./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt --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 8f42eccc61d1255388ff7ebf96c2e2b48855489d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:39:10,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:39:10,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:39:10,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:39:10,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:39:10,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:39:10,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:39:10,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:39:10,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:39:10,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:39:10,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:39:10,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:39:10,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:39:10,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:39:10,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:39:10,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:39:10,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:39:10,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:39:10,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:39:10,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:39:10,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:39:10,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:39:10,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:39:10,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:39:10,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:39:10,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:39:10,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:39:10,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:39:10,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:39:10,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:39:10,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:39:10,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:39:10,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:39:10,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:39:10,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:39:10,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:39:10,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:39:10,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:39:10,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:39:10,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:39:10,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:39:10,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:39:10,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:39:10,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:39:10,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:39:10,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:39:10,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:39:10,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:39:10,888 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:39:10,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:39:10,888 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:39:10,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:39:10,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:39:10,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:39:10,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:39:10,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:39:10,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:39:10,891 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:39:10,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:39:10,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:39:10,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:39:10,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:39:10,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:39:10,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:39:10,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:39:10,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:39:10,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:39:10,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:39:10,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:39:10,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:39:10,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:39:10,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:39:10,897 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_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f42eccc61d1255388ff7ebf96c2e2b48855489d [2021-10-13 00:39:11,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:39:11,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:39:11,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:39:11,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:39:11,358 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:39:11,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 00:39:11,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/data/d367886bd/368e44795e6945e8baddb85cd3f4012a/FLAG04b82e777 [2021-10-13 00:39:12,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:39:12,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2021-10-13 00:39:12,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/data/d367886bd/368e44795e6945e8baddb85cd3f4012a/FLAG04b82e777 [2021-10-13 00:39:12,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/data/d367886bd/368e44795e6945e8baddb85cd3f4012a [2021-10-13 00:39:12,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:39:12,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:39:12,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:12,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:39:12,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:39:12,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:12" (1/1) ... [2021-10-13 00:39:12,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b441cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:12, skipping insertion in model container [2021-10-13 00:39:12,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:39:12" (1/1) ... [2021-10-13 00:39:12,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:39:12,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:39:12,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 00:39:12,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:12,940 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:39:13,094 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[16995,17008] [2021-10-13 00:39:13,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:39:13,119 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:39:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13 WrapperNode [2021-10-13 00:39:13,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:39:13,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:13,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:39:13,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:39:13,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:39:13,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:39:13,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:39:13,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:39:13,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:39:13,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:39:13,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:39:13,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:39:13,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (1/1) ... [2021-10-13 00:39:13,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:39:13,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:39:13,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:39:13,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:39:13,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:39:13,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:39:13,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:39:13,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:39:14,440 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:39:14,440 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-13 00:39:14,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:14 BoogieIcfgContainer [2021-10-13 00:39:14,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:39:14,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:39:14,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:39:14,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:39:14,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:39:12" (1/3) ... [2021-10-13 00:39:14,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5569c4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:39:14, skipping insertion in model container [2021-10-13 