./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/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 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:23:41,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:23:41,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:23:41,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:23:41,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:23:41,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:23:41,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:23:41,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:23:41,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:23:41,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:23:41,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:23:41,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:23:41,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:23:41,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:23:41,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:23:41,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:23:41,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:23:41,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:23:41,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:23:41,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:23:41,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:23:41,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:23:41,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:23:41,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:23:41,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:23:41,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:23:41,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:23:41,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:23:41,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:23:41,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:23:41,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:23:41,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:23:41,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:23:41,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:23:41,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:23:41,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:23:41,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:23:41,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:23:41,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:23:41,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:23:41,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:23:41,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:23:41,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:23:41,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:23:41,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:23:41,819 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:23:41,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:23:41,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:23:41,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:23:41,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:23:41,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:23:41,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:23:41,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:23:41,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:23:41,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:23:41,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:23:41,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:23:41,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:23:41,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:23:41,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:23:41,830 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:23:41,831 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:23:41,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:23:41,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:23:41,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:23:41,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:23:41,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:23:41,832 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:23:41,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:23:41,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:23:41,833 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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53086523abe0dc699ccd28b0916f17f8825d4641577f06835b9d81e9579a444f [2021-10-29 03:23:42,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:23:42,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:23:42,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:23:42,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:23:42,153 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:23:42,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2021-10-29 03:23:42,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/data/99867a7bd/8e4dcfe2ca164644b3375f01ca2b8410/FLAG91837d7f2 [2021-10-29 03:23:42,728 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:23:42,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c [2021-10-29 03:23:42,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/data/99867a7bd/8e4dcfe2ca164644b3375f01ca2b8410/FLAG91837d7f2 [2021-10-29 03:23:43,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/data/99867a7bd/8e4dcfe2ca164644b3375f01ca2b8410 [2021-10-29 03:23:43,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:23:43,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:23:43,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:23:43,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:23:43,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:23:43,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ea594e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43, skipping insertion in model container [2021-10-29 03:23:43,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:23:43,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:23:43,317 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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2021-10-29 03:23:43,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:23:43,340 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:23:43,353 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_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound10.c[458,471] [2021-10-29 03:23:43,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:23:43,370 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:23:43,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43 WrapperNode [2021-10-29 03:23:43,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:23:43,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:23:43,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:23:43,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:23:43,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:23:43,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:23:43,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:23:43,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:23:43,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:23:43,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:23:43,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:23:43,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:23:43,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:23:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:23:43,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:23:43,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:23:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:23:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:23:43,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:23:43,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:23:43,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:23:43,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:23:43,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:23:43,825 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:23:43,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:43 BoogieIcfgContainer [2021-10-29 03:23:43,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:23:43,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:23:43,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:23:43,857 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:23:43,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:43" (1/1) ... [2021-10-29 03:23:43,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:23:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-10-29 03:23:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-10-29 03:23:43,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:23:43,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:43,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:44,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:23:44,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:44,255 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 03:23:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-10-29 03:23:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-10-29 03:23:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:23:44,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:44,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:44,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:23:44,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:44,894 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 03:23:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-10-29 03:23:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-10-29 03:23:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:23:44,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:44,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:45,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:45,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:45,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:23:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-10-29 03:23:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-10-29 03:23:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:23:45,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:45,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:45,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:45,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 03:23:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2021-10-29 03:23:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2021-10-29 03:23:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:23:46,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:46,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:46,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 03:23:46,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:23:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2021-10-29 03:23:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2021-10-29 03:23:47,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:23:47,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:47,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:47,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:23:47,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:23:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2021-10-29 03:23:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2021-10-29 03:23:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:23:47,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:47,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:47,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:47,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:23:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-10-29 03:23:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-10-29 03:23:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:23:48,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:48,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:48,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 03:23:48,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:48,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:23:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-10-29 03:23:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-10-29 03:23:49,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:23:49,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:49,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:49,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-29 03:23:49,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 03:23:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2021-10-29 03:23:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2021-10-29 03:23:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 03:23:50,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:50,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:50,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:50,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-10-29 03:23:50,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2021-10-29 03:23:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2021-10-29 03:23:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 03:23:50,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:50,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:50,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 03:23:50,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:23:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2021-10-29 03:23:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2021-10-29 03:23:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 03:23:52,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:52,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:52,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-29 03:23:52,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-29 03:23:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2021-10-29 03:23:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2021-10-29 03:23:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:23:52,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:52,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:53,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-29 03:23:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2021-10-29 03:23:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2021-10-29 03:23:53,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 03:23:53,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:53,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:53,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-29 03:23:53,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:23:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2021-10-29 03:23:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2021-10-29 03:23:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 03:23:55,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:55,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:55,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-29 03:23:55,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 03:23:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2021-10-29 03:23:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2021-10-29 03:23:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 03:23:56,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:56,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:56,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:23:56,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:23:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2021-10-29 03:23:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2021-10-29 03:23:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-29 03:23:56,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:56,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:56,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-29 03:23:56,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-29 03:23:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:23:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2021-10-29 03:23:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-10-29 03:23:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-29 03:23:58,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:23:58,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:23:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:23:59,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 03:23:59,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:23:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 17 proven. 