./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0 --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 debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:08:39,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:08:39,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:08:39,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:08:39,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:08:39,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:08:39,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:08:39,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:08:39,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:08:39,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:08:39,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:08:39,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:08:39,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:08:39,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:08:39,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:08:39,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:08:39,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:08:39,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:08:39,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:08:39,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:08:39,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:08:39,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:08:39,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:08:39,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:08:39,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:08:39,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:08:39,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:08:39,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:08:39,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:08:39,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:08:39,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:08:39,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:08:39,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:08:39,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:08:39,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:08:39,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:08:39,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:08:39,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:08:39,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:08:39,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:08:39,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:08:39,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:08:39,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:08:39,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:08:39,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:08:39,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:08:39,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:08:39,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:08:39,858 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:08:39,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:08:39,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:08:39,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:08:39,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:08:39,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:08:39,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:08:39,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:08:39,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:08:39,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:08:39,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:08:39,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:08:39,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:08:39,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:08:39,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:08:39,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:08:39,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:08:39,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:08:39,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:08:39,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:08:39,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:08:39,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:08:39,864 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:08:39,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:08:39,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:08:39,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:08:39,865 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_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> debcf50bf3bb3961401c62ca4b7217ea7cc93038f750143121614e56b550164d [2021-11-22 16:08:40,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:08:40,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:08:40,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:08:40,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:08:40,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:08:40,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-11-22 16:08:40,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/data/f5961bba6/a1976f0357c94105b6f190a890693c55/FLAG5a7e203b0 [2021-11-22 16:08:41,070 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:08:41,071 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2021-11-22 16:08:41,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/data/f5961bba6/a1976f0357c94105b6f190a890693c55/FLAG5a7e203b0 [2021-11-22 16:08:41,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/data/f5961bba6/a1976f0357c94105b6f190a890693c55 [2021-11-22 16:08:41,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:08:41,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:08:41,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:08:41,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:08:41,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:08:41,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:08:41" (1/1) ... [2021-11-22 16:08:41,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fbfbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:41, skipping insertion in model container [2021-11-22 16:08:41,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:08:41" (1/1) ... [2021-11-22 16:08:41,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:08:41,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:08:41,789 WARN L230 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_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-11-22 16:08:41,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:08:41,861 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:08:41,949 WARN L230 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_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c[11718,11731] [2021-11-22 16:08:41,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:08:42,030 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:08:42,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42 WrapperNode [2021-11-22 16:08:42,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:08:42,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:08:42,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:08:42,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:08:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,165 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 54, calls inlined = 96, statements flattened = 769 [2021-11-22 16:08:42,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:08:42,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:08:42,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:08:42,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:08:42,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:08:42,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:08:42,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:08:42,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:08:42,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (1/1) ... [2021-11-22 16:08:42,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:08:42,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:08:42,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:08:42,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:08:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:08:42,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:08:42,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:08:42,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:08:43,104 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:08:43,158 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:08:43,158 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 16:08:43,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:43 BoogieIcfgContainer [2021-11-22 16:08:43,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:08:43,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:08:43,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:08:43,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:08:43,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:08:41" (1/3) ... [2021-11-22 16:08:43,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b696496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:08:43, skipping insertion in model container [2021-11-22 16:08:43,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:42" (2/3) ... [2021-11-22 16:08:43,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b696496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:08:43, skipping insertion in model container [2021-11-22 16:08:43,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:43" (3/3) ... [2021-11-22 16:08:43,173 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-11-22 16:08:43,182 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:08:43,182 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 16:08:43,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:08:43,303 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 [2021-11-22 16:08:43,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 16:08:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 186 states have (on average 1.3763440860215055) internal successors, (256), 189 states have internal predecessors, (256), 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) [2021-11-22 16:08:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 