./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.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_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/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_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/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_14087bc8-2deb-429c-9619-c6a314957c10/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 1741a5d4e19b6faba6ff51056891b76c8b4c0acd4f550f71706571820842dcfa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:15:41,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:15:41,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:15:42,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:15:42,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:15:42,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:15:42,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:15:42,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:15:42,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:15:42,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:15:42,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:15:42,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:15:42,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:15:42,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:15:42,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:15:42,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:15:42,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:15:42,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:15:42,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:15:42,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:15:42,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:15:42,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:15:42,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:15:42,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:15:42,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:15:42,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:15:42,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:15:42,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:15:42,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:15:42,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:15:42,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:15:42,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:15:42,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:15:42,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:15:42,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:15:42,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:15:42,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:15:42,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:15:42,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:15:42,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:15:42,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:15:42,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:15:42,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:15:42,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:15:42,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:15:42,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:15:42,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:15:42,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:15:42,193 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:15:42,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:15:42,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:15:42,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:15:42,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:15:42,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:15:42,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:15:42,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:15:42,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:15:42,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:15:42,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:15:42,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:15:42,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:15:42,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:15:42,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:15:42,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:15:42,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:15:42,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:15:42,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:15:42,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:15:42,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:15:42,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:15:42,201 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:15:42,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:15:42,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:15:42,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:15:42,204 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_14087bc8-2deb-429c-9619-c6a314957c10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1741a5d4e19b6faba6ff51056891b76c8b4c0acd4f550f71706571820842dcfa [2021-11-22 15:15:42,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:15:42,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:15:42,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:15:42,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:15:42,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:15:42,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-11-22 15:15:42,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/data/a7fec1eac/cc1997cde5934270a96bbbeab1531b16/FLAG81a21da27 [2021-11-22 15:15:43,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:15:43,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2021-11-22 15:15:43,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/data/a7fec1eac/cc1997cde5934270a96bbbeab1531b16/FLAG81a21da27 [2021-11-22 15:15:43,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/data/a7fec1eac/cc1997cde5934270a96bbbeab1531b16 [2021-11-22 15:15:43,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:15:43,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:15:43,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:15:43,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:15:43,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:15:43,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:15:43" (1/1) ... [2021-11-22 15:15:43,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485c0eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:43, skipping insertion in model container [2021-11-22 15:15:43,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:15:43" (1/1) ... [2021-11-22 15:15:43,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:15:43,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:15:44,190 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_14087bc8-2deb-429c-9619-c6a314957c10/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2021-11-22 15:15:44,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:15:44,381 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:15:44,455 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_14087bc8-2deb-429c-9619-c6a314957c10/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c[6887,6900] [2021-11-22 15:15:44,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:15:44,560 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:15:44,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44 WrapperNode [2021-11-22 15:15:44,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:15:44,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:15:44,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:15:44,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:15:44,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,715 INFO L137 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 57, calls inlined = 139, statements flattened = 1061 [2021-11-22 15:15:44,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:15:44,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:15:44,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:15:44,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:15:44,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:15:44,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:15:44,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:15:44,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:15:44,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (1/1) ... [2021-11-22 15:15:44,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:15:44,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:15:44,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:15:44,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:15:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:15:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:15:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:15:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:15:45,108 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:15:45,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:15:46,067 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:15:46,087 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:15:46,087 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 15:15:46,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:15:46 BoogieIcfgContainer [2021-11-22 15:15:46,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:15:46,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:15:46,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:15:46,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:15:46,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:15:43" (1/3) ... [2021-11-22 15:15:46,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a12eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:15:46, skipping insertion in model container [2021-11-22 15:15:46,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:44" (2/3) ... [2021-11-22 15:15:46,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a12eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:15:46, skipping insertion in model container [2021-11-22 15:15:46,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:15:46" (3/3) ... [2021-11-22 15:15:46,116 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2021-11-22 15:15:46,123 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:15:46,124 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 15:15:46,199 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:15:46,207 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 15:15:46,207 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 15:15:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 277 states, 273 states have (on average 1.380952380952381) internal successors, (377), 276 states have internal predecessors, (377), 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 15:15:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 15:15:46,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:46,259 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 15:15:46,260 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 15:15:46,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:46,268 INFO L85 PathProgramCache]: Analyzing trace with hash 934506582, now seen corresponding path program 1 times [2021-11-22 15:15:46,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:46,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655735128] [2021-11-22 15:15:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:46,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:46,545 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 15:15:46,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:46,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655735128] [2021-11-22 15:15:46,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655735128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:46,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:46,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:15:46,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357014819] [2021-11-22 15:15:46,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:46,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:15:46,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:46,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:15:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:15:46,608 INFO L87 Difference]: Start difference. First operand has 277 states, 273 states have (on average 1.380952380952381) internal successors, (377), 276 states have internal predecessors, (377), 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 15:15:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:46,735 INFO L93 Difference]: Finished difference Result 544 states and 743 transitions. [2021-11-22 15:15:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:15:46,737 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 15:15:46,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:46,763 INFO L225 Difference]: With dead ends: 544 [2021-11-22 15:15:46,764 INFO L226 Difference]: Without dead ends: 267 [2021-11-22 15:15:46,774 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 15:15:46,780 INFO L933 