00:39:14,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:39:13" (2/3) ... [2021-10-13 00:39:14,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5569c4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:39:14, skipping insertion in model container [2021-10-13 00:39:14,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:14" (3/3) ... [2021-10-13 00:39:14,455 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2021-10-13 00:39:14,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:39:14,463 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:39:14,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:39:14,533 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:39:14,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:39:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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) [2021-10-13 00:39:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:39:14,562 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:39:14,563 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:14,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:39:14,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:14,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1847613332, now seen corresponding path program 1 times [2021-10-13 00:39:14,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:14,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44469803] [2021-10-13 00:39:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:14,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:14,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:14,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44469803] [2021-10-13 00:39:14,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44469803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:14,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:14,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:39:15,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364935395] [2021-10-13 00:39:15,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:39:15,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:15,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:39:15,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:39:15,043 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 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 9.0) internal successors, (18), 2 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) [2021-10-13 00:39:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:15,082 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-10-13 00:39:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:39:15,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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 [2021-10-13 00:39:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:39:15,103 INFO L225 Difference]: With dead ends: 119 [2021-10-13 00:39:15,103 INFO L226 Difference]: Without dead ends: 59 [2021-10-13 00:39:15,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:39:15,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-13 00:39:15,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-13 00:39:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 58 states have internal predecessors, (82), 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) [2021-10-13 00:39:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2021-10-13 00:39:15,164 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 18 [2021-10-13 00:39:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:39:15,165 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2021-10-13 00:39:15,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 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) [2021-10-13 00:39:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2021-10-13 00:39:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:39:15,172 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:39:15,172 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:15,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:39:15,173 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:39:15,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,174 INFO L82 PathProgramCache]: Analyzing trace with hash -72020122, now seen corresponding path program 1 times [2021-10-13 00:39:15,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883475489] [2021-10-13 00:39:15,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:15,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:15,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:15,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883475489] [2021-10-13 00:39:15,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883475489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:15,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:15,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:39:15,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738842459] [2021-10-13 00:39:15,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:39:15,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:15,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:39:15,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:15,328 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 00:39:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:15,346 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2021-10-13 00:39:15,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:39:15,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-13 00:39:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:39:15,348 INFO L225 Difference]: With dead ends: 59 [2021-10-13 00:39:15,348 INFO L226 Difference]: Without dead ends: 31 [2021-10-13 00:39:15,350 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:39:15,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-13 00:39:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-13 00:39:15,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 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) [2021-10-13 00:39:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-13 00:39:15,356 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-10-13 00:39:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:39:15,357 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-13 00:39:15,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-13 00:39:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-13 00:39:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:39:15,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:39:15,359 INFO L512 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] [2021-10-13 00:39:15,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:39:15,360 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:39:15,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1370675903, now seen corresponding path program 1 times [2021-10-13 00:39:15,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123991310] [2021-10-13 00:39:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:15,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:15,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123991310] [2021-10-13 00:39:15,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123991310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:15,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:15,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:39:15,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372133760] [2021-10-13 00:39:15,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:39:15,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:15,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:39:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:39:15,562 INFO L87 Difference]: Start difference. First operand 31 states and 43 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) [2021-10-13 00:39:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:15,842 INFO L93 Difference]: Finished difference Result 103 states and 151 transitions. [2021-10-13 00:39:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:39:15,843 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 [2021-10-13 00:39:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:39:15,845 INFO L225 Difference]: With dead ends: 103 [2021-10-13 00:39:15,846 INFO L226 Difference]: Without dead ends: 79 [2021-10-13 00:39:15,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:39:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-10-13 00:39:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 51. [2021-10-13 00:39:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 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) [2021-10-13 00:39:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-13 00:39:15,861 