./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7803525370200aabfab7aff9768b555209ce32125d445cdaf8def0c5a28cd1e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:22:22,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:22:22,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:22:22,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:22:22,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:22:22,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:22:22,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:22:22,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:22:22,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:22:22,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:22:22,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:22:22,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:22:22,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:22:22,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:22:22,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:22:22,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:22:22,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:22:22,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:22:22,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:22:22,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:22:22,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:22:22,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:22:22,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:22:22,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:22:22,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:22:22,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:22:22,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:22:22,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:22:22,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:22:22,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:22:22,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:22:22,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:22:22,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:22:22,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:22:22,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:22:22,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:22:22,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:22:22,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:22:22,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:22:22,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:22:22,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:22:22,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 07:22:22,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:22:22,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:22:22,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:22:22,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:22:22,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:22:22,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:22:22,847 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:22:22,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:22:22,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:22:22,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:22:22,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:22:22,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:22:22,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 07:22:22,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 07:22:22,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 07:22:22,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:22:22,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:22:22,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:22:22,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 07:22:22,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:22:22,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:22:22,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 07:22:22,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:22:22,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:22:22,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 07:22:22,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 07:22:22,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:22:22,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 07:22:22,855 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 07:22:22,857 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 07:22:22,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 07:22:22,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:22:22,858 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_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7803525370200aabfab7aff9768b555209ce32125d445cdaf8def0c5a28cd1e [2021-11-07 07:22:23,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:22:23,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:22:23,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:22:23,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:22:23,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:22:23,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2021-11-07 07:22:23,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/data/0fe814035/1d2bc3e2a3e84c7fa3ea05b83e23aa7e/FLAG09ab6b856 [2021-11-07 07:22:24,140 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:22:24,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2021-11-07 07:22:24,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/data/0fe814035/1d2bc3e2a3e84c7fa3ea05b83e23aa7e/FLAG09ab6b856 [2021-11-07 07:22:24,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/data/0fe814035/1d2bc3e2a3e84c7fa3ea05b83e23aa7e [2021-11-07 07:22:24,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:22:24,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:22:24,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:22:24,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:22:24,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:22:24,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:24" (1/1) ... [2021-11-07 07:22:24,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f56f210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:24, skipping insertion in model container [2021-11-07 07:22:24,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:22:24" (1/1) ... [2021-11-07 07:22:24,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:22:24,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:22:24,903 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_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/sv-benchmarks/c/eca-rers2012/Problem01_label59.c[16624,16637] [2021-11-07 07:22:24,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:22:24,980 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:22:25,133 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_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/sv-benchmarks/c/eca-rers2012/Problem01_label59.c[16624,16637] [2021-11-07 07:22:25,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:22:25,200 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:22:25,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25 WrapperNode [2021-11-07 07:22:25,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:22:25,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:22:25,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:22:25,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:22:25,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:22:25,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:22:25,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:22:25,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:22:25,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:22:25,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:22:25,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:22:25,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:22:25,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (1/1) ... [2021-11-07 07:22:25,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 07:22:25,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:22:25,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 07:22:25,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 07:22:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:22:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:22:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:22:25,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:22:27,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:22:27,039 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 07:22:27,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:27 BoogieIcfgContainer [2021-11-07 07:22:27,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:22:27,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 07:22:27,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 07:22:27,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 07:22:27,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:22:24" (1/3) ... [2021-11-07 07:22:27,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff2d78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:27, skipping insertion in model container [2021-11-07 07:22:27,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:22:25" (2/3) ... [2021-11-07 07:22:27,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff2d78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:22:27, skipping