BasicCegarLoop]: 367 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, 367 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 15:15:46,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-11-22 15:15:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2021-11-22 15:15:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 264 states have (on average 1.3598484848484849) internal successors, (359), 266 states have internal predecessors, (359), 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 15:15:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 359 transitions. [2021-11-22 15:15:46,895 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 359 transitions. Word has length 17 [2021-11-22 15:15:46,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:46,896 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 359 transitions. [2021-11-22 15:15:46,897 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 15:15:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 359 transitions. [2021-11-22 15:15:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 15:15:46,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:46,900 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 15:15:46,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:15:46,901 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 15:15:46,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:46,906 INFO L85 PathProgramCache]: Analyzing trace with hash -705167494, now seen corresponding path program 1 times [2021-11-22 15:15:46,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:46,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638319653] [2021-11-22 15:15:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:46,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:47,072 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 15:15:47,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:47,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638319653] [2021-11-22 15:15:47,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638319653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:47,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:47,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:15:47,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020809239] [2021-11-22 15:15:47,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:47,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:15:47,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:47,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:15:47,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:15:47,082 INFO L87 Difference]: Start difference. First operand 267 states and 359 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 15:15:47,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:47,121 INFO L93 Difference]: Finished difference Result 267 states and 359 transitions. [2021-11-22 15:15:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:15:47,122 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 15:15:47,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:47,124 INFO L225 Difference]: With dead ends: 267 [2021-11-22 15:15:47,125 INFO L226 Difference]: Without dead ends: 104 [2021-11-22 15:15:47,126 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 15:15:47,129 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 131 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 144 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 15:15:47,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-22 15:15:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-22 15:15:47,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.3495145631067962) internal successors, (139), 103 states have internal predecessors, (139), 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 15:15:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2021-11-22 15:15:47,176 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 139 transitions. Word has length 18 [2021-11-22 15:15:47,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:47,176 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-11-22 15:15:47,176 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 15:15:47,177 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2021-11-22 15:15:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 15:15:47,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:47,178 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] [2021-11-22 15:15:47,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:15:47,179 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 15:15:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:47,180 INFO L85 PathProgramCache]: Analyzing trace with hash -374239661, now seen corresponding path program 1 times [2021-11-22 15:15:47,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:47,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166554364] [2021-11-22 15:15:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:47,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:47,287 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 15:15:47,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:47,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166554364] [2021-11-22 15:15:47,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166554364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:47,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:47,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:47,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607742002] [2021-11-22 15:15:47,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:47,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:15:47,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:47,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:15:47,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:15:47,293 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 15:15:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:47,428 INFO L93 Difference]: Finished difference Result 327 states and 443 transitions. [2021-11-22 15:15:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:15:47,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-11-22 15:15:47,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:47,432 INFO L225 Difference]: With dead ends: 327 [2021-11-22 15:15:47,432 INFO L226 Difference]: Without dead ends: 230 [2021-11-22 15:15:47,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:15:47,442 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 516 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:47,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [516 Valid, 690 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:47,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-11-22 15:15:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 129. [2021-11-22 15:15:47,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.359375) internal successors, (174), 128 states have internal predecessors, (174), 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 15:15:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 174 transitions. [2021-11-22 15:15:47,478 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 174 transitions. Word has length 24 [2021-11-22 15:15:47,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:47,479 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 174 transitions. [2021-11-22 15:15:47,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 15:15:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2021-11-22 15:15:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 15:15:47,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:47,488 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] [2021-11-22 15:15:47,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:15:47,488 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 15:15:47,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:47,489 INFO L85 PathProgramCache]: Analyzing trace with hash 851701320, now seen corresponding path program 1 times [2021-11-22 15:15:47,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:47,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046470970] [2021-11-22 15:15:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:47,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:47,615 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 15:15:47,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:47,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046470970] [2021-11-22 15:15:47,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046470970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:47,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:47,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 15:15:47,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560194501] [2021-11-22 15:15:47,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:47,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 15:15:47,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 15:15:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:15:47,622 INFO L87 Difference]: Start difference. First operand 129 states and 174 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 15:15:48,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:48,109 INFO L93 Difference]: Finished difference Result 977 states and 1347 transitions. [2021-11-22 15:15:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-22 15:15:48,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 28 [2021-11-22 15:15:48,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:48,118 INFO L225 Difference]: With dead ends: 977 [2021-11-22 15:15:48,119 INFO L226 Difference]: Without dead ends: 855 [2021-11-22 15:15:48,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-11-22 15:15:48,133 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 1281 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:48,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 1581 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:15:48,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-11-22 15:15:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 355. [2021-11-22 15:15:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 354 states have (on average 1.3389830508474576) internal successors, (474), 354 states have internal predecessors, (474), 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 15:15:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 474 transitions. [2021-11-22 15:15:48,194 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 474 transitions. Word has length 28 [2021-11-22 15:15:48,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:48,195 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 474 transitions. [2021-11-22 15:15:48,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 15:15:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 474 transitions. [2021-11-22 15:15:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 15:15:48,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:48,201 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 15:15:48,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:15:48,201 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 15:15:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash -605215795, now seen corresponding path program 1 times [2021-11-22 15:15:48,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:48,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111342550] [2021-11-22 15:15:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:48,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:48,265 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 15:15:48,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:48,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111342550] [2021-11-22 15:15:48,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111342550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:48,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:48,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:15:48,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995701860] [2021-11-22 15:15:48,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:48,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:15:48,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:48,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:15:48,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:15:48,269 INFO L87 Difference]: Start difference. First operand 355 states and 474 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 15:15:48,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:48,344 INFO L93 Difference]: Finished difference Result 692 states and 926 transitions. [2021-11-22 15:15:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:15:48,345 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 15:15:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:48,348 INFO L225 Difference]: With dead ends: 692 [2021-11-22 15:15:48,348 INFO L226 Difference]: Without dead ends: 344 [2021-11-22 15:15:48,349 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 15:15:48,350 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 63 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:48,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 