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 24 [2021-10-13 00:39:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:39:15,861 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-13 00:39:15,862 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) [2021-10-13 00:39:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-13 00:39:15,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:39:15,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:39:15,864 INFO L512 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] [2021-10-13 00:39:15,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:39:15,864 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:39:15,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:15,865 INFO L82 PathProgramCache]: Analyzing trace with hash 437212194, now seen corresponding path program 1 times [2021-10-13 00:39:15,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:15,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109435831] [2021-10-13 00:39:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:15,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:15,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:15,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109435831] [2021-10-13 00:39:15,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109435831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:15,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:15,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:39:15,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946037717] [2021-10-13 00:39:15,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:39:15,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:15,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:39:15,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:39:15,952 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-13 00:39:16,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:16,101 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2021-10-13 00:39:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:39:16,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-10-13 00:39:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:39:16,105 INFO L225 Difference]: With dead ends: 219 [2021-10-13 00:39:16,105 INFO L226 Difference]: Without dead ends: 175 [2021-10-13 00:39:16,106 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:39:16,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-13 00:39:16,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 87. [2021-10-13 00:39:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 86 states have internal predecessors, (126), 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) [2021-10-13 00:39:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2021-10-13 00:39:16,127 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 24 [2021-10-13 00:39:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:39:16,128 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2021-10-13 00:39:16,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-13 00:39:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2021-10-13 00:39:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:39:16,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:39:16,130 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:39:16,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:39:16,131 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:39:16,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:39:16,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1687550122, now seen corresponding path program 1 times [2021-10-13 00:39:16,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:39:16,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132216937] [2021-10-13 00:39:16,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:39:16,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:39:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:39:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:39:16,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:39:16,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132216937] [2021-10-13 00:39:16,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132216937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:39:16,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:39:16,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:39:16,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418858016] [2021-10-13 00:39:16,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:39:16,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:39:16,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:39:16,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:39:16,211 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:16,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:39:16,303 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-10-13 00:39:16,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:39:16,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 00:39:16,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:39:16,305 INFO L225 Difference]: With dead ends: 271 [2021-10-13 00:39:16,305 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:39:16,311 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:39:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:39:16,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:39:16,312 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) [2021-10-13 00:39:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:39:16,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-13 00:39:16,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:39:16,313 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:39:16,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:39:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:39:16,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:39:16,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:39:16,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:39:16,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:39:16,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:39:16,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:39:16,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:39:16,700 INFO L857 garLoopResultBuilder]: For program point L217(lines 217 230) no Hoare annotation was computed. [2021-10-13 00:39:16,700 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,701 INFO L853 garLoopResultBuilder]: At program point L118(lines 113 121) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-13 00:39:16,701 INFO L853 garLoopResultBuilder]: At program point L118-1(lines 113 121) the Hoare annotation is: false [2021-10-13 00:39:16,701 INFO L853 garLoopResultBuilder]: At program point L118-2(lines 113 121) the Hoare annotation is: false [2021-10-13 00:39:16,701 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 862) no Hoare annotation was computed. [2021-10-13 00:39:16,702 INFO L853 garLoopResultBuilder]: At program point L845-1(lines 1 874) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,702 INFO L857 garLoopResultBuilder]: For program point L845-2(lines 845 862) no Hoare annotation was computed. [2021-10-13 00:39:16,702 INFO L853 garLoopResultBuilder]: At program point L845-3(lines 1 874) the Hoare annotation is: false [2021-10-13 00:39:16,702 INFO L857 garLoopResultBuilder]: For program point L845-4(lines 845 862) no Hoare annotation was computed. [2021-10-13 00:39:16,702 INFO L853 garLoopResultBuilder]: At program point L845-5(lines 1 874) the Hoare annotation is: false [2021-10-13 00:39:16,703 INFO L853 garLoopResultBuilder]: At program point L350(lines 1 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:39:16,704 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:39:16,704 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-13 00:39:16,704 INFO L857 garLoopResultBuilder]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2021-10-13 00:39:16,705 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2021-10-13 00:39:16,705 INFO L853 garLoopResultBuilder]: At program point L235(lines 186 236) the Hoare annotation is: false [2021-10-13 00:39:16,705 INFO L857 garLoopResultBuilder]: For program point L188(lines 187 234) no Hoare annotation was computed. [2021-10-13 00:39:16,706 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 859) no Hoare annotation was computed. [2021-10-13 00:39:16,706 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 859) no Hoare annotation was computed. [2021-10-13 00:39:16,706 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 859) no Hoare annotation was computed. [2021-10-13 00:39:16,706 INFO L853 garLoopResultBuilder]: At program point L288(lines 283 291) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,706 