16:08:43,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:43,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:43,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:43,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1250814767, now seen corresponding path program 1 times [2021-11-22 16:08:43,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:43,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367325326] [2021-11-22 16:08:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:43,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:43,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:43,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367325326] [2021-11-22 16:08:43,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367325326] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:43,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:43,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:08:43,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737340451] [2021-11-22 16:08:43,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:43,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 16:08:43,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 16:08:43,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:08:43,737 INFO L87 Difference]: Start difference. First operand has 190 states, 186 states have (on average 1.3763440860215055) internal successors, (256), 189 states have internal predecessors, (256), 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 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-11-22 16:08:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:43,790 INFO L93 Difference]: Finished difference Result 370 states and 501 transitions. [2021-11-22 16:08:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 16:08:43,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2021-11-22 16:08:43,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:43,806 INFO L225 Difference]: With dead ends: 370 [2021-11-22 16:08:43,806 INFO L226 Difference]: Without dead ends: 180 [2021-11-22 16:08:43,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:08:43,816 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:43,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-11-22 16:08:43,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2021-11-22 16:08:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 177 states have (on average 1.344632768361582) internal successors, (238), 179 states have internal predecessors, (238), 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) [2021-11-22 16:08:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2021-11-22 16:08:43,877 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 238 transitions. Word has length 17 [2021-11-22 16:08:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:43,877 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 238 transitions. [2021-11-22 16:08:43,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2021-11-22 16:08:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2021-11-22 16:08:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 16:08:43,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:43,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:43,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:08:43,881 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash -388859309, now seen corresponding path program 1 times [2021-11-22 16:08:43,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:43,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771803178] [2021-11-22 16:08:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:43,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:43,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:43,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771803178] [2021-11-22 16:08:43,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771803178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:43,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:43,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:08:43,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391220086] [2021-11-22 16:08:43,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:43,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:08:43,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:43,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:08:43,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:08:43,959 INFO L87 Difference]: Start difference. First operand 180 states and 238 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 16:08:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:43,982 INFO L93 Difference]: Finished difference Result 180 states and 238 transitions. [2021-11-22 16:08:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:08:43,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-22 16:08:43,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:43,984 INFO L225 Difference]: With dead ends: 180 [2021-11-22 16:08:43,985 INFO L226 Difference]: Without dead ends: 73 [2021-11-22 16:08:43,986 INFO L932 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 [2021-11-22 16:08:43,988 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 88 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:43,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:43,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-22 16:08:43,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-22 16:08:43,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 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) [2021-11-22 16:08:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2021-11-22 16:08:44,001 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 18 [2021-11-22 16:08:44,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:44,001 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2021-11-22 16:08:44,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 16:08:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2021-11-22 16:08:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 16:08:44,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:44,003 INFO L514 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] [2021-11-22 16:08:44,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:08:44,004 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:44,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:44,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1278807253, now seen corresponding path program 1 times [2021-11-22 16:08:44,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:44,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021081443] [2021-11-22 16:08:44,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:44,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:44,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:44,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021081443] [2021-11-22 16:08:44,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021081443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:44,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:44,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:08:44,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992910060] [2021-11-22 16:08:44,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:44,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:08:44,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:44,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:08:44,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:08:44,163 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-22 16:08:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:44,199 INFO L93 Difference]: Finished difference Result 139 states and 185 transitions. [2021-11-22 16:08:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:08:44,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-11-22 16:08:44,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:44,202 INFO L225 Difference]: With dead ends: 139 [2021-11-22 16:08:44,206 INFO L226 Difference]: Without dead ends: 73 [2021-11-22 16:08:44,207 INFO L932 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 [2021-11-22 16:08:44,210 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:44,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-22 16:08:44,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-22 16:08:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 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) [2021-11-22 16:08:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2021-11-22 16:08:44,232 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 25 [2021-11-22 16:08:44,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:44,234 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2021-11-22 16:08:44,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-11-22 16:08:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2021-11-22 16:08:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 16:08:44,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:44,239 INFO L514 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] [2021-11-22 16:08:44,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:08:44,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:44,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:44,241 INFO L85 PathProgramCache]: Analyzing trace with hash -280823236, now seen corresponding path program 1 times [2021-11-22 16:08:44,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:44,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203138988] [2021-11-22 16:08:44,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:44,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:44,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:44,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203138988] [2021-11-22 16:08:44,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203138988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:44,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:44,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:08:44,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626193190] [2021-11-22 16:08:44,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:44,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:08:44,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:44,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:08:44,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:08:44,348 