161 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:48,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-11-22 15:15:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2021-11-22 15:15:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 1.284457478005865) internal successors, (438), 341 states have internal predecessors, (438), 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 15:15:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 438 transitions. [2021-11-22 15:15:48,385 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 438 transitions. Word has length 30 [2021-11-22 15:15:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:48,386 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 438 transitions. [2021-11-22 15:15:48,386 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 15:15:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 438 transitions. [2021-11-22 15:15:48,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 15:15:48,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:48,388 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] [2021-11-22 15:15:48,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:15:48,389 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 15:15:48,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:48,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1095698258, now seen corresponding path program 1 times [2021-11-22 15:15:48,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:48,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110521359] [2021-11-22 15:15:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:48,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:48,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:48,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110521359] [2021-11-22 15:15:48,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110521359] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:15:48,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499633422] [2021-11-22 15:15:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:48,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:15:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:15:48,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:15:48,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:15:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:48,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:15:48,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:15:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:48,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:15:48,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499633422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:48,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:15:48,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-11-22 15:15:48,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488813749] [2021-11-22 15:15:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:48,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:15:48,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:48,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:15:48,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:48,856 INFO L87 Difference]: Start difference. First operand 342 states and 438 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:15:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:48,980 INFO L93 Difference]: Finished difference Result 763 states and 991 transitions. [2021-11-22 15:15:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:15:48,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-22 15:15:48,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:48,986 INFO L225 Difference]: With dead ends: 763 [2021-11-22 15:15:48,987 INFO L226 Difference]: Without dead ends: 510 [2021-11-22 15:15:48,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:48,991 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 168 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:48,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 392 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:15:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-11-22 15:15:49,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 495. [2021-11-22 15:15:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 494 states have (on average 1.2955465587044535) internal successors, (640), 494 states have internal predecessors, (640), 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 15:15:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 640 transitions. [2021-11-22 15:15:49,053 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 640 transitions. Word has length 48 [2021-11-22 15:15:49,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:49,055 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 640 transitions. [2021-11-22 15:15:49,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 15:15:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 640 transitions. [2021-11-22 15:15:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 15:15:49,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:49,058 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] [2021-11-22 15:15:49,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:15:49,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:15:49,287 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 15:15:49,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1865136418, now seen corresponding path program 1 times [2021-11-22 15:15:49,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:49,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55563573] [2021-11-22 15:15:49,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:49,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:15:49,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:49,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55563573] [2021-11-22 15:15:49,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55563573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:49,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:49,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:49,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711080416] [2021-11-22 15:15:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:49,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:15:49,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:15:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:49,380 INFO L87 Difference]: Start difference. First operand 495 states and 640 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 15:15:49,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:49,522 INFO L93 Difference]: Finished difference Result 1491 states and 1924 transitions. [2021-11-22 15:15:49,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:15:49,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 61 [2021-11-22 15:15:49,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:49,529 INFO L225 Difference]: With dead ends: 1491 [2021-11-22 15:15:49,529 INFO L226 Difference]: Without dead ends: 1003 [2021-11-22 15:15:49,530 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 15:15:49,532 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 204 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:49,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 526 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:49,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-11-22 15:15:49,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 525. [2021-11-22 15:15:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.2786259541984732) internal successors, (670), 524 states have internal predecessors, (670), 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 15:15:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 670 transitions. [2021-11-22 15:15:49,594 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 670 transitions. Word has length 61 [2021-11-22 15:15:49,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:49,596 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 670 transitions. [2021-11-22 15:15:49,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 15:15:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 670 transitions. [2021-11-22 15:15:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 15:15:49,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:49,600 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] [2021-11-22 15:15:49,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:15:49,600 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 15:15:49,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:49,602 INFO L85 PathProgramCache]: Analyzing trace with hash 835777120, now seen corresponding path program 1 times [2021-11-22 15:15:49,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:49,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921977027] [2021-11-22 15:15:49,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:49,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:15:49,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:49,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921977027] [2021-11-22 15:15:49,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921977027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:49,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:49,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:15:49,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970538073] [2021-11-22 15:15:49,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:49,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:15:49,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:49,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:15:49,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:49,760 INFO L87 Difference]: Start difference. First operand 525 states and 670 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 15:15:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:49,891 INFO L93 Difference]: Finished difference Result 1056 states and 1349 transitions. [2021-11-22 15:15:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:15:49,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 61 [2021-11-22 15:15:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:49,898 INFO L225 Difference]: With dead ends: 1056 [2021-11-22 15:15:49,899 INFO L226 Difference]: Without dead ends: 538 [2021-11-22 15:15:49,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 15:15:49,902 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 104 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:49,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 298 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-11-22 15:15:49,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 497. [2021-11-22 15:15:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.2762096774193548) internal successors, (633), 496 states have internal predecessors, (633), 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 15:15:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 633 transitions. [2021-11-22 15:15:49,967 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 633 transitions. Word has length 61 [2021-11-22 15:15:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:49,968 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 633 transitions. [2021-11-22 15:15:49,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 15:15:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 633 transitions. [2021-11-22 15:15:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 15:15:49,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:49,970 INFO L514 BasicCegarLoop]: trace histogram [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 15:15:49,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:15:49,971 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 15:15:49,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash 335601881, now seen corresponding path program 1 times [2021-11-22 15:15:49,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:49,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657179895] [2021-11-22 15:15:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:49,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:15:50,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:50,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657179895] [2021-11-22 15:15:50,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657179895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:50,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:50,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:50,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760330800] [2021-11-22 15:15:50,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:50,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:15:50,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:50,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:15:50,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:15:50,071 INFO L87 Difference]: Start difference. First operand 497 states and 633 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 15:15:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:50,446 