./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:54:21,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:54:21,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:54:21,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:54:21,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:54:21,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:54:21,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:54:21,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:54:21,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:54:21,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:54:21,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:54:21,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:54:21,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:54:21,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:54:21,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:54:21,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:54:21,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:54:21,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:54:21,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:54:21,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:54:21,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:54:21,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:54:21,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:54:21,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:54:21,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:54:21,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:54:21,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:54:21,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:54:21,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:54:21,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:54:21,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:54:21,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:54:21,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:54:21,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:54:21,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:54:21,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:54:21,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:54:21,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:54:21,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:54:21,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:54:21,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:54:21,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:54:21,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:54:21,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:54:21,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:54:21,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:54:21,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:54:21,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:54:21,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:54:21,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:54:21,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:54:21,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:54:21,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:54:21,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:54:21,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:54:21,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:54:21,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:54:21,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:54:21,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:54:21,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:54:21,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:54:21,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:54:21,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:54:21,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:54:21,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:54:21,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:54:21,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:54:21,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:54:21,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:54:21,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:54:21,252 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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2021-10-29 03:54:21,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:54:21,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:54:21,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:54:21,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:54:21,553 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:54:21,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2021-10-29 03:54:21,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/data/74861e250/8bf812cbae5f4b60a63f739125b8cb39/FLAG14544bfaf [2021-10-29 03:54:22,082 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:54:22,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2021-10-29 03:54:22,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/data/74861e250/8bf812cbae5f4b60a63f739125b8cb39/FLAG14544bfaf [2021-10-29 03:54:22,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/data/74861e250/8bf812cbae5f4b60a63f739125b8cb39 [2021-10-29 03:54:22,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:54:22,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:54:22,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:54:22,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:54:22,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:54:22,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4c6f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22, skipping insertion in model container [2021-10-29 03:54:22,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:54:22,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:54:22,657 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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2021-10-29 03:54:22,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:54:22,692 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:54:22,704 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_e4a895a4-d5f3-48cd-b8e6-d22caa944089/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c[588,601] [2021-10-29 03:54:22,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:54:22,729 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:54:22,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22 WrapperNode [2021-10-29 03:54:22,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:54:22,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:54:22,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:54:22,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:54:22,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:54:22,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:54:22,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:54:22,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:54:22,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:54:22,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:54:22,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:54:22,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:54:22,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:54:22" (1/1) ... [2021-10-29 03:54:22,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:54:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:54:22,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:54:22,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:54:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:54:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:54:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:54:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:54:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:54:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:54:23,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:54:23,092 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:54:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:54:23 BoogieIcfgContainer [2021-10-29 03:54:23,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:54:23,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:54:23,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:54:23,105 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:54:23,105 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:54:23" (1/1) ... [2021-10-29 03:54:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:54:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:23,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-10-29 03:54:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-10-29 03:54:23,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:54:23,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:23,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2021-10-29 03:54:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2021-10-29 03:54:23,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:54:23,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:23,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 03:54:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 03:54:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:54:23,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:23,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2021-10-29 03:54:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2021-10-29 03:54:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:54:23,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:23,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:23,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:54:23,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:54:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:24,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2021-10-29 03:54:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-10-29 03:54:24,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:54:24,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:24,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:24,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:54:24,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:54:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2021-10-29 03:54:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2021-10-29 03:54:25,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:54:25,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:25,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:25,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:54:25,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:54:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2021-10-29 03:54:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-10-29 03:54:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:54:26,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:26,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:26,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:54:26,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:54:26,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2021-10-29 03:54:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 03:54:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:54:26,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:26,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:26,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:26,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:26,513 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-29 03:54:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2021-10-29 03:54:27,045 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2021-10-29 03:54:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:54:27,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:27,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:27,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:54:27,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:54:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 55 states and 124 transitions. [2021-10-29 03:54:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2021-10-29 03:54:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:54:28,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:28,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:28,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:28,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:54:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 129 transitions. [2021-10-29 03:54:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 129 transitions. [2021-10-29 03:54:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:54:29,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:29,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:29,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-29 03:54:29,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:54:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 60 states and 140 transitions. [2021-10-29 03:54:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 140 transitions. [2021-10-29 