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-22 16:08:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:44,428 INFO L93 Difference]: Finished difference Result 170 states and 223 transitions. [2021-11-22 16:08:44,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:08:44,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2021-11-22 16:08:44,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:44,430 INFO L225 Difference]: With dead ends: 170 [2021-11-22 16:08:44,430 INFO L226 Difference]: Without dead ends: 104 [2021-11-22 16:08:44,431 INFO L932 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 [2021-11-22 16:08:44,438 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 54 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:44,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 138 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:44,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-22 16:08:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2021-11-22 16:08:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.297029702970297) internal successors, (131), 101 states have internal predecessors, (131), 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) [2021-11-22 16:08:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 131 transitions. [2021-11-22 16:08:44,472 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 131 transitions. Word has length 30 [2021-11-22 16:08:44,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:44,472 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 131 transitions. [2021-11-22 16:08:44,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2021-11-22 16:08:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2021-11-22 16:08:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 16:08:44,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:44,475 INFO L514 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] [2021-11-22 16:08:44,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 16:08:44,475 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:44,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:44,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1515583100, now seen corresponding path program 1 times [2021-11-22 16:08:44,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:44,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032050823] [2021-11-22 16:08:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:44,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:44,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:44,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032050823] [2021-11-22 16:08:44,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032050823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:44,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:44,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:44,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044973613] [2021-11-22 16:08:44,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:44,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:08:44,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:44,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:08:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:08:44,628 INFO L87 Difference]: Start difference. First operand 102 states and 131 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-22 16:08:45,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:45,050 INFO L93 Difference]: Finished difference Result 708 states and 924 transitions. [2021-11-22 16:08:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 16:08:45,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-22 16:08:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:45,058 INFO L225 Difference]: With dead ends: 708 [2021-11-22 16:08:45,059 INFO L226 Difference]: Without dead ends: 613 [2021-11-22 16:08:45,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-22 16:08:45,061 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 638 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:45,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 745 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-22 16:08:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-11-22 16:08:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 189. [2021-11-22 16:08:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 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) [2021-11-22 16:08:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 242 transitions. [2021-11-22 16:08:45,107 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 242 transitions. Word has length 36 [2021-11-22 16:08:45,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:45,107 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 242 transitions. [2021-11-22 16:08:45,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-22 16:08:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 242 transitions. [2021-11-22 16:08:45,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 16:08:45,110 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:45,110 INFO L514 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] [2021-11-22 16:08:45,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:08:45,111 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:45,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:45,112 INFO L85 PathProgramCache]: Analyzing trace with hash 612964457, now seen corresponding path program 1 times [2021-11-22 16:08:45,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:45,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637316109] [2021-11-22 16:08:45,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:45,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:45,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:45,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637316109] [2021-11-22 16:08:45,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637316109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:45,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:45,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:08:45,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979892538] [2021-11-22 16:08:45,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:45,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:08:45,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:45,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:08:45,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:08:45,219 INFO L87 Difference]: Start difference. First operand 189 states and 242 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-22 16:08:45,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:45,310 INFO L93 Difference]: Finished difference Result 449 states and 581 transitions. [2021-11-22 16:08:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:08:45,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2021-11-22 16:08:45,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:45,314 INFO L225 Difference]: With dead ends: 449 [2021-11-22 16:08:45,314 INFO L226 Difference]: Without dead ends: 267 [2021-11-22 16:08:45,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:08:45,321 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 92 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:45,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 318 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-11-22 16:08:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 239. [2021-11-22 16:08:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.2563025210084033) internal successors, (299), 238 states have internal predecessors, (299), 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) [2021-11-22 16:08:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 299 transitions. [2021-11-22 16:08:45,380 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 299 transitions. Word has length 38 [2021-11-22 16:08:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:45,382 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 299 transitions. [2021-11-22 16:08:45,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-22 16:08:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 299 transitions. [2021-11-22 16:08:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 16:08:45,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:45,395 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 16:08:45,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 16:08:45,395 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:45,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2051506127, now seen corresponding path program 1 times [2021-11-22 16:08:45,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470134960] [2021-11-22 16:08:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:45,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:08:45,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:45,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470134960] [2021-11-22 16:08:45,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470134960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:45,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:45,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:45,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428464075] [2021-11-22 16:08:45,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:45,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:45,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:45,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:45,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:08:45,474 INFO L87 Difference]: Start difference. First operand 239 states and 299 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-11-22 16:08:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:45,589 INFO L93 Difference]: Finished difference Result 654 states and 813 transitions. [2021-11-22 16:08:45,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:08:45,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 67 [2021-11-22 16:08:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:45,595 INFO L225 Difference]: With dead ends: 654 [2021-11-22 16:08:45,595 INFO L226 Difference]: Without dead ends: 422 [2021-11-22 16:08:45,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:08:45,598 