67 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-10-29 03:24:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2021-10-29 03:24:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2021-10-29 03:24:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-29 03:24:00,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:00,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:00,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:00,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-29 03:24:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2021-10-29 03:24:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2021-10-29 03:24:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 03:24:01,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:01,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:01,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-29 03:24:01,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:24:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2021-10-29 03:24:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2021-10-29 03:24:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 03:24:03,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:03,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:04,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-29 03:24:04,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-29 03:24:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2021-10-29 03:24:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2021-10-29 03:24:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-29 03:24:05,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:05,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:05,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:05,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-10-29 03:24:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2021-10-29 03:24:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2021-10-29 03:24:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-29 03:24:06,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:06,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:06,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-29 03:24:06,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-10-29 03:24:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2021-10-29 03:24:08,885 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2021-10-29 03:24:08,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 03:24:08,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:08,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:14,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 03:24:14,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 30 proven. 107 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-10-29 03:24:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:17,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2021-10-29 03:24:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2021-10-29 03:24:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-29 03:24:17,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:17,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:17,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:17,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-10-29 03:24:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2021-10-29 03:24:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2021-10-29 03:24:17,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 03:24:17,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:17,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:17,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-29 03:24:17,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:18,604 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-29 03:24:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2021-10-29 03:24:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2021-10-29 03:24:20,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 03:24:20,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:20,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:25,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-29 03:24:25,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 52 proven. 134 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-29 03:24:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 114 states and 228 transitions. [2021-10-29 03:24:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 228 transitions. [2021-10-29 03:24:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-29 03:24:27,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:27,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:27,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:27,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-10-29 03:24:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2021-10-29 03:24:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2021-10-29 03:24:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 03:24:28,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:28,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:28,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-29 03:24:28,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-10-29 03:24:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 122 states and 245 transitions. [2021-10-29 03:24:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 245 transitions. [2021-10-29 03:24:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-29 03:24:31,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:31,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:36,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-29 03:24:36,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-10-29 03:24:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 125 states and 251 transitions. [2021-10-29 03:24:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 251 transitions. [2021-10-29 03:24:39,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:24:39,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:39,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:39,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:39,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-10-29 03:24:40,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:40,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2021-10-29 03:24:40,516 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2021-10-29 03:24:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 03:24:40,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:40,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:40,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-29 03:24:40,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:24:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 133 states and 268 transitions. [2021-10-29 03:24:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 268 transitions. [2021-10-29 03:24:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 03:24:44,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:44,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:44,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-29 03:24:44,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-10-29 03:24:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 59 states and 92 transitions. [2021-10-29 03:24:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 92 transitions. [2021-10-29 03:24:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 03:24:53,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:24:53,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:24:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:24:53,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 03:24:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:24:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-10-29 03:24:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:24:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 52 states and 83 transitions. [2021-10-29 03:24:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2021-10-29 03:24:55,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:24:55,201 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2021-10-29 03:24:55,211 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:24:55,921 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:24:55,924 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:24:55,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:24:55 ImpRootNode [2021-10-29 03:24:55,925 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:24:55,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:24:55,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:24:55,926 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:24:55,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:23:43" (3/4) ... [2021-10-29 03:24:55,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:24:55,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:24:55,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 03:24:55,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 03:24:55,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:24:55,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:24:55,988 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:24:55,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:24:55,991 INFO L168 Benchmark]: Toolchain (without parser) took 72879.16 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 72.5 MB in the beginning and 87.6 MB in the end (delta: -15.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,991 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:24:55,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.24 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 81.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.24 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,993 INFO L168 Benchmark]: Boogie Preprocessor took 22.81 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.7 MB in the end (delta: 788.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:24:55,994 INFO L168 Benchmark]: RCFGBuilder took 399.06 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 67.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,995 INFO L168 Benchmark]: CodeCheck took 72096.06 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 67.0 MB in the beginning and 89.7 MB in the end (delta: -22.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,996 INFO L168 Benchmark]: Witness Printer took 63.71 ms. Allocated memory is still 237.0 MB. Free memory was 89.7 MB in the beginning and 87.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:24:55,999 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.3s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 657393040 SDslu, -613566608 SDs, 0 SdLazy, -1117567780 SolverSat, -547827440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14024 GetRequests, 13313 SyntacticMatches, 313 SemanticMatches, 398 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73707 ImplicationChecksByTransitivity, 38.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 19.2s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 1623 NumberOfCodeBlocks, 1623 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1589 ConstructedInterpolants, 0 QuantifiedInterpolants, 5876 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5147 ConjunctsInSsa, 723 ConjunctsInUnsatCore, 34 InterpolantComputations, 3 PerfectInterpolantSequences, 4099/5434 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 104.9 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.24 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 81.0 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.24 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.81 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.7 MB in the end (delta: 788.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 399.06 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 67.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 72096.06 ms. Allocated memory was 104.9 MB in the beginning and 237.0 MB in the end (delta: 132.1 MB). Free memory was 67.0 MB in the beginning and 89.7 MB in the end (delta: -22.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 16.1 GB. * Witness Printer took 63.71 ms. Allocated memory is still 237.0 MB. Free memory was 89.7 MB in the beginning and 87.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:24:56,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdf6f2b1-0e5d-469a-ba87-308f0f8b86f8/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...