./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.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_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/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_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/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_723124ed-daa3-4f0e-9a07-6f34e91f098b/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 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b .................................................................................................................................................................................................................................................................................................................................. 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 04:25:56,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:25:56,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:25:56,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:25:56,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:25:56,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:25:56,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:25:56,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:25:56,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:25:56,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:25:56,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:25:56,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:25:56,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:25:56,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:25:56,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:25:56,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:25:56,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:25:56,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:25:56,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:25:56,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:25:56,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:25:56,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:25:56,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:25:56,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:25:56,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:25:56,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:25:56,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:25:56,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:25:56,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:25:56,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:25:56,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:25:56,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:25:56,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:25:56,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:25:56,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:25:56,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:25:56,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:25:56,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:25:56,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:25:56,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:25:56,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:25:56,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:25:56,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:25:56,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:25:56,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:25:56,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:25:56,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:25:56,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:25:56,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:25:56,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:25:56,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:25:56,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:25:56,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:25:56,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:25:56,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:25:56,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:25:56,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:25:56,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:25:56,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:25:56,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:25:56,816 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:25:56,816 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:25:56,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:25:56,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:25:56,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:25:56,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:25:56,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:25:56,818 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:25:56,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:25:56,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:25:56,819 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_723124ed-daa3-4f0e-9a07-6f34e91f098b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2021-10-29 04:25:57,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:25:57,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:25:57,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:25:57,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:25:57,202 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:25:57,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2021-10-29 04:25:57,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/data/7e30da2b1/024ffa12dd7c4998b2a3116d396b1424/FLAG0fc775a4f [2021-10-29 04:25:57,786 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:25:57,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2021-10-29 04:25:57,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/data/7e30da2b1/024ffa12dd7c4998b2a3116d396b1424/FLAG0fc775a4f [2021-10-29 04:25:58,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/data/7e30da2b1/024ffa12dd7c4998b2a3116d396b1424 [2021-10-29 04:25:58,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:25:58,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:25:58,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:25:58,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:25:58,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:25:58,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67384da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58, skipping insertion in model container [2021-10-29 04:25:58,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:25:58,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:25:58,407 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_723124ed-daa3-4f0e-9a07-6f34e91f098b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2021-10-29 04:25:58,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:25:58,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:25:58,478 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_723124ed-daa3-4f0e-9a07-6f34e91f098b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2021-10-29 04:25:58,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:25:58,497 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:25:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58 WrapperNode [2021-10-29 04:25:58,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:25:58,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:25:58,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:25:58,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:25:58,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:25:58,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:25:58,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:25:58,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:25:58,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:25:58,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:25:58,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:25:58,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:25:58,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:25:58" (1/1) ... [2021-10-29 04:25:58,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:25:58,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:25:58,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:25:58,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:25:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:25:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:25:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:25:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:25:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:25:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:25:59,027 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:25:59,027 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:25:59,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:59 BoogieIcfgContainer [2021-10-29 04:25:59,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:25:59,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:25:59,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:25:59,054 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:25:59,055 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:59" (1/1) ... [2021-10-29 04:25:59,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:25:59,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:25:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-29 04:25:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-29 04:25:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:25:59,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:25:59,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:25:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:25:59,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:25:59,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:25:59,547 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 04:25:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:25:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-10-29 04:25:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-10-29 04:25:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:25:59,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:25:59,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:25:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:25:59,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:25:59,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:26:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-10-29 04:26:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-10-29 04:26:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:26:00,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:00,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:00,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:26:00,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:26:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2021-10-29 04:26:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2021-10-29 04:26:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:26:00,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:00,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:00,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:26:00,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:26:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-10-29 04:26:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-10-29 04:26:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:26:01,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:01,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:01,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-29 04:26:01,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:26:02,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-10-29 04:26:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-29 04:26:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:26:02,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:02,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:02,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 04:26:02,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 04:26:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2021-10-29 04:26:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2021-10-29 04:26:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:26:03,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:03,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 04:26:03,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:26:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-10-29 04:26:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-10-29 04:26:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 04:26:04,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:04,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:04,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-29 04:26:04,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 04:26:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2021-10-29 04:26:06,028 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2021-10-29 04:26:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 04:26:06,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:06,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:06,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 04:26:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 04:26:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2021-10-29 04:26:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2021-10-29 04:26:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 04:26:07,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:07,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:08,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-29 04:26:08,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 41 proven. 111 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 04:26:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2021-10-29 04:26:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2021-10-29 04:26:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 04:26:11,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:26:11,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:26:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:26:11,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 04:26:11,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:26:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 158 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 04:26:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:26:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 55 transitions. [2021-10-29 04:26:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2021-10-29 04:26:15,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:26:15,778 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2021-10-29 04:26:15,786 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:26:15,990 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:26:15,994 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:26:15,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:26:15 ImpRootNode [2021-10-29 04:26:15,995 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:26:15,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:26:15,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:26:15,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:26:15,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:25:59" (3/4) ... [2021-10-29 04:26:16,000 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:26:16,005 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:26:16,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 04:26:16,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 04:26:16,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:26:16,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:26:16,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:26:16,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:26:16,071 INFO L168 Benchmark]: Toolchain (without parser) took 17923.23 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 49.0 MB in the beginning and 118.6 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:16,080 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:16,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.94 ms. Allocated memory is still 90.2 MB. Free memory was 48.8 MB in the beginning and 65.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:16,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 90.2 MB. Free memory was 64.8 MB in the beginning and 63.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:16,082 INFO L168 Benchmark]: Boogie Preprocessor took 26.02 ms. Allocated memory is still 90.2 MB. Free memory was 63.4 MB in the beginning and 62.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:26:16,087 INFO L168 Benchmark]: RCFGBuilder took 452.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 50.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:16,088 INFO L168 Benchmark]: CodeCheck took 16963.44 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 50.7 MB in the beginning and 121.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:16,088 INFO L168 Benchmark]: Witness Printer took 71.89 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 118.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:26:16,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, 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: 11264 SDtfs, 9212 SDslu, 12276 SDs, 0 SdLazy, 53222 SolverSat, 23026 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2575 GetRequests, 2304 SyntacticMatches, 157 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6502 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 376 ConstructedInterpolants, 2 QuantifiedInterpolants, 2174 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1369 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 675/1022 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 350.94 ms. Allocated memory is still 90.2 MB. Free memory was 48.8 MB in the beginning and 65.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.94 ms. Allocated memory is still 90.2 MB. Free memory was 64.8 MB in the beginning and 63.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.02 ms. Allocated memory is still 90.2 MB. Free memory was 63.4 MB in the beginning and 62.4 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 452.33 ms. Allocated memory is still 90.2 MB. Free memory was 62.4 MB in the beginning and 50.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 16963.44 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 50.7 MB in the beginning and 121.8 MB in the end (delta: -71.1 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.89 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 118.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:26:16,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723124ed-daa3-4f0e-9a07-6f34e91f098b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...