INFO L93 Difference]: Finished difference Result 2979 states and 3873 transitions. [2021-11-22 15:15:50,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 15:15:50,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 63 [2021-11-22 15:15:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:50,469 INFO L225 Difference]: With dead ends: 2979 [2021-11-22 15:15:50,469 INFO L226 Difference]: Without dead ends: 2489 [2021-11-22 15:15:50,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-22 15:15:50,474 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 705 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:50,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 888 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:50,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2489 states. [2021-11-22 15:15:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2489 to 983. [2021-11-22 15:15:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 982 states have (on average 1.2627291242362526) internal successors, (1240), 982 states have internal predecessors, (1240), 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 15:15:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1240 transitions. [2021-11-22 15:15:50,641 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1240 transitions. Word has length 63 [2021-11-22 15:15:50,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:50,642 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1240 transitions. [2021-11-22 15:15:50,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 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 15:15:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1240 transitions. [2021-11-22 15:15:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 15:15:50,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:50,645 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:15:50,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:15:50,646 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 15:15:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1558915982, now seen corresponding path program 1 times [2021-11-22 15:15:50,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:50,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356344850] [2021-11-22 15:15:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:50,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:15:50,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:50,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356344850] [2021-11-22 15:15:50,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356344850] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:50,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:50,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:50,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133355394] [2021-11-22 15:15:50,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:50,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:15:50,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:50,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:15:50,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:50,749 INFO L87 Difference]: Start difference. First operand 983 states and 1240 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 15:15:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:51,241 INFO L93 Difference]: Finished difference Result 2759 states and 3467 transitions. [2021-11-22 15:15:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:15:51,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 65 [2021-11-22 15:15:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:51,262 INFO L225 Difference]: With dead ends: 2759 [2021-11-22 15:15:51,263 INFO L226 Difference]: Without dead ends: 2757 [2021-11-22 15:15:51,264 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 15:15:51,265 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 413 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:51,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 782 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:15:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2021-11-22 15:15:51,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 983. [2021-11-22 15:15:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 982 states have (on average 1.2525458248472505) internal successors, (1230), 982 states have internal predecessors, (1230), 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 15:15:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1230 transitions. [2021-11-22 15:15:51,426 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1230 transitions. Word has length 65 [2021-11-22 15:15:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:51,427 INFO L470 AbstractCegarLoop]: Abstraction has 983 states and 1230 transitions. [2021-11-22 15:15:51,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 15:15:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1230 transitions. [2021-11-22 15:15:51,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 15:15:51,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:51,431 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:15:51,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:15:51,431 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 15:15:51,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash -867273895, now seen corresponding path program 1 times [2021-11-22 15:15:51,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:51,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199065323] [2021-11-22 15:15:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:51,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:51,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:51,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199065323] [2021-11-22 15:15:51,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199065323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:51,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:51,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:51,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351431716] [2021-11-22 15:15:51,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:51,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:15:51,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:51,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:15:51,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:51,498 INFO L87 Difference]: Start difference. First operand 983 states and 1230 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 15:15:51,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:51,627 INFO L93 Difference]: Finished difference Result 1691 states and 2133 transitions. [2021-11-22 15:15:51,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:15:51,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 70 [2021-11-22 15:15:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:51,633 INFO L225 Difference]: With dead ends: 1691 [2021-11-22 15:15:51,633 INFO L226 Difference]: Without dead ends: 827 [2021-11-22 15:15:51,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 15:15:51,639 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 191 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:51,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 167 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:51,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-11-22 15:15:51,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2021-11-22 15:15:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 826 states have (on average 1.2300242130750605) internal successors, (1016), 826 states have internal predecessors, (1016), 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 15:15:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1016 transitions. [2021-11-22 15:15:51,727 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1016 transitions. Word has length 70 [2021-11-22 15:15:51,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:51,727 INFO L470 AbstractCegarLoop]: Abstraction has 827 states and 1016 transitions. [2021-11-22 15:15:51,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 15:15:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1016 transitions. [2021-11-22 15:15:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 15:15:51,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:51,730 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:15:51,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:15:51,730 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 15:15:51,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:51,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1594736962, now seen corresponding path program 1 times [2021-11-22 15:15:51,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:51,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106112073] [2021-11-22 15:15:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:51,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:51,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:51,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106112073] [2021-11-22 15:15:51,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106112073] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:15:51,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823661502] [2021-11-22 15:15:51,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:51,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:15:51,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:15:51,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:15:51,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:15:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:51,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 15:15:51,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:15:52,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:52,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:15:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:15:52,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823661502] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:15:52,336 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:15:52,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-11-22 15:15:52,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231035030] [2021-11-22 15:15:52,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:15:52,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:15:52,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:52,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:15:52,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:15:52,338 INFO L87 Difference]: Start difference. First operand 827 states and 1016 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 15:15:52,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:52,606 INFO L93 Difference]: Finished difference Result 1794 states and 2195 transitions. [2021-11-22 15:15:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:15:52,606 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 72 [2021-11-22 15:15:52,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:52,614 INFO L225 Difference]: With dead ends: 1794 [2021-11-22 15:15:52,614 INFO L226 Difference]: Without dead ends: 1086 [2021-11-22 15:15:52,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 146 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 15:15:52,617 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 292 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:52,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 620 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:15:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-11-22 15:15:52,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 729. [2021-11-22 15:15:52,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 728 states have (on average 1.2129120879120878) internal successors, (883), 728 states have internal predecessors, (883), 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 15:15:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 883 transitions. [2021-11-22 15:15:52,719 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 883 transitions. Word has length 72 [2021-11-22 15:15:52,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:52,719 INFO L470 AbstractCegarLoop]: Abstraction has 729 states and 883 transitions. [2021-11-22 15:15:52,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 15:15:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 883 transitions. [2021-11-22 15:15:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 15:15:52,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:52,723 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 15:15:52,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:15:52,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-22 15:15:52,951 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 15:15:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:52,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1458962975, now seen corresponding path program 2 times [2021-11-22 15:15:52,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:52,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236604758] [2021-11-22 