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 166 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:45,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 429 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:45,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-11-22 16:08:45,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 254. [2021-11-22 16:08:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 253 states have (on average 1.2411067193675889) internal successors, (314), 253 states have internal predecessors, (314), 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) [2021-11-22 16:08:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 314 transitions. [2021-11-22 16:08:45,641 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 314 transitions. Word has length 67 [2021-11-22 16:08:45,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:45,642 INFO L470 AbstractCegarLoop]: Abstraction has 254 states and 314 transitions. [2021-11-22 16:08:45,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-11-22 16:08:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 314 transitions. [2021-11-22 16:08:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 16:08:45,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:45,646 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 16:08:45,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 16:08:45,647 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:45,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:45,651 INFO L85 PathProgramCache]: Analyzing trace with hash 194073327, now seen corresponding path program 1 times [2021-11-22 16:08:45,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:45,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185658195] [2021-11-22 16:08:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:45,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:08:45,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:45,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185658195] [2021-11-22 16:08:45,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185658195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:45,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:45,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:45,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873747750] [2021-11-22 16:08:45,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:45,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:45,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:45,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:45,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:08:45,780 INFO L87 Difference]: Start difference. First operand 254 states and 314 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-11-22 16:08:45,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:45,872 INFO L93 Difference]: Finished difference Result 541 states and 670 transitions. [2021-11-22 16:08:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:08:45,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 67 [2021-11-22 16:08:45,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:45,876 INFO L225 Difference]: With dead ends: 541 [2021-11-22 16:08:45,876 INFO L226 Difference]: Without dead ends: 294 [2021-11-22 16:08:45,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:08:45,878 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 243 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:45,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 308 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:45,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-22 16:08:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 204. [2021-11-22 16:08:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.2266009852216748) internal successors, (249), 203 states have internal predecessors, (249), 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) [2021-11-22 16:08:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 249 transitions. [2021-11-22 16:08:45,905 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 249 transitions. Word has length 67 [2021-11-22 16:08:45,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:45,908 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 249 transitions. [2021-11-22 16:08:45,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2021-11-22 16:08:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 249 transitions. [2021-11-22 16:08:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 16:08:45,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:45,912 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 16:08:45,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:08:45,912 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1516815016, now seen corresponding path program 1 times [2021-11-22 16:08:45,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:45,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758745779] [2021-11-22 16:08:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:45,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:08:46,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:46,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758745779] [2021-11-22 16:08:46,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758745779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:46,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:46,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:46,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014192367] [2021-11-22 16:08:46,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:46,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:46,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:46,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:46,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:08:46,020 INFO L87 Difference]: Start difference. First operand 204 states and 249 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-22 16:08:46,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:46,115 INFO L93 Difference]: Finished difference Result 681 states and 841 transitions. [2021-11-22 16:08:46,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:08:46,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 69 [2021-11-22 16:08:46,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:46,120 INFO L225 Difference]: With dead ends: 681 [2021-11-22 16:08:46,120 INFO L226 Difference]: Without dead ends: 516 [2021-11-22 16:08:46,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:08:46,122 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 348 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:46,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 523 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:46,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-11-22 16:08:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 207. [2021-11-22 16:08:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.2233009708737863) internal successors, (252), 206 states have internal predecessors, (252), 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) [2021-11-22 16:08:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 252 transitions. [2021-11-22 16:08:46,153 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 252 transitions. Word has length 69 [2021-11-22 16:08:46,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:46,154 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 252 transitions. [2021-11-22 16:08:46,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-22 16:08:46,155 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 252 transitions. [2021-11-22 16:08:46,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 16:08:46,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:46,156 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 16:08:46,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 16:08:46,157 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:46,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:46,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1774980454, now seen corresponding path program 1 times [2021-11-22 16:08:46,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:46,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651939601] [2021-11-22 16:08:46,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:46,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:08:46,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:46,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651939601] [2021-11-22 16:08:46,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651939601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:46,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:46,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:46,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961383227] [2021-11-22 16:08:46,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:46,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:46,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:46,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:46,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:08:46,268 INFO L87 Difference]: Start difference. First operand 207 states and 252 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-22 16:08:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:46,451 INFO L93 Difference]: Finished difference Result 549 states and 671 transitions. [2021-11-22 16:08:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:08:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 69 [2021-11-22 16:08:46,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:46,457 INFO L225 Difference]: With dead ends: 549 [2021-11-22 16:08:46,458 INFO L226 Difference]: Without dead ends: 547 [2021-11-22 16:08:46,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:08:46,459 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 365 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:46,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 663 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:08:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-11-22 16:08:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 207. [2021-11-22 16:08:46,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.2184466019417475) internal successors, (251), 206 states have internal predecessors, (251), 