insertion in model container [2021-11-07 07:22:27,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:27" (3/3) ... [2021-11-07 07:22:27,057 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2021-11-07 07:22:27,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 07:22:27,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 07:22:27,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 07:22:27,190 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 07:22:27,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 07:22:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 07:22:27,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:27,247 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:27,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:27,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2021-11-07 07:22:27,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:27,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891364950] [2021-11-07 07:22:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:27,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:27,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:27,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891364950] [2021-11-07 07:22:27,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891364950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:27,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:27,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:27,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353321499] [2021-11-07 07:22:27,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:27,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:27,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:27,846 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:29,069 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-11-07 07:22:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:29,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-07 07:22:29,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:29,106 INFO L225 Difference]: With dead ends: 528 [2021-11-07 07:22:29,106 INFO L226 Difference]: Without dead ends: 266 [2021-11-07 07:22:29,117 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:29,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-07 07:22:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-11-07 07:22:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4566037735849056) internal successors, (386), 265 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2021-11-07 07:22:29,219 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 89 [2021-11-07 07:22:29,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:29,220 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2021-11-07 07:22:29,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2021-11-07 07:22:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 07:22:29,236 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:29,236 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:29,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 07:22:29,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:29,242 INFO L85 PathProgramCache]: Analyzing trace with hash -802111485, now seen corresponding path program 1 times [2021-11-07 07:22:29,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:29,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434382878] [2021-11-07 07:22:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:29,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:29,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:29,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434382878] [2021-11-07 07:22:29,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434382878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:29,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:29,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:29,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199421459] [2021-11-07 07:22:29,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:29,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:29,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:29,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:29,368 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:29,985 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2021-11-07 07:22:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:29,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-11-07 07:22:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:29,990 INFO L225 Difference]: With dead ends: 792 [2021-11-07 07:22:29,991 INFO L226 Difference]: Without dead ends: 528 [2021-11-07 07:22:29,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-07 07:22:30,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-11-07 07:22:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3795066413662238) internal successors, (727), 527 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2021-11-07 07:22:30,061 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 95 [2021-11-07 07:22:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:30,061 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2021-11-07 07:22:30,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2021-11-07 07:22:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 07:22:30,065 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:30,066 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:30,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 07:22:30,066 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:30,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1182931709, now seen corresponding path program 1 times [2021-11-07 07:22:30,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:30,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666523718] [2021-11-07 07:22:30,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:30,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:30,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:30,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666523718] [2021-11-07 07:22:30,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666523718] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:30,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:30,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:30,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887773057] [2021-11-07 07:22:30,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:30,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:30,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:30,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:30,284 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:30,943 INFO L93 Difference]: Finished difference Result 1447 states and 1991 transitions. [2021-11-07 07:22:30,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:30,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 07:22:30,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:30,952 INFO L225 Difference]: With dead ends: 1447 [2021-11-07 07:22:30,953 INFO L226 Difference]: Without dead ends: 921 [2021-11-07 07:22:30,954 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:30,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-11-07 07:22:30,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 659. [2021-11-07 07:22:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.3404255319148937) internal successors, (882), 658 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 882 transitions. [2021-11-07 07:22:30,992 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 882 transitions. Word has length 96 [2021-11-07 07:22:30,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:30,993 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 882 transitions. [2021-11-07 07:22:30,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:30,993 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 882 transitions. [2021-11-07 07:22:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 07:22:30,996 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:30,996 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:30,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 07:22:30,997 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:30,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1354380786, now seen corresponding path program 1 times [2021-11-07 07:22:30,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:30,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782925139] [2021-11-07 07:22:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:30,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:31,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:31,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782925139] [2021-11-07 07:22:31,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782925139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:31,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:31,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:31,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004185933] [2021-11-07 07:22:31,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:31,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:31,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:31,086 INFO L87 Difference]: Start difference. First operand 659 states and 882 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:31,728 INFO L93 Difference]: Finished difference