15:15:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:52,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:15:53,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:53,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236604758] [2021-11-22 15:15:53,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236604758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:53,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:53,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:15:53,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813711724] [2021-11-22 15:15:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:53,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:15:53,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:53,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:15:53,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:53,098 INFO L87 Difference]: Start difference. First operand 729 states and 883 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 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 15:15:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:53,402 INFO L93 Difference]: Finished difference Result 2308 states and 2820 transitions. [2021-11-22 15:15:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:15:53,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-22 15:15:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:53,415 INFO L225 Difference]: With dead ends: 2308 [2021-11-22 15:15:53,415 INFO L226 Difference]: Without dead ends: 1692 [2021-11-22 15:15:53,417 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 15:15:53,418 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 317 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:53,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 342 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1692 states. [2021-11-22 15:15:53,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1692 to 1126. [2021-11-22 15:15:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 1125 states have (on average 1.2062222222222223) internal successors, (1357), 1125 states have internal predecessors, (1357), 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 15:15:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1357 transitions. [2021-11-22 15:15:53,565 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1357 transitions. Word has length 105 [2021-11-22 15:15:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:53,566 INFO L470 AbstractCegarLoop]: Abstraction has 1126 states and 1357 transitions. [2021-11-22 15:15:53,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 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 15:15:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1357 transitions. [2021-11-22 15:15:53,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 15:15:53,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:53,570 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 15:15:53,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:15:53,570 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:15:53,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:53,571 INFO L85 PathProgramCache]: Analyzing trace with hash 480199071, now seen corresponding path program 1 times [2021-11-22 15:15:53,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:53,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030559905] [2021-11-22 15:15:53,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:53,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 15:15:53,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:53,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030559905] [2021-11-22 15:15:53,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030559905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:53,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:15:53,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 15:15:53,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495019883] [2021-11-22 15:15:53,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:53,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 15:15:53,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:53,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 15:15:53,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:15:53,648 INFO L87 Difference]: Start difference. First operand 1126 states and 1357 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:15:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:54,052 INFO L93 Difference]: Finished difference Result 3592 states and 4382 transitions. [2021-11-22 15:15:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 15:15:54,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-11-22 15:15:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:54,072 INFO L225 Difference]: With dead ends: 3592 [2021-11-22 15:15:54,072 INFO L226 Difference]: Without dead ends: 2581 [2021-11-22 15:15:54,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-22 15:15:54,076 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 406 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:54,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 567 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:54,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states. [2021-11-22 15:15:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 1116. [2021-11-22 15:15:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.2044843049327354) internal successors, (1343), 1115 states have internal predecessors, (1343), 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 15:15:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1343 transitions. [2021-11-22 15:15:54,287 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1343 transitions. Word has length 105 [2021-11-22 15:15:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:54,287 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1343 transitions. [2021-11-22 15:15:54,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:15:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1343 transitions. [2021-11-22 15:15:54,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-22 15:15:54,294 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:54,295 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:15:54,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 15:15:54,295 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:15:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:54,296 INFO L85 PathProgramCache]: Analyzing trace with hash -881061354, now seen corresponding path program 1 times [2021-11-22 15:15:54,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:54,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657269501] [2021-11-22 15:15:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:54,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 69 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-22 15:15:54,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:54,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657269501] [2021-11-22 15:15:54,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657269501] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:15:54,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964451476] [2021-11-22 15:15:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:54,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:15:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:15:54,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:15:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:15:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:54,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 15:15:54,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:15:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-22 15:15:54,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:15:54,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964451476] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:54,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:15:54,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2021-11-22 15:15:54,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408740803] [2021-11-22 15:15:54,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:54,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:15:54,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:54,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:15:54,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:15:54,817 INFO L87 Difference]: Start difference. First operand 1116 states and 1343 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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 15:15:54,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:54,949 INFO L93 Difference]: Finished difference Result 1937 states and 2336 transitions. [2021-11-22 15:15:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:15:54,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2021-11-22 15:15:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:54,950 INFO L225 Difference]: With dead ends: 1937 [2021-11-22 15:15:54,951 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:15:54,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:15:54,957 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 83 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:54,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:15:54,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:15:54,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:15:54,958 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 15:15:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:15:54,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2021-11-22 15:15:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:54,959 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:15:54,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 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 15:15:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:15:54,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:15:54,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 15:15:54,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 15:15:54,977 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 15:15:55,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:15:55,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 15:15:55,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:16:10,971 WARN L227 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 311 DAG size of output: 276 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:16:19,099 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 322 DAG size of output: 287 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:16:30,904 WARN L227 SmtUtils]: Spent 9.89s on a formula simplification. DAG size of input: 257 DAG size of output: 254 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:16:46,573 WARN L227 SmtUtils]: Spent 15.66s on a formula simplification. DAG size of input: 400 DAG size of output: 364 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:16:56,766 WARN L227 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 211 DAG size of output: 200 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:17:04,185 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification. DAG size of input: 311 DAG size of output: 276 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-11-22 15:17:20,126 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,127 INFO L854 garLoopResultBuilder]: At program point L366(lines 354 368) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|)) (and (= |ULTIMATE.start_main_~tmp~7#1| 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-11-22 15:17:20,127 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,127 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,128 INFO L858 garLoopResultBuilder]: For program point L171-2(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,128 INFO L854 garLoopResultBuilder]: At program point L171-3(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,128 INFO L858 garLoopResultBuilder]: For program point L171-4(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,128 INFO L854 garLoopResultBuilder]: At program point L171-5(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,128 INFO L858 garLoopResultBuilder]: For program point L171-6(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,129 INFO L854 garLoopResultBuilder]: At program point L171-7(lines 167 191) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse6 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and .cse0 (not .cse6) .cse1 .cse2 .cse3 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-22 15:17:20,129 INFO L858 garLoopResultBuilder]: For program point L171-8(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,129 INFO L854 garLoopResultBuilder]: At program point L171-9(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,130 INFO L858 garLoopResultBuilder]: For program point L171-10(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,130 INFO L854 garLoopResultBuilder]: At program point L171-11(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,130 INFO L858 garLoopResultBuilder]: For program point