03:54:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:54:30,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:30,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:30,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:54:30,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:54:32,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 64 states and 151 transitions. [2021-10-29 03:54:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 151 transitions. [2021-10-29 03:54:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:54:32,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:32,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:32,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:54:32,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:54:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 64 states and 150 transitions. [2021-10-29 03:54:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 150 transitions. [2021-10-29 03:54:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 03:54:32,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:32,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:32,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:54:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:54:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 67 states and 166 transitions. [2021-10-29 03:54:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 166 transitions. [2021-10-29 03:54:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:54:33,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:33,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:33,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:54:33,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:54:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 70 states and 179 transitions. [2021-10-29 03:54:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 179 transitions. [2021-10-29 03:54:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:54:34,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:34,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:34,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:54:34,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:54:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 68 states and 170 transitions. [2021-10-29 03:54:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 170 transitions. [2021-10-29 03:54:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:54:35,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:35,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:35,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:54:35,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:54:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 70 states and 178 transitions. [2021-10-29 03:54:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 178 transitions. [2021-10-29 03:54:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 03:54:35,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:35,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:35,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-29 03:54:35,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:54:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 71 states and 182 transitions. [2021-10-29 03:54:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 182 transitions. [2021-10-29 03:54:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-29 03:54:36,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:36,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:36,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:36,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-29 03:54:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 72 states and 184 transitions. [2021-10-29 03:54:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 184 transitions. [2021-10-29 03:54:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 03:54:37,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:37,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:37,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:37,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:54:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 73 states and 190 transitions. [2021-10-29 03:54:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 190 transitions. [2021-10-29 03:54:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 03:54:38,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:38,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:38,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:38,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-29 03:54:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 75 states and 196 transitions. [2021-10-29 03:54:42,219 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 196 transitions. [2021-10-29 03:54:42,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:54:42,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:42,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:42,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:54:42,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-10-29 03:54:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 75 states and 194 transitions. [2021-10-29 03:54:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 194 transitions. [2021-10-29 03:54:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:54:42,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:42,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:42,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:54:42,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-10-29 03:54:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 54 states and 148 transitions. [2021-10-29 03:54:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 148 transitions. [2021-10-29 03:54:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 03:54:45,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:45,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:45,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:54:45,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:54:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 51 states and 130 transitions. [2021-10-29 03:54:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 130 transitions. [2021-10-29 03:54:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:54:46,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:46,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:54:46,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:54:46,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:54:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:54:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:54:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 53 states and 142 transitions. [2021-10-29 03:54:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 142 transitions. [2021-10-29 03:54:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 03:54:50,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:54:50,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:54:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:54:50,556 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:54:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:54:50,762 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2021-10-29 03:54:50,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:54:50 ImpRootNode [2021-10-29 03:54:50,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:54:50,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:54:50,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:54:50,825 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:54:50,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:54:23" (3/4) ... [2021-10-29 03:54:50,827 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:54:50,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:54:50,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:54:50,970 INFO L168 Benchmark]: Toolchain (without parser) took 28527.71 ms. Allocated memory was 113.2 MB in the beginning and 237.0 MB in the end (delta: 123.7 MB). Free memory was 85.3 MB in the beginning and 81.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,971 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:54:50,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.66 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 85.3 MB in the beginning and 136.2 MB in the end (delta: -50.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 163.6 MB. Free memory was 136.2 MB in the beginning and 134.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:54:50,973 INFO L168 Benchmark]: Boogie Preprocessor took 29.15 ms. Allocated memory is still 163.6 MB. Free memory was 134.7 MB in the beginning and 133.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,974 INFO L168 Benchmark]: RCFGBuilder took 301.25 ms. Allocated memory is still 163.6 MB. Free memory was 133.6 MB in the beginning and 122.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,975 INFO L168 Benchmark]: CodeCheck took 27728.26 ms. Allocated memory was 163.6 MB in the beginning and 237.0 MB in the end (delta: 73.4 MB). Free memory was 122.1 MB in the beginning and 86.7 MB in the end (delta: 35.4 MB). Peak memory consumption was 110.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,976 INFO L168 Benchmark]: Witness Printer took 143.79 ms. Allocated memory is still 237.0 MB. Free memory was 86.7 MB in the beginning and 81.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:54:50,980 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 458752000 SDtfs, 2175038 SDslu, 34603040 SDs, 0 SdLazy, 701888236 SolverSat, 239507974 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10045 GetRequests, 9522 SyntacticMatches, 213 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48512 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1037 NumberOfCodeBlocks, 1037 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 3008 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2799 ConjunctsInSsa, 226 ConjunctsInUnsatCore, 25 InterpolantComputations, 10 PerfectInterpolantSequences, 2304/2420 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] short a; [L25] long long n, x, y, z; [L26] a = __VERIFIER_nondet_ushort() [L28] n = 0 [L29] x = 0 [L30] y = 1 [L31] z = 6 VAL [counter=0] [L33] EXPR counter++ VAL [counter=1] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=1] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=1] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=1] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=1] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=1] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=1] [L33] EXPR counter++ VAL [counter=2] [L33] COND TRUE counter++<2 [L34] CALL __VERIFIER_assert(z == 6 * n + 6) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L34] RET __VERIFIER_assert(z == 6 * n + 6) VAL [counter=2] [L35] CALL __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L35] RET __VERIFIER_assert(y == 3 * n * n + 3 * n + 1) VAL [counter=2] [L36] CALL __VERIFIER_assert(x == n * n * n) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(x == n * n * n) VAL [counter=2] [L37] CALL __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(y*z - 18*x - 12*y + 2*z - 6 == 0) VAL [counter=2] [L38] CALL __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L38] RET __VERIFIER_assert((z*z) - 12*y - 6*z + 12 == 0) VAL [counter=2] [L39] COND FALSE !(!(n <= a)) [L42] n = n + 1 [L43] x = x + y [L44] y = y + z [L45] z = z + 6 VAL [counter=2] [L33] EXPR counter++ VAL [counter=3] [L33] COND FALSE !(counter++<2) [L48] CALL __VERIFIER_assert(z == 6*n + 6) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L48] RET __VERIFIER_assert(z == 6*n + 6) VAL [counter=3] [L49] CALL __VERIFIER_assert(6*a*x - x*z + 12*x == 0) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 280.66 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 85.3 MB in the beginning and 136.2 MB in the end (delta: -50.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.69 ms. Allocated memory is still 163.6 MB. Free memory was 136.2 MB in the beginning and 134.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.15 ms. Allocated memory is still 163.6 MB. Free memory was 134.7 MB in the beginning and 133.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 301.25 ms. Allocated memory is still 163.6 MB. Free memory was 133.6 MB in the beginning and 122.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 27728.26 ms. Allocated memory was 163.6 MB in the beginning and 237.0 MB in the end (delta: 73.4 MB). Free memory was 122.1 MB in the beginning and 86.7 MB in the end (delta: 35.4 MB). Peak memory consumption was 110.8 MB. Max. memory is 16.1 GB. * Witness Printer took 143.79 ms. Allocated memory is still 237.0 MB. Free memory was 86.7 MB in the beginning and 81.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:54:51,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4a895a4-d5f3-48cd-b8e6-d22caa944089/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...