Result 1971 states and 2641 transitions. [2021-11-07 07:22:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:31,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-11-07 07:22:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:31,744 INFO L225 Difference]: With dead ends: 1971 [2021-11-07 07:22:31,744 INFO L226 Difference]: Without dead ends: 1183 [2021-11-07 07:22:31,746 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-11-07 07:22:31,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2021-11-07 07:22:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.1742808798646363) internal successors, (1388), 1182 states have internal predecessors, (1388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:31,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1388 transitions. [2021-11-07 07:22:31,820 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1388 transitions. Word has length 102 [2021-11-07 07:22:31,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:31,821 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1388 transitions. [2021-11-07 07:22:31,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:31,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1388 transitions. [2021-11-07 07:22:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-07 07:22:31,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:31,827 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:31,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 07:22:31,827 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1552657016, now seen corresponding path program 1 times [2021-11-07 07:22:31,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:31,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191595829] [2021-11-07 07:22:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:31,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 07:22:31,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:31,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191595829] [2021-11-07 07:22:31,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191595829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:31,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:31,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:31,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555340003] [2021-11-07 07:22:31,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:31,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:31,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:31,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:31,901 INFO L87 Difference]: Start difference. First operand 1183 states and 1388 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:32,486 INFO L93 Difference]: Finished difference Result 2757 states and 3262 transitions. [2021-11-07 07:22:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:32,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-11-07 07:22:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:32,499 INFO L225 Difference]: With dead ends: 2757 [2021-11-07 07:22:32,499 INFO L226 Difference]: Without dead ends: 1707 [2021-11-07 07:22:32,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:32,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-11-07 07:22:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2021-11-07 07:22:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.175207756232687) internal successors, (1697), 1444 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1697 transitions. [2021-11-07 07:22:32,561 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1697 transitions. Word has length 115 [2021-11-07 07:22:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:32,561 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1697 transitions. [2021-11-07 07:22:32,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1697 transitions. [2021-11-07 07:22:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-07 07:22:32,566 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:32,566 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:32,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 07:22:32,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:32,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:32,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1456433713, now seen corresponding path program 1 times [2021-11-07 07:22:32,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:32,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893881495] [2021-11-07 07:22:32,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:32,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 07:22:32,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:32,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893881495] [2021-11-07 07:22:32,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893881495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:32,639 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:32,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:32,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438708911] [2021-11-07 07:22:32,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:32,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:32,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:32,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:32,642 INFO L87 Difference]: Start difference. First operand 1445 states and 1697 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:33,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:33,187 INFO L93 Difference]: Finished difference Result 2888 states and 3407 transitions. [2021-11-07 07:22:33,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:33,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-11-07 07:22:33,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:33,199 INFO L225 Difference]: With dead ends: 2888 [2021-11-07 07:22:33,199 INFO L226 Difference]: Without dead ends: 1576 [2021-11-07 07:22:33,202 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:33,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-11-07 07:22:33,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2021-11-07 07:22:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1657142857142857) internal successors, (1836), 1575 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1836 transitions. [2021-11-07 07:22:33,259 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1836 transitions. Word has length 117 [2021-11-07 07:22:33,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:33,260 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1836 transitions. [2021-11-07 07:22:33,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:33,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1836 transitions. [2021-11-07 07:22:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-07 07:22:33,265 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:33,265 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:33,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 07:22:33,266 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:33,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1305364217, now seen corresponding path program 1 times [2021-11-07 07:22:33,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:33,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566576603] [2021-11-07 07:22:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:33,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 07:22:33,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:33,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566576603] [2021-11-07 07:22:33,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566576603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:33,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:33,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:22:33,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497850446] [2021-11-07 07:22:33,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 07:22:33,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:33,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 07:22:33,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 07:22:33,344 INFO L87 Difference]: Start difference. First operand 1576 states and 1836 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:34,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:34,144 INFO L93 Difference]: Finished difference Result 3281 states and 3836 transitions. [2021-11-07 07:22:34,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 07:22:34,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-11-07 07:22:34,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:34,156 INFO L225 Difference]: With dead ends: 3281 [2021-11-07 07:22:34,157 INFO L226 Difference]: Without dead ends: 1838 [2021-11-07 07:22:34,159 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 07:22:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-11-07 07:22:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2021-11-07 07:22:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1547479484173506) internal successors, (1970), 1706 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1970 transitions. [2021-11-07 07:22:34,249 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1970 transitions. Word has length 121 [2021-11-07 07:22:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:34,249 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1970 transitions. [2021-11-07 