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) [2021-11-22 16:08:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2021-11-22 16:08:46,499 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 69 [2021-11-22 16:08:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:46,500 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2021-11-22 16:08:46,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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) [2021-11-22 16:08:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2021-11-22 16:08:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 16:08:46,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:46,503 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-22 16:08:46,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 16:08:46,504 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:46,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:46,505 INFO L85 PathProgramCache]: Analyzing trace with hash -716753892, now seen corresponding path program 1 times [2021-11-22 16:08:46,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:46,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165052435] [2021-11-22 16:08:46,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:46,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:46,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:46,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:46,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165052435] [2021-11-22 16:08:46,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165052435] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:08:46,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687060098] [2021-11-22 16:08:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:46,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:08:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:08:46,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:08:46,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:08:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:46,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:08:46,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:08:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:47,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:08:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:47,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687060098] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:08:47,208 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:08:47,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-11-22 16:08:47,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153600] [2021-11-22 16:08:47,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:08:47,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:08:47,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:47,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:08:47,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:08:47,215 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2021-11-22 16:08:47,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:47,415 INFO L93 Difference]: Finished difference Result 644 states and 792 transitions. [2021-11-22 16:08:47,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:08:47,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 71 [2021-11-22 16:08:47,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:47,419 INFO L225 Difference]: With dead ends: 644 [2021-11-22 16:08:47,420 INFO L226 Difference]: Without dead ends: 476 [2021-11-22 16:08:47,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:08:47,423 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 351 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:47,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [351 Valid, 605 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:08:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-11-22 16:08:47,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 284. [2021-11-22 16:08:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.226148409893993) internal successors, (347), 283 states have internal predecessors, (347), 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) [2021-11-22 16:08:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2021-11-22 16:08:47,494 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 71 [2021-11-22 16:08:47,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:47,494 INFO L470 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2021-11-22 16:08:47,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2021-11-22 16:08:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2021-11-22 16:08:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 16:08:47,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:47,503 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:47,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:08:47,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-22 16:08:47,729 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1383821877, now seen corresponding path program 2 times [2021-11-22 16:08:47,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:47,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922795950] [2021-11-22 16:08:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:08:47,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:47,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922795950] [2021-11-22 16:08:47,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922795950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:47,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:47,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:47,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529455996] [2021-11-22 16:08:47,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:47,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:47,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:47,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:47,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:08:47,840 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2021-11-22 16:08:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:48,005 INFO L93 Difference]: Finished difference Result 823 states and 1019 transitions. [2021-11-22 16:08:48,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:08:48,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 100 [2021-11-22 16:08:48,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:48,010 INFO L225 Difference]: With dead ends: 823 [2021-11-22 16:08:48,010 INFO L226 Difference]: Without dead ends: 577 [2021-11-22 16:08:48,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:08:48,012 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 242 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:48,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [242 Valid, 356 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:08:48,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2021-11-22 16:08:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 384. [2021-11-22 16:08:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 1.2193211488250653) internal successors, (467), 383 states have internal predecessors, (467), 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) [2021-11-22 16:08:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 467 transitions. [2021-11-22 16:08:48,077 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 467 transitions. Word has length 100 [2021-11-22 16:08:48,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:48,078 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 467 transitions. [2021-11-22 16:08:48,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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) [2021-11-22 16:08:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 467 transitions. [2021-11-22 16:08:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 16:08:48,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:08:48,080 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:48,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 16:08:48,081 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:08:48,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:48,081 INFO L85 PathProgramCache]: Analyzing trace with hash 486428599, now seen corresponding path program 1 times [2021-11-22 16:08:48,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:48,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743291282] [2021-11-22 16:08:48,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:48,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 16:08:48,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:48,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743291282] [2021-11-22 16:08:48,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743291282] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:08:48,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946173039] [2021-11-22 16:08:48,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:48,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:08:48,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:08:48,176 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:08:48,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 16:08:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:48,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 16:08:48,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:08:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 16:08:48,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:08:48,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946173039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:48,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:08:48,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-11-22 16:08:48,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428978921] [2021-11-22 16:08:48,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:48,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:08:48,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:48,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:08:48,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:08:48,541 INFO L87 Difference]: Start difference. First operand 384 states and 467 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2021-11-22 16:08:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:48,621 