L171-12(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,130 INFO L854 garLoopResultBuilder]: At program point L171-13(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,131 INFO L858 garLoopResultBuilder]: For program point L171-14(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,131 INFO L854 garLoopResultBuilder]: At program point L171-15(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,131 INFO L858 garLoopResultBuilder]: For program point L171-16(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,131 INFO L854 garLoopResultBuilder]: At program point L171-17(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,131 INFO L858 garLoopResultBuilder]: For program point L171-18(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,132 INFO L854 garLoopResultBuilder]: At program point L171-19(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,132 INFO L858 garLoopResultBuilder]: For program point L171-20(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,132 INFO L854 garLoopResultBuilder]: At program point L171-21(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,132 INFO L858 garLoopResultBuilder]: For program point L171-22(lines 171 188) no Hoare annotation was computed. [2021-11-22 15:17:20,132 INFO L854 garLoopResultBuilder]: At program point L171-23(lines 167 191) the Hoare annotation is: false [2021-11-22 15:17:20,133 INFO L854 garLoopResultBuilder]: At program point L504(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2021-11-22 15:17:20,133 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,133 INFO L858 garLoopResultBuilder]: For program point L175-3(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,133 INFO L858 garLoopResultBuilder]: For program point L175-6(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,134 INFO L858 garLoopResultBuilder]: For program point L175-9(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,134 INFO L858 garLoopResultBuilder]: For program point L175-12(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,134 INFO L858 garLoopResultBuilder]: For program point L175-15(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,134 INFO L858 garLoopResultBuilder]: For program point L175-18(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,135 INFO L858 garLoopResultBuilder]: For program point L175-21(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,135 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,135 INFO L858 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,135 INFO L858 garLoopResultBuilder]: For program point L175-24(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,135 INFO L858 garLoopResultBuilder]: For program point L440-2(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,136 INFO L858 garLoopResultBuilder]: For program point L175-27(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,136 INFO L858 garLoopResultBuilder]: For program point L175-30(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,136 INFO L858 garLoopResultBuilder]: For program point L175-33(lines 175 183) no Hoare annotation was computed. [2021-11-22 15:17:20,136 INFO L854 garLoopResultBuilder]: At program point L441(lines 436 443) the Hoare annotation is: false [2021-11-22 15:17:20,136 INFO L854 garLoopResultBuilder]: At program point L441-1(lines 436 443) the Hoare annotation is: false [2021-11-22 15:17:20,137 INFO L854 garLoopResultBuilder]: At program point L441-2(lines 436 443) the Hoare annotation is: false [2021-11-22 15:17:20,137 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-22 15:17:20,137 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 393) no Hoare annotation was computed. [2021-11-22 15:17:20,137 INFO L854 garLoopResultBuilder]: At program point L380-1(lines 372 396) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-11-22 15:17:20,138 INFO L858 garLoopResultBuilder]: For program point L380-2(lines 380 393) no Hoare annotation was computed. [2021-11-22 15:17:20,138 INFO L854 garLoopResultBuilder]: At program point L380-3(lines 372 396) the Hoare annotation is: false [2021-11-22 15:17:20,138 INFO L858 garLoopResultBuilder]: For program point L380-4(lines 380 393) no Hoare annotation was computed. [2021-11-22 15:17:20,138 INFO L854 garLoopResultBuilder]: At program point L380-5(lines 372 396) the Hoare annotation is: false [2021-11-22 15:17:20,138 INFO L854 garLoopResultBuilder]: At program point L249(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,139 INFO L854 garLoopResultBuilder]: At program point L249-1(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,139 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,139 INFO L854 garLoopResultBuilder]: At program point L249-3(lines 244 251) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,139 INFO L854 garLoopResultBuilder]: At program point L249-4(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,140 INFO L854 garLoopResultBuilder]: At program point L249-5(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,140 INFO L854 garLoopResultBuilder]: At program point L249-6(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,140 INFO L854 garLoopResultBuilder]: At program point L249-7(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,140 INFO L854 garLoopResultBuilder]: At program point L249-8(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,140 INFO L854 garLoopResultBuilder]: At program point L249-9(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,141 INFO L854 garLoopResultBuilder]: At program point L249-10(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,141 INFO L854 garLoopResultBuilder]: At program point L249-11(lines 244 251) the Hoare annotation is: false [2021-11-22 15:17:20,141 INFO L861 garLoopResultBuilder]: At program point L514(lines 507 516) the Hoare annotation is: true [2021-11-22 15:17:20,141 INFO L861 garLoopResultBuilder]: At program point L118(lines 55 120) the Hoare annotation is: true [2021-11-22 15:17:20,141 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 390) no Hoare annotation was computed. [2021-11-22 15:17:20,142 INFO L858 garLoopResultBuilder]: For program point L384-3(lines 384 390) no Hoare annotation was computed. [2021-11-22 15:17:20,142 INFO L858 garLoopResultBuilder]: For program point L384-6(lines 384 390) no Hoare annotation was computed. [2021-11-22 15:17:20,142 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-11-22 15:17:20,142 INFO L854 garLoopResultBuilder]: At program point L913-2(lines 909 920) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,142 INFO L858 garLoopResultBuilder]: For program point L913-3(lines 913 917) no Hoare annotation was computed. [2021-11-22 15:17:20,143 INFO L854 garLoopResultBuilder]: At program point L913-5(lines 909 920) the Hoare annotation is: false [2021-11-22 15:17:20,143 INFO L858 garLoopResultBuilder]: For program point L913-6(lines 913 917) no Hoare annotation was computed. [2021-11-22 15:17:20,143 INFO L854 garLoopResultBuilder]: At program point L913-8(lines 909 920) the Hoare annotation is: false [2021-11-22 15:17:20,143 INFO L854 garLoopResultBuilder]: At program point L982(lines 977 985) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)))) [2021-11-22 15:17:20,144 INFO L854 garLoopResultBuilder]: At program point L982-1(lines 977 985) the Hoare annotation is: false [2021-11-22 15:17:20,144 INFO L854 garLoopResultBuilder]: At program point L982-2(lines 977 985) the Hoare annotation is: false [2021-11-22 15:17:20,144 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:17:20,144 INFO L854 garLoopResultBuilder]: At program point L257(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:17:20,144 INFO L854 garLoopResultBuilder]: At program point L257-1(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,145 INFO L854 garLoopResultBuilder]: At program point L257-2(lines 252 259) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~2#1| 0)) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,145 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,145 INFO L854 garLoopResultBuilder]: At program point L257-4(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,145 INFO L854 garLoopResultBuilder]: At program point L257-5(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,146 INFO L854 garLoopResultBuilder]: At program point L257-6(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,146 INFO L854 garLoopResultBuilder]: At program point L257-7(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,146 INFO L854 garLoopResultBuilder]: At program point L257-8(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,146 INFO L854 garLoopResultBuilder]: At program point L257-9(lines 252 259) the Hoare annotation is: false [2021-11-22 15:17:20,146 INFO L854 garLoopResultBuilder]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2021-11-22 15:17:20,147 INFO L858 garLoopResultBuilder]: For program point L457(line 457) no Hoare annotation was computed. [2021-11-22 15:17:20,147 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,147 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,147 INFO L858 garLoopResultBuilder]: For program point L325-3(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,147 INFO L858 garLoopResultBuilder]: For program point L325-5(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-6(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-8(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-9(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-11(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-12(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,148 INFO L858 garLoopResultBuilder]: For program point L325-14(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,149 INFO L858 garLoopResultBuilder]: For program point L325-15(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,149 INFO L858 garLoopResultBuilder]: For program point L325-17(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,149 INFO L858 garLoopResultBuilder]: For program point L325-18(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,149 INFO L858 garLoopResultBuilder]: For program point L325-20(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,149 INFO L858 garLoopResultBuilder]: For program point L325-21(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,150 INFO L858 garLoopResultBuilder]: For program point L325-23(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,150 INFO L858 garLoopResultBuilder]: For program point L325-24(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,150 INFO L858 garLoopResultBuilder]: For program point L325-26(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,150 INFO L858 garLoopResultBuilder]: For program point L325-27(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,150 INFO L858 garLoopResultBuilder]: For program point L325-29(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,151 INFO L858 garLoopResultBuilder]: For program point L325-30(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,151 INFO L858 garLoopResultBuilder]: For program point L325-32(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,151 INFO L858 garLoopResultBuilder]: For program point L325-33(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,151 INFO L858 garLoopResultBuilder]: For program point L325-35(lines 325 329) no Hoare annotation was computed. [2021-11-22 15:17:20,151 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 464) no Hoare annotation was computed. [2021-11-22 15:17:20,152 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 460 464) no Hoare annotation was computed. [2021-11-22 15:17:20,152 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-11-22 15:17:20,152 INFO L858 garLoopResultBuilder]: For program point L527-2(lines 527 534) no Hoare annotation was computed. [2021-11-22 15:17:20,152 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,152 INFO L854 garLoopResultBuilder]: At program point L197-1(lines 193 217) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~2#1| 0)) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,153 INFO L858 garLoopResultBuilder]: For program point L197-2(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,153 INFO L854 garLoopResultBuilder]: At program point L197-3(lines 193 217) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse6 .