07:22:34,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1970 transitions. [2021-11-07 07:22:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-07 07:22:34,253 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:34,253 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:34,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 07:22:34,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:34,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:34,257 INFO L85 PathProgramCache]: Analyzing trace with hash -810309254, now seen corresponding path program 1 times [2021-11-07 07:22:34,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:34,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838380507] [2021-11-07 07:22:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:34,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:34,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:34,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838380507] [2021-11-07 07:22:34,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838380507] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:22:34,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561964710] [2021-11-07 07:22:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:34,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:22:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:22:34,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:22:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 07:22:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:34,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:22:34,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:22:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 07:22:35,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561964710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:35,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 07:22:35,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-07 07:22:35,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252600619] [2021-11-07 07:22:35,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:35,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:35,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:35,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:35,009 INFO L87 Difference]: Start difference. First operand 1707 states and 1970 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:35,541 INFO L93 Difference]: Finished difference Result 3805 states and 4470 transitions. [2021-11-07 07:22:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:35,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-11-07 07:22:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:35,557 INFO L225 Difference]: With dead ends: 3805 [2021-11-07 07:22:35,558 INFO L226 Difference]: Without dead ends: 2100 [2021-11-07 07:22:35,562 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-11-07 07:22:35,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1576. [2021-11-07 07:22:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.16) internal successors, (1827), 1575 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1827 transitions. [2021-11-07 07:22:35,661 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1827 transitions. Word has length 139 [2021-11-07 07:22:35,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:35,663 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1827 transitions. [2021-11-07 07:22:35,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1827 transitions. [2021-11-07 07:22:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-07 07:22:35,669 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:35,670 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:35,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 07:22:35,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:22:35,894 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:35,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:35,895 INFO L85 PathProgramCache]: Analyzing trace with hash 900636686, now seen corresponding path program 1 times [2021-11-07 07:22:35,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:35,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006554006] [2021-11-07 07:22:35,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:35,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-07 07:22:36,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:36,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006554006] [2021-11-07 07:22:36,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006554006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:36,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:22:36,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 07:22:36,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769511603] [2021-11-07 07:22:36,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:36,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:36,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:36,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:36,084 INFO L87 Difference]: Start difference. First operand 1576 states and 1827 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:36,630 INFO L93 Difference]: Finished difference Result 3019 states and 3518 transitions. [2021-11-07 07:22:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:36,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-11-07 07:22:36,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:36,641 INFO L225 Difference]: With dead ends: 3019 [2021-11-07 07:22:36,642 INFO L226 Difference]: Without dead ends: 1576 [2021-11-07 07:22:36,644 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:22:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-11-07 07:22:36,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2021-11-07 07:22:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1092063492063493) internal successors, (1747), 1575 states have internal predecessors, (1747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1747 transitions. [2021-11-07 07:22:36,696 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1747 transitions. Word has length 147 [2021-11-07 07:22:36,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:36,697 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1747 transitions. [2021-11-07 07:22:36,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1747 transitions. [2021-11-07 07:22:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-07 07:22:36,701 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:36,702 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:36,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 07:22:36,702 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1246749755, now seen corresponding path program 1 times [2021-11-07 07:22:36,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:36,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803187113] [2021-11-07 07:22:36,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:36,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:36,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:36,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803187113] [2021-11-07 07:22:36,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803187113] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:22:36,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127070846] [2021-11-07 07:22:36,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:36,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:22:36,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:22:36,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:22:36,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 07:22:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:37,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:22:37,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:22:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:22:37,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1127070846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:37,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 07:22:37,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-07 07:22:37,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248659783] [2021-11-07 07:22:37,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:37,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:37,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:37,700 INFO L87 Difference]: Start difference. First operand 1576 states and 1747 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:38,231 INFO L93 Difference]: Finished difference Result 3150 states and 3510 transitions. [2021-11-07 07:22:38,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:38,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2021-11-07 07:22:38,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:38,243 INFO L225 Difference]: With dead ends: 3150 [2021-11-07 07:22:38,243 INFO L226 Difference]: Without dead ends: 1707 [2021-11-07 07:22:38,246 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:38,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-11-07 07:22:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2021-11-07 07:22:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.0914285714285714) internal successors, (1719), 1575 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1719 transitions. [2021-11-07 07:22:38,300 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1719 