INFO L93 Difference]: Finished difference Result 683 states and 829 transitions. [2021-11-22 16:08:48,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:08:48,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 100 [2021-11-22 16:08:48,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:08:48,622 INFO L225 Difference]: With dead ends: 683 [2021-11-22 16:08:48,622 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 16:08:48,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:08:48,624 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 197 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:08:48,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 398 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:08:48,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 16:08:48,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 16:08:48,627 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) [2021-11-22 16:08:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 16:08:48,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2021-11-22 16:08:48,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:08:48,627 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:08:48,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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) [2021-11-22 16:08:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 16:08:48,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 16:08:48,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 16:08:48,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 16:08:48,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 16:08:48,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:08:48,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-22 16:08:48,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 16:09:07,771 INFO L854 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: false [2021-11-22 16:09:07,771 INFO L854 garLoopResultBuilder]: At program point L795-1(lines 790 797) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:07,771 INFO L854 garLoopResultBuilder]: At program point L795-2(lines 790 797) the Hoare annotation is: false [2021-11-22 16:09:07,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L795-3(lines 790 797) the Hoare annotation is: false [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L795-4(lines 790 797) the Hoare annotation is: false [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L795-5(lines 790 797) the Hoare annotation is: false [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L895(lines 880 898) the Hoare annotation is: false [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L895-1(lines 880 898) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_~tmp~8#1| 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0) (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)))) [2021-11-22 16:09:07,772 INFO L854 garLoopResultBuilder]: At program point L895-2(lines 880 898) the Hoare annotation is: false [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L895-3(lines 880 898) the Hoare annotation is: false [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L895-4(lines 880 898) the Hoare annotation is: false [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L895-5(lines 880 898) the Hoare annotation is: false [2021-11-22 16:09:07,773 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L467-2(lines 463 474) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:07,773 INFO L858 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L467-5(lines 463 474) the Hoare annotation is: false [2021-11-22 16:09:07,773 INFO L858 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-11-22 16:09:07,773 INFO L854 garLoopResultBuilder]: At program point L467-8(lines 463 474) the Hoare annotation is: false [2021-11-22 16:09:07,774 INFO L854 garLoopResultBuilder]: At program point L831(lines 824 834) the Hoare annotation is: false [2021-11-22 16:09:07,774 INFO L854 garLoopResultBuilder]: At program point L831-1(lines 824 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:07,774 INFO L854 garLoopResultBuilder]: At program point L831-2(lines 824 834) the Hoare annotation is: false [2021-11-22 16:09:07,774 INFO L854 garLoopResultBuilder]: At program point L831-3(lines 824 834) the Hoare annotation is: false [2021-11-22 16:09:07,774 INFO L854 garLoopResultBuilder]: At program point L831-4(lines 824 834) the Hoare annotation is: false [2021-11-22 16:09:07,775 INFO L854 garLoopResultBuilder]: At program point L831-5(lines 824 834) the Hoare annotation is: false [2021-11-22 16:09:07,775 INFO L854 garLoopResultBuilder]: At program point L536(lines 531 539) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-11-22 16:09:07,775 INFO L854 garLoopResultBuilder]: At program point L536-1(lines 531 539) the Hoare annotation is: false [2021-11-22 16:09:07,775 INFO L854 garLoopResultBuilder]: At program point L536-2(lines 531 539) the Hoare annotation is: false [2021-11-22 16:09:07,775 INFO L854 garLoopResultBuilder]: At program point L735(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,776 INFO L854 garLoopResultBuilder]: At program point L735-1(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,776 INFO L854 garLoopResultBuilder]: At program point L735-2(lines 731 737) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterLevel_~tmp~8#1| 0)) .cse3 (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,776 INFO L854 garLoopResultBuilder]: At program point L735-3(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,776 INFO L861 garLoopResultBuilder]: At program point L636(lines 629 638) the Hoare annotation is: true [2021-11-22 16:09:07,776 INFO L854 garLoopResultBuilder]: At program point L735-4(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,777 INFO L854 garLoopResultBuilder]: At program point L735-5(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,777 INFO L854 garLoopResultBuilder]: At program point L735-6(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,777 INFO L854 garLoopResultBuilder]: At program point L504(lines 499 507) the Hoare annotation is: false [2021-11-22 16:09:07,777 INFO L854 garLoopResultBuilder]: At program point L735-7(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,777 INFO L854 garLoopResultBuilder]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L735-8(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L735-9(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L735-10(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,778 INFO L854 garLoopResultBuilder]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-11-22 16:09:07,779 INFO L854 garLoopResultBuilder]: At program point L735-11(lines 731 737) the Hoare annotation is: false [2021-11-22 16:09:07,779 INFO L854 garLoopResultBuilder]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-11-22 16:09:07,779 INFO L858 garLoopResultBuilder]: For program point L967(lines 967 980) no Hoare annotation was computed. [2021-11-22 16:09:07,779 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 786) no Hoare annotation was computed. [2021-11-22 16:09:07,779 INFO L854 garLoopResultBuilder]: At program point L769-1(lines 765 789) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,780 INFO L858 garLoopResultBuilder]: For program point L769-2(lines 769 786) no Hoare annotation was computed. [2021-11-22 16:09:07,780 INFO L854 garLoopResultBuilder]: At program point L769-3(lines 765 789) the Hoare annotation is: false [2021-11-22 16:09:07,780 INFO L858 garLoopResultBuilder]: For program point L769-4(lines 769 786) no Hoare annotation was computed. [2021-11-22 16:09:07,780 INFO L854 garLoopResultBuilder]: At program point L769-5(lines 765 789) the Hoare annotation is: false [2021-11-22 16:09:07,780 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,781 INFO L854 garLoopResultBuilder]: At program point L937-2(lines 937 984) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3#1|) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) (= 1 ~systemActive~0) .cse0) (and (= ~pumpRunning~0 0) .cse0 (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)))) [2021-11-22 16:09:07,781 INFO L858 garLoopResultBuilder]: For program point L938(lines 937 984) no Hoare annotation was computed. [2021-11-22 16:09:07,781 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,781 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 781) no Hoare annotation was computed. [2021-11-22 16:09:07,781 INFO L854 garLoopResultBuilder]: At program point L806-2(lines 799 815) the Hoare annotation is: false [2021-11-22 16:09:07,782 INFO L858 garLoopResultBuilder]: For program point L806-3(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,782 INFO L858 garLoopResultBuilder]: For program point L773-3(lines 773 781) no Hoare annotation was computed. [2021-11-22 16:09:07,782 INFO L854 garLoopResultBuilder]: At program point L806-5(lines 799 815) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:07,782 INFO L858 garLoopResultBuilder]: For program point L806-6(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,782 INFO L858 garLoopResultBuilder]: For program point L773-6(lines 773 781) no Hoare annotation was computed. [2021-11-22 16:09:07,783 INFO L854 garLoopResultBuilder]: At program point L806-8(lines 799 815) the Hoare annotation is: false [2021-11-22 16:09:07,783 INFO L858 garLoopResultBuilder]: For program point L806-9(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,783 INFO L854 garLoopResultBuilder]: At program point L806-11(lines 799 815) the Hoare annotation is: false [2021-11-22 16:09:07,783 INFO L858 garLoopResultBuilder]: For program point L806-12(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,783 INFO L854 garLoopResultBuilder]: At program point L806-14(lines 799 815) the Hoare annotation is: false [2021-11-22 16:09:07,783 INFO L858 garLoopResultBuilder]: For program point L806-15(lines 806 812) no Hoare annotation was computed. [2021-11-22 16:09:07,784 INFO L854 garLoopResultBuilder]: At program point L806-17(lines 799 815) the Hoare annotation is: false [2021-11-22 16:09:07,784 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 943) no Hoare annotation was computed. [2021-11-22 16:09:07,784 INFO L854 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: false [2021-11-22 16:09:07,784 INFO L854 garLoopResultBuilder]: At program point L840-1(lines 835 843) the Hoare annotation is: false [2021-11-22 16:09:07,784 INFO L854 garLoopResultBuilder]: At program point L840-2(lines 835 843) the Hoare annotation is: false [2021-11-22 16:09:07,784 INFO L854 garLoopResultBuilder]: At program point L576-2(lines 576 590) the Hoare annotation is: false [2021-11-22 16:09:07,785 INFO L858 garLoopResultBuilder]: For program point L577(line 577) no Hoare annotation was computed. [2021-11-22 16:09:07,785 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,785 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,785 INFO L858 garLoopResultBuilder]: For program point L544-2(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,785 INFO L858 garLoopResultBuilder]: For program point L544-3(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L544-4(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L544-5(lines 544 550) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L908-2(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L908-3(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,786 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,787 INFO L858 garLoopResultBuilder]: For program point L908-5(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,787 INFO L854 garLoopResultBuilder]: At program point L743-1(lines 739 763) the Hoare annotation is: false [2021-11-22 16:09:07,787 INFO L858 garLoopResultBuilder]: For program point L908-6(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,787 INFO L858 garLoopResultBuilder]: For program point L743-2(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,787 INFO L854 garLoopResultBuilder]: At program point L743-3(lines 739 763) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterLevel_~tmp~8#1| 0)) (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,788 INFO L858 garLoopResultBuilder]: For program point L908-8(lines 908 912) no Hoare annotation was computed. [2021-11-22 16:09:07,788 INFO L858 garLoopResultBuilder]: For program point L743-4(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,788 INFO L854 garLoopResultBuilder]: At program point L743-5(lines 739 763) the Hoare annotation is: false [2021-11-22 16:09:07,788 INFO L858 garLoopResultBuilder]: For program point L743-6(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,788 INFO L854 garLoopResultBuilder]: At program point L743-7(lines 739 763) the Hoare annotation is: false [2021-11-22 16:09:07,788 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-11-22 16:09:07,789 INFO L858 garLoopResultBuilder]: For program point L743-8(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,789 INFO L854 garLoopResultBuilder]: At program point L743-9(lines 739 763) the Hoare annotation is: false [2021-11-22 16:09:07,789 INFO L854 garLoopResultBuilder]: At program point L479-2(lines 475 486) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:07,789 INFO L858 garLoopResultBuilder]: For program point L743-10(lines 743 760) no Hoare annotation was computed. [2021-11-22 16:09:07,789 INFO L854 garLoopResultBuilder]: At program point L743-11(lines 739 763) the Hoare annotation is: false [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L975(lines 975 979) no Hoare annotation was computed. [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L975-2(lines 967 980) no Hoare annotation was computed. [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L711-2(lines 710 729) no Hoare annotation was computed. [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L711-3(lines 711 717) no Hoare annotation was computed. [2021-11-22 16:09:07,790 INFO L858 garLoopResultBuilder]: For program point L711-5(lines 710 729) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L711-6(lines 711 717) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L711-8(lines 710 729) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 584) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,791 INFO L858 garLoopResultBuilder]: For program point L449-1(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,792 INFO L858 garLoopResultBuilder]: For program point L449-2(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,792 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 16:09:07,792 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,792 INFO L854 garLoopResultBuilder]: At program point L681(lines 677 683) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 16:09:07,792 INFO L858 garLoopResultBuilder]: For program point L747-3(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,793 INFO L854 garLoopResultBuilder]: At program point L549(lines 540 553) the Hoare annotation is: false [2021-11-22 16:09:07,793 INFO L858 garLoopResultBuilder]: For program point L747-6(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,793 INFO L854 garLoopResultBuilder]: At program point L549-1(lines 540 553) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)) .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-11-22 16:09:07,793 INFO L854 garLoopResultBuilder]: At program point L549-2(lines 540 553) the Hoare annotation is: false [2021-11-22 16:09:07,793 INFO L854 garLoopResultBuilder]: At program point L450(lines 445 452) the Hoare annotation is: false [2021-11-22 16:09:07,794 INFO L854 garLoopResultBuilder]: At program point L549-3(lines 540 553) the Hoare annotation is: false [2021-11-22 16:09:07,794 INFO L858 garLoopResultBuilder]: For program point L747-9(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,794 INFO L854 garLoopResultBuilder]: At program point L450-1(lines 445 452) the Hoare annotation is: false [2021-11-22 16:09:07,794 INFO L854 garLoopResultBuilder]: At program point L549-4(lines 540 553) the Hoare annotation is: false [2021-11-22 16:09:07,794 INFO L854 garLoopResultBuilder]: At program point L549-5(lines 540 553) the Hoare annotation is: false [2021-11-22 16:09:07,794 INFO L854 garLoopResultBuilder]: At program point L450-2(lines 445 452) the Hoare annotation is: false [2021-11-22 16:09:07,795 INFO L858 garLoopResultBuilder]: For program point L747-12(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,795 INFO L858 garLoopResultBuilder]: For program point L747-15(lines 747 755) no Hoare annotation was computed. [2021-11-22 16:09:07,795 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-11-22 16:09:07,795 INFO L854 garLoopResultBuilder]: At program point L914(lines 899 917) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_isLowWaterLevel_#res#1|) (= |ULTIMATE.start_isLowWaterLevel_~tmp~9#1| 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1|)) [2021-11-22 16:09:07,795 INFO L858 garLoopResultBuilder]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2021-11-22 16:09:07,795 INFO L854 garLoopResultBuilder]: At program point L914-1(lines 899 917) the Hoare annotation is: false [2021-11-22 16:09:07,796 INFO L854 garLoopResultBuilder]: At program point L914-2(lines 899 917) the Hoare annotation is: false [2021-11-22 16:09:07,796 INFO L858 garLoopResultBuilder]: For program point L718-1(lines 718 724) no Hoare annotation was computed. [2021-11-22 16:09:07,796 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 659) no Hoare annotation was computed. [2021-11-22 16:09:07,796 INFO L858 garLoopResultBuilder]: For program point L718-3(lines 718 724) no Hoare annotation was computed. [2021-11-22 16:09:07,796 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 659) no Hoare annotation was computed. [2021-11-22 16:09:07,797 INFO L858 garLoopResultBuilder]: For program point L718-5(lines 718 724) no Hoare annotation was computed. [2021-11-22 16:09:07,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 16:09:07,797 INFO L854 garLoopResultBuilder]: At program point L985(lines 936 986) the Hoare annotation is: false [2021-11-22 16:09:07,797 INFO L854 garLoopResultBuilder]: At program point L688(lines 684 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 16:09:07,797 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 16:09:07,798 INFO L854 garLoopResultBuilder]: At program point L821(lines 816 823) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_isLowWaterLevel_#res#1|) (= |ULTIMATE.start_isLowWaterLevel_~tmp~9#1| 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_processEnvironment_~tmp~6#1|) (<= 1 |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1|)) [2021-11-22 16:09:07,798 INFO L854 garLoopResultBuilder]: At program point L821-1(lines 816 823) the Hoare annotation is: false [2021-11-22 16:09:07,798 INFO L854 garLoopResultBuilder]: At program point L821-2(lines 816 823) the Hoare annotation is: false [2021-11-22 16:09:07,798 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-11-22 16:09:07,798 INFO L854 garLoopResultBuilder]: At program point L491-2(lines 487 498) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-11-22 16:09:07,799 INFO L861 garLoopResultBuilder]: At program point L591(lines 566 595) the Hoare annotation is: true [2021-11-22 16:09:07,799 INFO L858 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,799 INFO L858 garLoopResultBuilder]: For program point L889-2(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,799 INFO L858 garLoopResultBuilder]: For program point L889-3(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,799 INFO L858 garLoopResultBuilder]: For program point L889-5(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,799 INFO L858 garLoopResultBuilder]: For program point L889-6(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,800 INFO L854 garLoopResultBuilder]: At program point L625(lines 621 627) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 16:09:07,800 INFO L858 garLoopResultBuilder]: For program point L889-8(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,800 INFO L858 garLoopResultBuilder]: For program point L889-9(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,800 INFO L854 garLoopResultBuilder]: At program point L559(lines 554 562) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:07,800 INFO L854 garLoopResultBuilder]: At program point L559-1(lines 554 562) the Hoare annotation is: false [2021-11-22 16:09:07,801 INFO L858 garLoopResultBuilder]: For program point L889-11(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,801 INFO L854 garLoopResultBuilder]: At program point L559-2(lines 554 562) the Hoare annotation is: false [2021-11-22 16:09:07,801 INFO L858 garLoopResultBuilder]: For program point L889-12(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,801 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 440) no Hoare annotation was computed. [2021-11-22 16:09:07,801 INFO L858 garLoopResultBuilder]: For program point L889-14(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,801 INFO L854 garLoopResultBuilder]: At program point L427-1(lines 419 443) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3#1|)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,802 INFO L858 garLoopResultBuilder]: For program point L889-15(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,802 INFO L858 garLoopResultBuilder]: For program point L427-2(lines 427 440) no Hoare annotation was computed. [2021-11-22 16:09:07,802 INFO L854 garLoopResultBuilder]: At program point L427-3(lines 419 443) the Hoare annotation is: false [2021-11-22 16:09:07,802 INFO L858 garLoopResultBuilder]: For program point L889-17(lines 889 893) no Hoare annotation was computed. [2021-11-22 16:09:07,803 INFO L858 garLoopResultBuilder]: For program point L427-4(lines 427 440) no Hoare annotation was computed. [2021-11-22 16:09:07,803 INFO L854 garLoopResultBuilder]: At program point L427-5(lines 419 443) the Hoare annotation is: false [2021-11-22 16:09:07,803 INFO L854 garLoopResultBuilder]: At program point L923(lines 918 925) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,803 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 16:09:07,803 INFO L861 garLoopResultBuilder]: At program point L990(lines 927 992) the Hoare annotation is: true [2021-11-22 16:09:07,804 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-11-22 16:09:07,804 INFO L858 garLoopResultBuilder]: For program point L957-2(lines 957 963) no Hoare annotation was computed. [2021-11-22 16:09:07,804 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 449) no Hoare annotation was computed. [2021-11-22 16:09:07,804 INFO L861 garLoopResultBuilder]: At program point L661(lines 642 664) the Hoare annotation is: true [2021-11-22 16:09:07,804 INFO L854 garLoopResultBuilder]: At program point L728(lines 707 730) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3#1|)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)))) [2021-11-22 16:09:07,805 INFO L854 garLoopResultBuilder]: At program point L728-1(lines 707 730) the Hoare annotation is: false [2021-11-22 16:09:07,805 INFO L854 garLoopResultBuilder]: At program point L728-2(lines 707 730) the Hoare annotation is: false [2021-11-22 16:09:07,805 INFO L858 garLoopResultBuilder]: For program point L431(lines 431 437) no Hoare annotation was computed. [2021-11-22 16:09:07,805 INFO L858 garLoopResultBuilder]: For program point L431-3(lines 431 437) no Hoare annotation was computed. [2021-11-22 16:09:07,805 INFO L858 garLoopResultBuilder]: For program point L431-6(lines 431 437) no Hoare annotation was computed. [2021-11-22 16:09:07,809 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:07,811 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:09:07,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:09:07 BoogieIcfgContainer [2021-11-22 16:09:07,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:09:07,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:09:07,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:09:07,843 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:09:07,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:43" (3/4) ... [2021-11-22 16:09:07,847 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 16:09:07,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-22 16:09:07,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 16:09:07,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 16:09:07,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 16:09:07,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 16:09:07,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 16:09:07,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 16:09:07,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && waterLevel == systemActive) [2021-11-22 16:09:07,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && 1 <= waterLevel) [2021-11-22 16:09:07,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((2 <= waterLevel && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-22 16:09:07,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-22 16:09:07,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-22 16:09:07,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-22 16:09:07,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && !(\result == 0)) && !(waterLevel == 0)) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) || ((((pumpRunning == 0 && !(waterLevel == 0)) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) [2021-11-22 16:09:07,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0 [2021-11-22 16:09:07,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && 1 <= waterLevel) && tmp___0 == 0) && \result == 0) [2021-11-22 16:09:07,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= \result && tmp == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= tmp___0 [2021-11-22 16:09:07,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && 1 <= waterLevel) [2021-11-22 16:09:08,045 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:09:08,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:09:08,046 INFO L158 Benchmark]: Toolchain (without parser) took 26696.36ms. Allocated memory was 102.8MB in the beginning and 255.9MB in the end (delta: 153.1MB). Free memory was 60.3MB in the beginning and 192.6MB in the end (delta: -132.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,047 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:09:08,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.11ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 69.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.32ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 65.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,049 INFO L158 Benchmark]: Boogie Preprocessor took 91.71ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 63.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,049 INFO L158 Benchmark]: RCFGBuilder took 902.00ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 63.2MB in the beginning and 98.0MB in the end (delta: -34.7MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,050 INFO L158 Benchmark]: TraceAbstraction took 24678.71ms. Allocated memory was 123.7MB in the beginning and 255.9MB in the end (delta: 132.1MB). Free memory was 97.5MB in the beginning and 207.3MB in the end (delta: -109.8MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,051 INFO L158 Benchmark]: Witness Printer took 203.03ms. Allocated memory is still 255.9MB. Free memory was 207.3MB in the beginning and 192.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 16:09:08,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.11ms. Allocated memory is still 102.8MB. Free memory was 60.2MB in the beginning and 69.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.32ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 65.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.71ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 63.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.00ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 63.2MB in the beginning and 98.0MB in the end (delta: -34.7MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24678.71ms. Allocated memory was 123.7MB in the beginning and 255.9MB in the end (delta: 132.1MB). Free memory was 97.5MB in the beginning and 207.3MB in the end (delta: -109.8MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * Witness Printer took 203.03ms. Allocated memory is still 255.9MB. Free memory was 207.3MB in the beginning and 192.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * 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: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 449]: 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, 190 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2860 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2860 mSDsluCounter, 4924 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3018 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 365 IncrementalHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 1906 mSDtfsCounter, 365 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 272 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=12, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1746 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 98 LocationsWithAnnotation, 98 PreInvPairs, 216 NumberOfFragments, 600 HoareAnnotationTreeSize, 98 FomulaSimplifications, 17220 FormulaSimplificationTreeSizeReduction, 13.3s HoareSimplificationTime, 98 FomulaSimplificationsInter, 1158859 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 878 NumberOfCodeBlocks, 878 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 933 ConstructedInterpolants, 0 QuantifiedInterpolants, 1584 SizeOfPredicates, 6 NumberOfNonLiveVariables, 884 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 284/308 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 3 specifications checked. All of them hold - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && 1 <= waterLevel) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((\result == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || (((2 <= waterLevel && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((((1 <= \result && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && 1 <= waterLevel) && tmp___0 == 0) && \result == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((1 <= tmp && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && waterLevel == systemActive) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && !(\result == 0)) && !(waterLevel == 0)) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) || ((((pumpRunning == 0 && !(waterLevel == 0)) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((((pumpRunning == 0 && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) && 1 <= waterLevel) - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((((((1 <= \result && tmp == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= tmp___0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 16:09:08,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae0ebc1-6a1d-4bb1-ae92-ccf3ab13d300/bin/uautomizer-w2VwFs6gM0/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