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and .cse0 (not .cse6) .cse1 .cse2 .cse3 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-22 15:17:20,153 INFO L858 garLoopResultBuilder]: For program point L197-4(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,153 INFO L854 garLoopResultBuilder]: At program point L197-5(lines 193 217) the Hoare annotation is: false [2021-11-22 15:17:20,154 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:17:20,154 INFO L854 garLoopResultBuilder]: At program point L65-2(lines 65 112) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse6 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse5))) [2021-11-22 15:17:20,154 INFO L858 garLoopResultBuilder]: For program point L197-6(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,154 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,155 INFO L854 garLoopResultBuilder]: At program point L197-7(lines 193 217) the Hoare annotation is: false [2021-11-22 15:17:20,155 INFO L858 garLoopResultBuilder]: For program point L990-1(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,155 INFO L858 garLoopResultBuilder]: For program point L197-8(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,155 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,155 INFO L854 garLoopResultBuilder]: At program point L197-9(lines 193 217) the Hoare annotation is: false [2021-11-22 15:17:20,156 INFO L858 garLoopResultBuilder]: For program point L990-3(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,156 INFO L858 garLoopResultBuilder]: For program point L197-10(lines 197 214) no Hoare annotation was computed. [2021-11-22 15:17:20,156 INFO L858 garLoopResultBuilder]: For program point L990-4(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,156 INFO L854 garLoopResultBuilder]: At program point L197-11(lines 193 217) the Hoare annotation is: false [2021-11-22 15:17:20,156 INFO L858 garLoopResultBuilder]: For program point L990-5(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,157 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,157 INFO L858 garLoopResultBuilder]: For program point L990-6(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,157 INFO L858 garLoopResultBuilder]: For program point L990-7(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,157 INFO L858 garLoopResultBuilder]: For program point L990-8(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,157 INFO L858 garLoopResultBuilder]: For program point L990-9(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,158 INFO L858 garLoopResultBuilder]: For program point L990-10(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,158 INFO L858 garLoopResultBuilder]: For program point L990-11(lines 990 996) no Hoare annotation was computed. [2021-11-22 15:17:20,158 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-22 15:17:20,158 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-11-22 15:17:20,158 INFO L854 garLoopResultBuilder]: At program point L925-2(lines 921 932) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-11-22 15:17:20,159 INFO L854 garLoopResultBuilder]: At program point L331(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,159 INFO L854 garLoopResultBuilder]: At program point L331-1(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,159 INFO L854 garLoopResultBuilder]: At program point L331-2(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,159 INFO L854 garLoopResultBuilder]: At program point L331-3(lines 316 334) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 .cse5 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse6 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) .cse5 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse6 .cse4))) [2021-11-22 15:17:20,160 INFO L854 garLoopResultBuilder]: At program point L331-4(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,160 INFO L854 garLoopResultBuilder]: At program point L331-5(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,160 INFO L854 garLoopResultBuilder]: At program point L331-6(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,160 INFO L854 garLoopResultBuilder]: At program point L331-7(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,160 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-11-22 15:17:20,161 INFO L854 garLoopResultBuilder]: At program point L331-8(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,161 INFO L854 garLoopResultBuilder]: At program point L331-9(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,161 INFO L854 garLoopResultBuilder]: At program point L331-10(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,161 INFO L854 garLoopResultBuilder]: At program point L331-11(lines 316 334) the Hoare annotation is: false [2021-11-22 15:17:20,162 INFO L854 garLoopResultBuilder]: At program point L267(lines 260 270) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,162 INFO L854 garLoopResultBuilder]: At program point L267-1(lines 260 270) the Hoare annotation is: false [2021-11-22 15:17:20,162 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,162 INFO L854 garLoopResultBuilder]: At program point L267-2(lines 260 270) the Hoare annotation is: false [2021-11-22 15:17:20,162 INFO L858 garLoopResultBuilder]: For program point L201-3(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,163 INFO L858 garLoopResultBuilder]: For program point L201-6(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,163 INFO L858 garLoopResultBuilder]: For program point L201-9(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,163 INFO L858 garLoopResultBuilder]: For program point L201-12(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,163 INFO L858 garLoopResultBuilder]: For program point L201-15(lines 201 209) no Hoare annotation was computed. [2021-11-22 15:17:20,163 INFO L854 garLoopResultBuilder]: At program point L995(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,163 INFO L854 garLoopResultBuilder]: At program point L995-1(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,164 INFO L854 garLoopResultBuilder]: At program point L995-2(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,164 INFO L854 garLoopResultBuilder]: At program point L995-3(lines 986 999) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4))) [2021-11-22 15:17:20,164 INFO L854 garLoopResultBuilder]: At program point L995-4(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,164 INFO L854 garLoopResultBuilder]: At program point L995-5(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,165 INFO L854 garLoopResultBuilder]: At program point L995-6(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,165 INFO L854 garLoopResultBuilder]: At program point L995-7(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,165 INFO L854 garLoopResultBuilder]: At program point L995-8(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,165 INFO L854 garLoopResultBuilder]: At program point L995-9(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,165 INFO L854 garLoopResultBuilder]: At program point L995-10(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,166 INFO L854 garLoopResultBuilder]: At program point L995-11(lines 986 999) the Hoare annotation is: false [2021-11-22 15:17:20,166 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 145) no Hoare annotation was computed. [2021-11-22 15:17:20,166 INFO L858 garLoopResultBuilder]: For program point L139-2(lines 138 157) no Hoare annotation was computed. [2021-11-22 15:17:20,166 INFO L858 garLoopResultBuilder]: For program point L139-3(lines 139 145) no Hoare annotation was computed. [2021-11-22 15:17:20,166 INFO L858 garLoopResultBuilder]: For program point L139-5(lines 138 157) no Hoare annotation was computed. [2021-11-22 15:17:20,167 INFO L858 garLoopResultBuilder]: For program point L139-6(lines 139 145) no Hoare annotation was computed. [2021-11-22 15:17:20,167 INFO L858 garLoopResultBuilder]: For program point L139-8(lines 138 157) no Hoare annotation was computed. [2021-11-22 15:17:20,167 INFO L861 garLoopResultBuilder]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-11-22 15:17:20,167 INFO L861 garLoopResultBuilder]: At program point L471(lines 446 475) the Hoare annotation is: true [2021-11-22 15:17:20,167 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-22 15:17:20,168 INFO L858 garLoopResultBuilder]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2021-11-22 15:17:20,168 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-11-22 15:17:20,168 INFO L854 garLoopResultBuilder]: At program point L276(lines 271 279) the Hoare annotation is: false [2021-11-22 15:17:20,168 INFO L854 garLoopResultBuilder]: At program point L276-1(lines 271 279) the Hoare annotation is: false [2021-11-22 15:17:20,169 INFO L854 garLoopResultBuilder]: At program point L276-2(lines 271 279) the Hoare annotation is: false [2021-11-22 15:17:20,169 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 941) no Hoare annotation was computed. [2021-11-22 15:17:20,169 INFO L854 garLoopResultBuilder]: At program point L937-2(lines 933 944) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|)) (and .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse2 .cse5 .cse3 .cse4))) [2021-11-22 15:17:20,169 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,169 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,170 INFO L858 garLoopResultBuilder]: For program point L344-3(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,170 INFO L858 garLoopResultBuilder]: For program point L344-5(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,170 INFO L858 garLoopResultBuilder]: For program point L344-6(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,170 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 146 152) no Hoare annotation was computed. [2021-11-22 15:17:20,170 INFO L858 garLoopResultBuilder]: For program point L344-8(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,171 INFO L858 garLoopResultBuilder]: For program point L344-9(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,171 INFO L858 garLoopResultBuilder]: For program point L146-3(lines 146 152) no Hoare annotation was computed. [2021-11-22 15:17:20,171 INFO L854 garLoopResultBuilder]: At program point L1005(lines 1000 1008) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,171 INFO L858 garLoopResultBuilder]: For program point L344-11(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,172 INFO L858 garLoopResultBuilder]: For program point L146-5(lines 146 152) no Hoare annotation was computed. [2021-11-22 15:17:20,172 INFO L854 garLoopResultBuilder]: At program point L1005-1(lines 1000 1008) the Hoare annotation is: false [2021-11-22 15:17:20,172 INFO L858 garLoopResultBuilder]: For program point L344-12(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,172 INFO L854 garLoopResultBuilder]: At program point L1005-2(lines 1000 1008) the Hoare annotation is: false [2021-11-22 15:17:20,172 INFO L854 garLoopResultBuilder]: At program point L1005-3(lines 1000 1008) the Hoare annotation is: false [2021-11-22 15:17:20,173 INFO L858 garLoopResultBuilder]: For program point L344-14(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,173 INFO L854 garLoopResultBuilder]: At program point L1005-4(lines 1000 1008) the Hoare annotation is: false [2021-11-22 15:17:20,173 INFO L858 garLoopResultBuilder]: For program point L344-15(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,173 INFO L854 garLoopResultBuilder]: At program point L1005-5(lines 1000 1008) the Hoare annotation is: false [2021-11-22 15:17:20,173 INFO L858 garLoopResultBuilder]: For program point L344-17(lines 344 348) no Hoare annotation was computed. [2021-11-22 15:17:20,174 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-22 15:17:20,174 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-11-22 15:17:20,174 INFO L854 garLoopResultBuilder]: At program point L416(lines 412 418) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-22 15:17:20,174 INFO L854 garLoopResultBuilder]: At program point L350(lines 335 353) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~2#1| 0)) (= |ULTIMATE.start_processEnvironment_~tmp~3#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isLowWaterLevel_~tmp~5#1| 0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:17:20,175 INFO L854 garLoopResultBuilder]: At program point L350-1(lines 335 353) the Hoare annotation is: false [2021-11-22 15:17:20,175 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 335 353) the Hoare annotation is: false [2021-11-22 15:17:20,175 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 335 353) the Hoare annotation is: false [2021-11-22 15:17:20,175 INFO L854 garLoopResultBuilder]: At program point L350-4(lines 335 353) the Hoare annotation is: false [2021-11-22 15:17:20,175 INFO L854 garLoopResultBuilder]: At program point L350-5(lines 335 353) the Hoare annotation is: false [2021-11-22 15:17:20,176 INFO L854 garLoopResultBuilder]: At program point L156(lines 135 158) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-11-22 15:17:20,176 INFO L854 garLoopResultBuilder]: At program point L156-1(lines 135 158) the Hoare annotation is: false [2021-11-22 15:17:20,176 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 135 158) the Hoare annotation is: false [2021-11-22 15:17:20,176 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 240) no Hoare annotation was computed. [2021-11-22 15:17:20,177 INFO L854 garLoopResultBuilder]: At program point L223-1(lines 219 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-11-22 15:17:20,177 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 240) no Hoare annotation was computed. [2021-11-22 15:17:20,177 INFO L854 garLoopResultBuilder]: At program point L223-3(lines 219 243) the Hoare annotation is: false [2021-11-22 15:17:20,177 INFO L858 garLoopResultBuilder]: For program point L223-4(lines 223 240) no Hoare annotation was computed. [2021-11-22 15:17:20,177 INFO L854 garLoopResultBuilder]: At program point L223-5(lines 219 243) the Hoare annotation is: false [2021-11-22 15:17:20,178 INFO L854 garLoopResultBuilder]: At program point L950(lines 945 953) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 15:17:20,178 INFO L854 garLoopResultBuilder]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2021-11-22 15:17:20,178 INFO L854 garLoopResultBuilder]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2021-11-22 15:17:20,178 INFO L854 garLoopResultBuilder]: At program point L423(lines 419 425) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-22 15:17:20,179 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2021-11-22 15:17:20,179 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2021-11-22 15:17:20,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:17:20,179 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2021-11-22 15:17:20,179 INFO L858 garLoopResultBuilder]: For program point L227-3(lines 227 235) no Hoare annotation was computed. [2021-11-22 15:17:20,180 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-22 15:17:20,180 INFO L858 garLoopResultBuilder]: For program point L227-6(lines 227 235) no Hoare annotation was computed. [2021-11-22 15:17:20,180 INFO L854 garLoopResultBuilder]: At program point L163(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,180 INFO L854 garLoopResultBuilder]: At program point L163-1(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,180 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,180 INFO L854 garLoopResultBuilder]: At program point L163-3(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,181 INFO L854 garLoopResultBuilder]: At program point L163-4(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,181 INFO L854 garLoopResultBuilder]: At program point L163-5(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,181 INFO L854 garLoopResultBuilder]: At program point L163-6(lines 159 165) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 |ULTIMATE.start_isHighWaterLevel_~tmp~4#1|) .