transitions. Word has length 148 [2021-11-07 07:22:38,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:38,300 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1719 transitions. [2021-11-07 07:22:38,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1719 transitions. [2021-11-07 07:22:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-07 07:22:38,306 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 07:22:38,306 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:38,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 07:22:38,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-07 07:22:38,525 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 07:22:38,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:22:38,525 INFO L85 PathProgramCache]: Analyzing trace with hash 691080292, now seen corresponding path program 1 times [2021-11-07 07:22:38,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:22:38,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921939184] [2021-11-07 07:22:38,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:38,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:22:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-07 07:22:38,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:22:38,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921939184] [2021-11-07 07:22:38,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921939184] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 07:22:38,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482294600] [2021-11-07 07:22:38,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:22:38,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:22:38,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:22:38,674 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 07:22:38,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 07:22:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:22:38,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 07:22:38,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 07:22:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-07 07:22:39,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482294600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:22:39,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 07:22:39,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-07 07:22:39,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929001826] [2021-11-07 07:22:39,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 07:22:39,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:22:39,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:22:39,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:39,507 INFO L87 Difference]: Start difference. First operand 1576 states and 1719 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:40,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:22:40,028 INFO L93 Difference]: Finished difference Result 3148 states and 3448 transitions. [2021-11-07 07:22:40,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:22:40,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-11-07 07:22:40,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 07:22:40,030 INFO L225 Difference]: With dead ends: 3148 [2021-11-07 07:22:40,031 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 07:22:40,037 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 07:22:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 07:22:40,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 07:22:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 07:22:40,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2021-11-07 07:22:40,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 07:22:40,039 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 07:22:40,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 07:22:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 07:22:40,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 07:22:40,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 07:22:40,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 07:22:40,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 07:22:40,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 07:22:40,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:40,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:40,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-07 07:22:40,770 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,771 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-11-07 07:22:40,772 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,773 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-11-07 07:22:40,774 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-11-07 07:22:40,775 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,776 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-11-07 07:22:40,777 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-11-07 07:22:40,778 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-11-07 07:22:40,778 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-11-07 07:22:40,778 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,778 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,778 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,782 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-11-07 07:22:40,783 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-11-07 07:22:40,784 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-11-07 07:22:40,784 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-07 07:22:40,784 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-07 07:22:40,784 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-11-07 07:22:40,784 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-11-07 07:22:40,785 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-11-07 07:22:40,785 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,785 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,785 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,786 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,786 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,786 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,786 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-11-07 07:22:40,787 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-11-07 07:22:40,789 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-11-07 07:22:40,790 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-07 07:22:40,790 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-11-07 07:22:40,790 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-11-07 07:22:40,790 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-07 07:22:40,791 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-11-07 07:22:40,791 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-11-07 07:22:40,791 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-11-07 07:22:40,791 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-11-07 07:22:40,791 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,792 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,794 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,794 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,794 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 07:22:40,794 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-11-07 07:22:40,795 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-11-07 07:22:40,795 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-11-07 07:22:40,795 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-11-07 07:22:40,795 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-11-07 07:22:40,795 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-11-07 07:22:40,796 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-11-07 07:22:40,796 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-11-07 07:22:40,796 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-11-07 07:22:40,798 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1)) (.cse0 (<= ~a8~0 13)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5))) (let ((.cse4 (<= 15 ~a8~0)) (.cse7 (<= ~a17~0 0)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0)) (.cse8 (or (and .cse9 .cse6) .cse0 (and .cse9 .cse5)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (and (<= 5 ~a16~0) .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse6) (and .cse3 .cse7 .cse4) (and .cse0 .cse2 .cse6) (and .cse7 .cse8) (and .