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 283 291) the Hoare annotation is: false [2021-10-13 00:39:16,706 INFO L853 garLoopResultBuilder]: At program point L288-2(lines 283 291) the Hoare annotation is: false [2021-10-13 00:39:16,707 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-10-13 00:39:16,707 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2021-10-13 00:39:16,708 INFO L857 garLoopResultBuilder]: For program point L850-2(lines 850 856) no Hoare annotation was computed. [2021-10-13 00:39:16,708 INFO L857 garLoopResultBuilder]: For program point L850-4(lines 850 856) no Hoare annotation was computed. [2021-10-13 00:39:16,708 INFO L853 garLoopResultBuilder]: At program point L834(lines 829 836) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= 1 ~systemActive~0)) [2021-10-13 00:39:16,709 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:39:16,709 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2021-10-13 00:39:16,709 INFO L853 garLoopResultBuilder]: At program point L223-1(lines 59 65) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,709 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 213) no Hoare annotation was computed. [2021-10-13 00:39:16,709 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 207 213) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,709 INFO L853 garLoopResultBuilder]: At program point L422(lines 418 424) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= 1 ~systemActive~0)) [2021-10-13 00:39:16,710 INFO L853 garLoopResultBuilder]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,710 INFO L857 garLoopResultBuilder]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-10-13 00:39:16,710 INFO L853 garLoopResultBuilder]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-10-13 00:39:16,710 INFO L853 garLoopResultBuilder]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-10-13 00:39:16,710 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,712 INFO L860 garLoopResultBuilder]: At program point L456(lines 437 459) the Hoare annotation is: true [2021-10-13 00:39:16,712 INFO L853 garLoopResultBuilder]: At program point L374-2(lines 374 388) the Hoare annotation is: false [2021-10-13 00:39:16,713 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-13 00:39:16,713 INFO L853 garLoopResultBuilder]: At program point L358(lines 353 361) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:39:16,713 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:39:16,713 INFO L857 garLoopResultBuilder]: For program point L375(line 375) no Hoare annotation was computed. [2021-10-13 00:39:16,713 INFO L857 garLoopResultBuilder]: For program point L871(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,713 INFO L857 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L871-2(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 168) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L853 garLoopResultBuilder]: At program point L162-1(lines 162 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L378-1(lines 59 65) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-10-13 00:39:16,714 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-10-13 00:39:16,715 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,715 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:39:16,716 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2021-10-13 00:39:16,716 INFO L853 garLoopResultBuilder]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:39:16,716 INFO L853 garLoopResultBuilder]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-10-13 00:39:16,717 INFO L853 garLoopResultBuilder]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-10-13 00:39:16,717 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 454) no Hoare annotation was computed. [2021-10-13 00:39:16,717 INFO L860 garLoopResultBuilder]: At program point L447-1(lines 447 454) the Hoare annotation is: true [2021-10-13 00:39:16,722 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:39:16,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:39:16 BoogieIcfgContainer [2021-10-13 00:39:16,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:39:16,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:39:16,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:39:16,744 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:39:16,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:39:14" (3/4) ... [2021-10-13 00:39:16,748 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:39:16,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:39:16,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:39:16,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:39:16,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:39:16,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:39:16,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:39:16,768 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:39:16,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-13 00:39:16,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive [2021-10-13 00:39:16,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive [2021-10-13 00:39:16,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-13 00:39:16,848 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:39:16,848 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:39:16,850 INFO L168 Benchmark]: Toolchain (without parser) took 4426.85 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 51.5 MB in the beginning and 74.8 MB in the end (delta: -23.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,850 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:39:16,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.09 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 60.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.68 ms. Allocated memory is still 92.3 MB. Free memory was 60.5 MB in the beginning and 58.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,852 INFO L168 Benchmark]: Boogie Preprocessor took 86.30 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 55.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,852 INFO L168 Benchmark]: RCFGBuilder took 1150.93 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.9 MB in the beginning and 83.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,853 INFO L168 Benchmark]: TraceAbstraction took 2296.42 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,853 INFO L168 Benchmark]: Witness Printer took 104.69 ms. Allocated memory is still 117.4 MB. Free memory was 81.1 MB in the beginning and 74.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:39:16,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory is still 68.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.09 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 60.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.68 ms. Allocated memory is still 92.3 MB. Free memory was 60.5 MB in the beginning and 58.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.30 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 55.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1150.93 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 55.9 MB in the beginning and 83.4 MB in the end (delta: -27.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2296.42 ms. Allocated memory is still 117.4 MB. Free memory was 82.7 MB in the beginning and 81.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * Witness Printer took 104.69 ms. Allocated memory is still 117.4 MB. Free memory was 81.1 MB in the beginning and 74.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 871]: 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, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2199.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 22.2ms, AutomataDifference: 655.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 380.6ms, InitialAbstractionConstructionTime: 15.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 285 SDtfs, 397 SDslu, 465 SDs, 0 SdLazy, 58 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 274.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 125.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 77.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 116 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 135 HoareAnnotationTreeSize, 27 FomulaSimplifications, 4447 FormulaSimplificationTreeSizeReduction, 280.3ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 87.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 35.8ms SsaConstructionTime, 244.1ms SatisfiabilityAnalysisTime, 514.2ms InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 207]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:39:16,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_571b5b14-48fd-4931-8523-84c1552d359b/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...