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse3 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 |ULTIMATE.start_isHighWaterSensorDry_#res#1|) .cse4 .cse5) (and (= |ULTIMATE.start_isHighWaterLevel_~tmp~4#1| ~waterLevel~0) .cse1 (= |ULTIMATE.start_valid_product_#res#1| ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| ~waterLevel~0) .cse3 (= ~waterLevel~0 1) (= ~waterLevel~0 |ULTIMATE.start_main_~tmp~7#1|) .cse4 .cse5))) [2021-11-22 15:17:20,181 INFO L854 garLoopResultBuilder]: At program point L163-7(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,182 INFO L854 garLoopResultBuilder]: At program point L163-8(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,182 INFO L854 garLoopResultBuilder]: At program point L163-9(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,182 INFO L854 garLoopResultBuilder]: At program point L163-10(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,182 INFO L854 garLoopResultBuilder]: At program point L163-11(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,182 INFO L854 garLoopResultBuilder]: At program point L163-12(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,183 INFO L854 garLoopResultBuilder]: At program point L163-13(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,183 INFO L854 garLoopResultBuilder]: At program point L163-14(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,183 INFO L854 garLoopResultBuilder]: At program point L163-15(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,183 INFO L854 garLoopResultBuilder]: At program point L163-16(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,183 INFO L854 garLoopResultBuilder]: At program point L163-17(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,184 INFO L854 garLoopResultBuilder]: At program point L163-18(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,184 INFO L854 garLoopResultBuilder]: At program point L163-19(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,184 INFO L854 garLoopResultBuilder]: At program point L163-20(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,184 INFO L854 garLoopResultBuilder]: At program point L163-21(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,184 INFO L854 garLoopResultBuilder]: At program point L163-22(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,185 INFO L854 garLoopResultBuilder]: At program point L163-23(lines 159 165) the Hoare annotation is: false [2021-11-22 15:17:20,185 INFO L854 garLoopResultBuilder]: At program point L431(lines 426 434) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-22 15:17:20,185 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2021-11-22 15:17:20,185 INFO L858 garLoopResultBuilder]: For program point L101-2(lines 95 108) no Hoare annotation was computed. [2021-11-22 15:17:20,189 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:20,191 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:17:20,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:17:20 BoogieIcfgContainer [2021-11-22 15:17:20,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:17:20,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:17:20,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:17:20,241 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:17:20,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:15:46" (3/4) ... [2021-11-22 15:17:20,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:17:20,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 92 nodes and edges [2021-11-22 15:17:20,287 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 15:17:20,291 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 15:17:20,294 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:17:20,297 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:17:20,299 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:17:20,302 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:17:20,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-11-22 15:17:20,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive [2021-11-22 15:17:20,337 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((pumpRunning == 0 && \result == waterLevel) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) [2021-11-22 15:17:20,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || (((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 15:17:20,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) [2021-11-22 15:17:20,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 [2021-11-22 15:17:20,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-22 15:17:20,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 15:17:20,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) [2021-11-22 15:17:20,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) [2021-11-22 15:17:20,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 15:17:20,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && !(0 == systemActive)) [2021-11-22 15:17:20,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 15:17:20,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel == 1) && waterLevel == tmp) && \result == 0) && !(0 == systemActive))) || (((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && tmp___0 == 0) && 1 <= tmp) && 1 <= \result) && \result == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-22 15:17:20,351 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) [2021-11-22 15:17:20,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 15:17:20,352 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-22 15:17:20,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-22 15:17:20,355 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) [2021-11-22 15:17:20,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:17:20,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:17:20,466 INFO L158 Benchmark]: Toolchain (without parser) took 96723.63ms. Allocated memory was 104.9MB in the beginning and 436.2MB in the end (delta: 331.4MB). Free memory was 73.5MB in the beginning and 264.7MB in the end (delta: -191.2MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,466 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:17:20,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.75ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 73.5MB in the beginning and 110.6MB in the end (delta: -37.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.39ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 106.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,467 INFO L158 Benchmark]: Boogie Preprocessor took 110.80ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 102.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,468 INFO L158 Benchmark]: RCFGBuilder took 1268.53ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 104.6MB in the end (delta: -1.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,468 INFO L158 Benchmark]: TraceAbstraction took 94138.54ms. Allocated memory was 144.7MB in the beginning and 436.2MB in the end (delta: 291.5MB). Free memory was 103.9MB in the beginning and 284.6MB in the end (delta: -180.7MB). Peak memory consumption was 251.6MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,469 INFO L158 Benchmark]: Witness Printer took 224.16ms. Allocated memory is still 436.2MB. Free memory was 283.6MB in the beginning and 264.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 15:17:20,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.75ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 73.5MB in the beginning and 110.6MB in the end (delta: -37.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.39ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 106.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.80ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 102.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1268.53ms. Allocated memory is still 144.7MB. Free memory was 102.7MB in the beginning and 104.6MB in the end (delta: -1.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 94138.54ms. Allocated memory was 144.7MB in the beginning and 436.2MB in the end (delta: 291.5MB). Free memory was 103.9MB in the beginning and 284.6MB in the end (delta: -180.7MB). Peak memory consumption was 251.6MB. Max. memory is 16.1GB. * Witness Printer took 224.16ms. Allocated memory is still 436.2MB. Free memory was 283.6MB in the beginning and 264.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. 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: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: 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, 277 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 94.0s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 84.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4874 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4874 mSDsluCounter, 7786 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5160 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 587 IncrementalHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 2626 mSDtfsCounter, 587 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1126occurred in iteration=13, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 6805 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 141 LocationsWithAnnotation, 141 PreInvPairs, 430 NumberOfFragments, 1288 HoareAnnotationTreeSize, 141 FomulaSimplifications, 359615 FormulaSimplificationTreeSizeReduction, 69.0s HoareSimplificationTime, 141 FomulaSimplificationsInter, 2170084 FormulaSimplificationTreeSizeReductionInter, 15.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1141 NumberOfCodeBlocks, 1141 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 2111 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1261 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 512/537 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: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && !(0 == systemActive)) || (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp)) || ((((((pumpRunning == 0 && \result == waterLevel) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && pumpRunning == 0) && \result == 0) && \result == 1) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel == 1) && waterLevel == tmp) && \result == 0) && !(0 == systemActive))) || (((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && tmp___0 == 0) && 1 <= tmp) && 1 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && !(0 == systemActive)) || ((((((((((tmp == 1 && 1 <= tmp) && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && !(pumpRunning == 0)) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((((tmp == waterLevel && pumpRunning == 0) && \result == waterLevel) && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == systemActive) && waterLevel == 1) && waterLevel == tmp) && tmp == systemActive - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) || (((((pumpRunning == 0 && \result == waterLevel) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) && !(0 == systemActive))) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(pumpRunning == 0)) && \result == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && waterLevel == tmp) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 1) && 2 <= waterLevel) && 1 <= \result) && splverifierCounter == 0) && 1 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && pumpRunning == 0) && \result == 1) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:17:20,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14087bc8-2deb-429c-9619-c6a314957c10/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