:51,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:55:51,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:55:51,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:55:51,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:55:51,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:55:51,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:55:51,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:55:51,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:55:51,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:55:51,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:55:51,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:55:51,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:55:51,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:55:51,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:55:51,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:55:51,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:55:51,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:55:51,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:55:51,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:55:51,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:55:51,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:55:51,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:55:51,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:55:51,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:55:51,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:55:51,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:55:51,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:55:51,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:55:51,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:55:51,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:55:51,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:55:51,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:55:51,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:55:51,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:55:51,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:55:51,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:55:51,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:55:51,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:55:51,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:55:51,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:55:51,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:55:51,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:55:51,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:55:51,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:55:51,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:55:51,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:55:51,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:55:51,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:55:51,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:55:51,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:55:51,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:55:51,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:55:51,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:55:51,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:55:51,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:55:51,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:55:51,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:55:51,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:55:51,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:55:51,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:55:51,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:55:51,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:55:51,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:55:51,817 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:55:51,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:55:51,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:55:51,818 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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb [2021-10-29 03:55:52,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:55:52,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:55:52,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:55:52,164 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:55:52,165 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:55:52,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2021-10-29 03:55:52,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/data/da5bd2638/cfb1cd48408643a5b6af8314f788575f/FLAG8ad56b891 [2021-10-29 03:55:52,872 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:55:52,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2021-10-29 03:55:52,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/data/da5bd2638/cfb1cd48408643a5b6af8314f788575f/FLAG8ad56b891 [2021-10-29 03:55:53,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/data/da5bd2638/cfb1cd48408643a5b6af8314f788575f [2021-10-29 03:55:53,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:55:53,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:55:53,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:55:53,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:55:53,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:55:53,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285ab209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53, skipping insertion in model container [2021-10-29 03:55:53,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:55:53,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:55:53,541 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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c[546,559] [2021-10-29 03:55:53,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:55:53,584 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:55:53,609 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_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c[546,559] [2021-10-29 03:55:53,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:55:53,648 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:55:53,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53 WrapperNode [2021-10-29 03:55:53,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:55:53,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:55:53,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:55:53,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:55:53,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:55:53,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:55:53,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:55:53,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:55:53,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:55:53,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:55:53,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:55:53,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:55:53,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:55:53" (1/1) ... [2021-10-29 03:55:53,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:55:53,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:55:53,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:55:53,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:55:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:55:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:55:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:55:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:55:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:55:54,153 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:55:54,154 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:55:54,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:55:54 BoogieIcfgContainer [2021-10-29 03:55:54,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:55:54,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:55:54,159 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:55:54,171 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:55:54,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:55:54" (1/1) ... [2021-10-29 03:55:54,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:55:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-10-29 03:55:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-10-29 03:55:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:55:54,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:54,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:54,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:55:54,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:55:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:55:55,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 34 transitions. [2021-10-29 03:55:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2021-10-29 03:55:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:55:55,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:55,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:55,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 03:55:55,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:55:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:55:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 41 transitions. [2021-10-29 03:55:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-10-29 03:55:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:55:56,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:56,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:56,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-29 03:55:56,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:55:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:55:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 46 transitions. [2021-10-29 03:55:57,067 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2021-10-29 03:55:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:55:57,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:55:57,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:55:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:55:57,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-29 03:55:57,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:55:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-29 03:55:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:55:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 23 states and 28 transitions. [2021-10-29 03:55:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-10-29 03:55:58,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:55:58,923 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2021-10-29 03:55:58,929 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:55:59,032 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:55:59,036 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:55:59,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:55:59 ImpRootNode [2021-10-29 03:55:59,036 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:55:59,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:55:59,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:55:59,038 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:55:59,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:55:54" (3/4) ... [2021-10-29 03:55:59,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:55:59,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-10-29 03:55:59,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:55:59,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 03:55:59,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:55:59,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:55:59,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:55:59,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:55:59,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:55:59,111 INFO L168 Benchmark]: Toolchain (without parser) took 5851.05 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 72.7 MB in the beginning and 66.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,112 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:55:59,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.20 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 81.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,114 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,114 INFO L168 Benchmark]: Boogie Preprocessor took 42.92 ms. Allocated memory is still 107.0 MB. Free memory was 80.4 MB in the beginning and 79.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:55:59,115 INFO L168 Benchmark]: RCFGBuilder took 406.28 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 68.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,116 INFO L168 Benchmark]: CodeCheck took 4878.20 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 68.2 MB in the beginning and 69.0 MB in the end (delta: -796.2 kB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,117 INFO L168 Benchmark]: Witness Printer took 71.92 ms. Allocated memory is still 132.1 MB. Free memory was 69.0 MB in the beginning and 66.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:55:59,121 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 216 SDtfs, 102 SDslu, 104 SDs, 0 SdLazy, 794 SolverSat, 256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 908 GetRequests, 841 SyntacticMatches, 11 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 1 QuantifiedInterpolants, 404 SizeOfPredicates, 11 NumberOfNonLiveVariables, 403 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 4 InterpolantComputations, 0 PerfectInterpolantSequences, 57/69 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: 18]: 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: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.20 ms. Allocated memory is still 107.0 MB. Free memory was 72.5 MB in the beginning and 81.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 80.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.92 ms. Allocated memory is still 107.0 MB. Free memory was 80.4 MB in the beginning and 79.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 406.28 ms. Allocated memory is still 107.0 MB. Free memory was 79.4 MB in the beginning and 68.2 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 4878.20 ms. Allocated memory was 107.0 MB in the beginning and 132.1 MB in the end (delta: 25.2 MB). Free memory was 68.2 MB in the beginning and 69.0 MB in the end (delta: -796.2 kB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * Witness Printer took 71.92 ms. Allocated memory is still 132.1 MB. Free memory was 69.0 MB in the beginning and 66.9 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 03:55:59,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5b8501a-04d4-4efc-b4d2-da3008bb7ed2/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...