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse3 .cse8)))) [2021-11-07 07:22:40,798 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,798 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,798 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,799 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,799 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,799 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-11-07 07:22:40,799 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-07 07:22:40,799 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-11-07 07:22:40,800 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-11-07 07:22:40,800 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-11-07 07:22:40,800 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-07 07:22:40,800 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-11-07 07:22:40,800 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 07:22:40,801 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-11-07 07:22:40,802 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-11-07 07:22:40,802 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,802 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,802 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,802 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-11-07 07:22:40,803 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-11-07 07:22:40,804 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-07 07:22:40,804 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-11-07 07:22:40,804 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-11-07 07:22:40,804 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-11-07 07:22:40,804 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 07:22:40,805 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,805 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,805 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,806 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,806 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-11-07 07:22:40,806 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-11-07 07:22:40,807 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-11-07 07:22:40,808 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-07 07:22:40,808 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-11-07 07:22:40,808 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-11-07 07:22:40,808 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-11-07 07:22:40,809 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-11-07 07:22:40,809 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-11-07 07:22:40,810 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-11-07 07:22:40,810 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,810 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse6 (= ~a20~0 1)) (.cse0 (<= ~a8~0 13)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5))) (let ((.cse4 (<= 15 ~a8~0)) (.cse7 (<= ~a17~0 0)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 1)) (.cse3 (<= ~a20~0 0)) (.cse8 (or (and .cse9 .cse6) .cse0 (and .cse9 .cse5)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (and (<= 5 ~a16~0) .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse6) (and .cse3 .cse7 .cse4) (and .cse0 .cse2 .cse6) (and .cse7 .cse8) (and .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse3 .cse8)))) [2021-11-07 07:22:40,810 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,811 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,811 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,811 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,811 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-11-07 07:22:40,811 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 453) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-11-07 07:22:40,812 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-07 07:22:40,813 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-11-07 07:22:40,813 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-11-07 07:22:40,813 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,813 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,813 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,814 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,814 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-11-07 07:22:40,814 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-11-07 07:22:40,814 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-11-07 07:22:40,814 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-11-07 07:22:40,815 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-11-07 07:22:40,819 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:22:40,821 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 07:22:40,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:22:40 BoogieIcfgContainer [2021-11-07 07:22:40,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 07:22:40,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:22:40,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:22:40,869 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:22:40,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:22:27" (3/4) ... [2021-11-07 07:22:40,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 07:22:40,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 07:22:40,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 07:22:40,917 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 07:22:40,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 07:22:41,103 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 07:22:41,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:22:41,105 INFO L168 Benchmark]: Toolchain (without parser) took 16746.52 ms. Allocated memory was 98.6 MB in the beginning and 207.6 MB in the end (delta: 109.1 MB). Free memory was 56.1 MB in the beginning and 89.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,106 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 98.6 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:22:41,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.59 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 54.8 MB in the end (delta: 993.1 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.90 ms. Allocated memory is still 98.6 MB. Free memory was 54.8 MB in the beginning and 49.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,108 INFO L168 Benchmark]: Boogie Preprocessor took 97.78 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 44.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,108 INFO L168 Benchmark]: RCFGBuilder took 1599.78 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 44.8 MB in the beginning and 88.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,109 INFO L168 Benchmark]: TraceAbstraction took 13822.82 ms. Allocated memory was 119.5 MB in the beginning and 207.6 MB in the end (delta: 88.1 MB). Free memory was 87.7 MB in the beginning and 104.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,109 INFO L168 Benchmark]: Witness Printer took 234.54 ms. Allocated memory is still 207.6 MB. Free memory was 104.0 MB in the beginning and 89.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 07:22:41,112 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 98.6 MB. Free memory is still 74.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 842.59 ms. Allocated memory is still 98.6 MB. Free memory was 55.8 MB in the beginning and 54.8 MB in the end (delta: 993.1 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.90 ms. Allocated memory is still 98.6 MB. Free memory was 54.8 MB in the beginning and 49.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.78 ms. Allocated memory is still 98.6 MB. Free memory was 49.0 MB in the beginning and 44.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1599.78 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 44.8 MB in the beginning and 88.6 MB in the end (delta: -43.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13822.82 ms. Allocated memory was 119.5 MB in the beginning and 207.6 MB in the end (delta: 88.1 MB). Free memory was 87.7 MB in the beginning and 104.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 70.6 MB. Max. memory is 16.1 GB. * Witness Printer took 234.54 ms. Allocated memory is still 207.6 MB. Free memory was 104.0 MB in the beginning and 89.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 453]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 988 SDtfs, 1319 SDslu, 60 SDs, 0 SdLazy, 3711 SolverSat, 562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=7, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1310 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 255 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1082 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 212 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1778 NumberOfCodeBlocks, 1778 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1764 ConstructedInterpolants, 0 QuantifiedInterpolants, 4347 SizeOfPredicates, 0 NumberOfNonLiveVariables, 882 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 586/665 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((a8 <= 13 && a21 == 1) && a17 == 1) || (((a20 <= 0 && a21 == 1) && a17 == 1) && 15 <= a8)) || ((((5 <= a16 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a17 <= 0 && a20 == 1)) || ((a20 <= 0 && a17 <= 0) && 15 <= a8)) || ((a8 <= 13 && a17 == 1) && a20 == 1)) || (a17 <= 0 && (((a8 <= 14 && a20 == 1) || a8 <= 13) || (a8 <= 14 && a16 <= 5)))) || ((((a8 <= 14 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a20 <= 0 && (((a8 <= 14 && a20 == 1) || a8 <= 13) || (a8 <= 14 && a16 <= 5))) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((a8 <= 13 && a21 == 1) && a17 == 1) || (((a20 <= 0 && a21 == 1) && a17 == 1) && 15 <= a8)) || ((((5 <= a16 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a17 <= 0 && a20 == 1)) || ((a20 <= 0 && a17 <= 0) && 15 <= a8)) || ((a8 <= 13 && a17 == 1) && a20 == 1)) || (a17 <= 0 && (((a8 <= 14 && a20 == 1) || a8 <= 13) || (a8 <= 14 && a16 <= 5)))) || ((((a8 <= 14 && a21 == 1) && a17 == 1) && a16 <= 5) && a20 == 1)) || (a20 <= 0 && (((a8 <= 14 && a20 == 1) || a8 <= 13) || (a8 <= 14 && a16 <= 5))) RESULT: Ultimate proved your program to be correct! [2021-11-07 07:22:41,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdcdea0-8935-4136-8d74-f33dc4e31f3b/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE