./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.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_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/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_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/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_00a6fc50-c812-4abd-83df-a67188b175eb/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 c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 ................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/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_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/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 c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:47:01,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:47:01,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:47:01,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:47:01,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:47:01,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:47:01,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:47:01,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:47:01,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:47:01,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:47:01,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:47:01,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:47:01,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:47:01,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:47:01,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:47:01,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:47:01,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:47:01,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:47:01,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:47:01,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:47:01,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:47:01,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:47:01,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:47:01,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:47:01,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:47:01,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:47:01,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:47:01,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:47:01,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:47:01,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:47:01,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:47:01,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:47:01,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:47:01,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:47:01,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:47:01,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:47:01,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:47:01,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:47:01,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:47:01,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:47:01,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:47:01,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:47:01,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:47:01,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:47:01,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:47:01,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:47:01,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:47:01,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:47:01,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:47:01,993 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:47:02,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:47:02,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:47:02,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:47:02,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:47:02,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:47:02,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:47:02,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:47:02,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:47:02,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:47:02,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:47:02,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:47:02,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:47:02,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:47:02,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:47:02,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:47:02,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:47:02,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:47:02,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:47:02,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:47:02,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:47:02,009 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_00a6fc50-c812-4abd-83df-a67188b175eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 [2021-10-29 03:47:02,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:47:02,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:47:02,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:47:02,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:47:02,349 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:47:02,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2021-10-29 03:47:02,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/151c2b2ff/981771ff00d44af2bf0a04a0b9dff0e3/FLAGceb9124dc [2021-10-29 03:47:02,951 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:47:02,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2021-10-29 03:47:02,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/151c2b2ff/981771ff00d44af2bf0a04a0b9dff0e3/FLAGceb9124dc [2021-10-29 03:47:03,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/151c2b2ff/981771ff00d44af2bf0a04a0b9dff0e3 [2021-10-29 03:47:03,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:47:03,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:47:03,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:47:03,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:47:03,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:47:03,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6462a793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03, skipping insertion in model container [2021-10-29 03:47:03,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:47:03,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:47:03,524 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_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2021-10-29 03:47:03,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:47:03,559 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:47:03,582 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_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2021-10-29 03:47:03,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:47:03,607 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:47:03,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03 WrapperNode [2021-10-29 03:47:03,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:47:03,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:47:03,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:47:03,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:47:03,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:47:03,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:47:03,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:47:03,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:47:03,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:47:03,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:47:03,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:47:03,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:47:03,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:03" (1/1) ... [2021-10-29 03:47:03,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:47:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:47:03,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:47:03,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:47:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:47:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:47:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:47:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:47:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:47:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:47:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:47:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:47:04,098 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:47:04,098 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:47:04,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:47:04 BoogieIcfgContainer [2021-10-29 03:47:04,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:47:04,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:47:04,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:47:04,128 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:47:04,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:47:04" (1/1) ... [2021-10-29 03:47:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:47:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-10-29 03:47:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-10-29 03:47:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:47:04,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:04,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-10-29 03:47:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-10-29 03:47:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:47:04,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:04,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:04,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:04,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-10-29 03:47:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-10-29 03:47:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:47:05,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:05,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:05,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 03:47:05,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:47:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-10-29 03:47:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-29 03:47:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:47:05,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:05,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:05,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:47:05,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:47:06,141 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 03:47:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:27,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 03:47:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 03:47:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 03:47:27,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:27,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-10-29 03:47:37,790 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:492) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:47:37,794 INFO L168 Benchmark]: Toolchain (without parser) took 34483.57 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.6 MB in the beginning and 82.5 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:37,794 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.5 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:37,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.69 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.4 MB in the beginning and 89.5 MB in the end (delta: -38.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:37,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 113.2 MB. Free memory was 89.5 MB in the beginning and 88.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:37,799 INFO L168 Benchmark]: Boogie Preprocessor took 27.70 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 86.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:37,802 INFO L168 Benchmark]: RCFGBuilder took 436.51 ms. Allocated memory is still 113.2 MB. Free memory was 86.5 MB in the beginning and 73.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:37,803 INFO L168 Benchmark]: CodeCheck took 33674.99 ms. Allocated memory is still 113.2 MB. Free memory was 73.9 MB in the beginning and 82.5 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:37,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:492) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 56.6 MB in the beginning and 56.5 MB in the end (delta: 31.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.69 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 51.4 MB in the beginning and 89.5 MB in the end (delta: -38.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.00 ms. Allocated memory is still 113.2 MB. Free memory was 89.5 MB in the beginning and 88.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.70 ms. Allocated memory is still 113.2 MB. Free memory was 88.0 MB in the beginning and 86.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 436.51 ms. Allocated memory is still 113.2 MB. Free memory was 86.5 MB in the beginning and 73.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 33674.99 ms. Allocated memory is still 113.2 MB. Free memory was 73.9 MB in the beginning and 82.5 MB in the end (delta: -8.6 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:47:37,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:47:40,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:47:40,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:47:40,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:47:40,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:47:40,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:47:40,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:47:40,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:47:40,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:47:40,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:47:40,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:47:40,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:47:40,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:47:40,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:47:40,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:47:40,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:47:40,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:47:40,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:47:40,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:47:40,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:47:40,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:47:40,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:47:40,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:47:40,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:47:40,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:47:40,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:47:40,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:47:40,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:47:40,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:47:40,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:47:40,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:47:40,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:47:40,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:47:40,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:47:40,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:47:40,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:47:40,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:47:40,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:47:40,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:47:40,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:47:40,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:47:40,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 03:47:40,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:47:40,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:47:40,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:47:40,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:47:40,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:47:40,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:47:40,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:47:40,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:47:40,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:47:40,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:47:40,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:47:40,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:47:40,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:47:40,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:47:40,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:47:40,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:47:40,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:47:40,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:47:40,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:47:40,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:47:40,604 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:47:40,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:47:40,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:47:40,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:47:40,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:47:40,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:47:40,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:47:40,607 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:47:40,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:47:40,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:47:40,608 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:47:40,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:47:40,608 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_00a6fc50-c812-4abd-83df-a67188b175eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d1f9cb4a655c19b11c3c45ae32d6ab056e5c06bd3297b1881af45946419011 [2021-10-29 03:47:41,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:47:41,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:47:41,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:47:41,084 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:47:41,085 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:47:41,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2021-10-29 03:47:41,172 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/303d9b896/8ef517d77cc540a58e3323b2c5d616af/FLAGdf1e82502 [2021-10-29 03:47:41,760 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:47:41,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2021-10-29 03:47:41,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/303d9b896/8ef517d77cc540a58e3323b2c5d616af/FLAGdf1e82502 [2021-10-29 03:47:42,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/data/303d9b896/8ef517d77cc540a58e3323b2c5d616af [2021-10-29 03:47:42,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:47:42,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:47:42,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:47:42,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:47:42,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:47:42,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13827c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42, skipping insertion in model container [2021-10-29 03:47:42,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:47:42,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:47:42,320 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_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2021-10-29 03:47:42,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:47:42,353 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:47:42,366 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_00a6fc50-c812-4abd-83df-a67188b175eb/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2021-10-29 03:47:42,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:47:42,395 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:47:42,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42 WrapperNode [2021-10-29 03:47:42,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:47:42,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:47:42,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:47:42,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:47:42,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:47:42,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:47:42,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:47:42,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:47:42,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:47:42,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:47:42,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:47:42,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:47:42,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:47:42" (1/1) ... [2021-10-29 03:47:42,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:47:42,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:47:42,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:47:42,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:47:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:47:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:47:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:47:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:47:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:47:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:47:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:47:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:47:43,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:47:43,058 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:47:43,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:47:43 BoogieIcfgContainer [2021-10-29 03:47:43,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:47:43,061 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:47:43,061 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:47:43,071 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:47:43,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:47:43" (1/1) ... [2021-10-29 03:47:43,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:47:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-10-29 03:47:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-10-29 03:47:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:47:43,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:43,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:43,188 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:444) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:47:43,194 INFO L168 Benchmark]: Toolchain (without parser) took 1074.31 ms. Allocated memory is still 73.4 MB. Free memory was 58.0 MB in the beginning and 37.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:43,195 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:43,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.03 ms. Allocated memory is still 73.4 MB. Free memory was 58.0 MB in the beginning and 58.2 MB in the end (delta: -278.2 kB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:43,197 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.09 ms. Allocated memory is still 73.4 MB. Free memory was 58.2 MB in the beginning and 56.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:43,198 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 73.4 MB. Free memory was 56.6 MB in the beginning and 55.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:43,199 INFO L168 Benchmark]: RCFGBuilder took 545.88 ms. Allocated memory is still 73.4 MB. Free memory was 55.4 MB in the beginning and 42.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:43,200 INFO L168 Benchmark]: CodeCheck took 129.78 ms. Allocated memory is still 73.4 MB. Free memory was 42.4 MB in the beginning and 37.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:43,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 73.4 MB. Free memory is still 54.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.03 ms. Allocated memory is still 73.4 MB. Free memory was 58.0 MB in the beginning and 58.2 MB in the end (delta: -278.2 kB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.09 ms. Allocated memory is still 73.4 MB. Free memory was 58.2 MB in the beginning and 56.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 73.4 MB. Free memory was 56.6 MB in the beginning and 55.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 545.88 ms. Allocated memory is still 73.4 MB. Free memory was 55.4 MB in the beginning and 42.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 129.78 ms. Allocated memory is still 73.4 MB. Free memory was 42.4 MB in the beginning and 37.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:47:43,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00a6fc50-c812-4abd-83df-a67188b175eb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...