./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.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_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/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_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/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_89367802-7c7b-4040-95d8-572ff00780b9/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 f7c7db9989bf214b2258caa5c05380b7759170fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:44:49,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:44:49,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:44:49,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:44:49,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:44:49,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:44:49,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:44:49,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:44:49,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:44:49,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:44:49,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:44:49,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:44:49,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:44:49,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:44:49,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:44:49,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:44:49,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:44:49,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:44:49,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:44:49,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:44:49,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:44:49,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:44:49,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:44:49,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:44:49,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:44:49,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:44:49,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:44:49,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:44:49,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:44:49,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:44:49,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:44:49,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:44:49,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:44:49,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:44:49,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:44:49,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:44:49,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:44:49,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:44:49,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:44:49,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:44:49,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:44:49,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:44:49,785 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:44:49,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:44:49,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:44:49,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:44:49,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:44:49,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:44:49,791 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:44:49,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:44:49,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:44:49,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:44:49,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:44:49,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:44:49,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:44:49,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:44:49,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:44:49,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:44:49,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:44:49,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:44:49,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:44:49,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:44:49,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:44:49,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:44:49,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:44:49,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:44:49,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:44:49,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:44:49,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:44:49,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:44:49,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:44:49,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:44:49,798 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_89367802-7c7b-4040-95d8-572ff00780b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2021-10-13 00:44:50,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:44:50,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:44:50,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:44:50,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:44:50,211 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:44:50,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 00:44:50,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/data/8fda64091/76d578cf563041fba3f16e48d3152e19/FLAG546d09caa [2021-10-13 00:44:51,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:44:51,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2021-10-13 00:44:51,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/data/8fda64091/76d578cf563041fba3f16e48d3152e19/FLAG546d09caa [2021-10-13 00:44:51,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/data/8fda64091/76d578cf563041fba3f16e48d3152e19 [2021-10-13 00:44:51,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:44:51,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:44:51,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:44:51,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:44:51,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:44:51,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:51,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f4657f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51, skipping insertion in model container [2021-10-13 00:44:51,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:51,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:44:51,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:44:51,798 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_89367802-7c7b-4040-95d8-572ff00780b9/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 00:44:51,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:44:51,868 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:44:51,945 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_89367802-7c7b-4040-95d8-572ff00780b9/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14336,14349] [2021-10-13 00:44:51,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:44:51,987 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:44:51,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51 WrapperNode [2021-10-13 00:44:51,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:44:51,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:44:51,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:44:51,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:44:52,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:44:52,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:44:52,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:44:52,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:44:52,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:44:52,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:44:52,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:44:52,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:44:52,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (1/1) ... [2021-10-13 00:44:52,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:44:52,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:44:52,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:44:52,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:44:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:44:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:44:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:44:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:44:53,655 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:44:53,655 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-13 00:44:53,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:53 BoogieIcfgContainer [2021-10-13 00:44:53,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:44:53,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:44:53,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:44:53,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:44:53,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:44:51" (1/3) ... [2021-10-13 00:44:53,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6278215d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:53, skipping insertion in model container [2021-10-13 00:44:53,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:51" (2/3) ... [2021-10-13 00:44:53,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6278215d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:53, skipping insertion in model container [2021-10-13 00:44:53,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:53" (3/3) ... [2021-10-13 00:44:53,676 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2021-10-13 00:44:53,684 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:44:53,684 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:44:53,791 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:44:53,804 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 00:44:53,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:44:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 00:44:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:44:53,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:53,845 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 00:44:53,846 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 00:44:53,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:53,853 INFO L82 PathProgramCache]: Analyzing trace with hash 631358255, now seen corresponding path program 1 times [2021-10-13 00:44:53,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:53,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491581433] [2021-10-13 00:44:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:53,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:54,261 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 00:44:54,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:54,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491581433] [2021-10-13 00:44:54,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491581433] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:54,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:54,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:44:54,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977443783] [2021-10-13 00:44:54,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:44:54,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:54,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:44:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:44:54,296 INFO L87 Difference]: Start difference. First operand has 109 states, 105 states have (on average 1.5523809523809524) internal successors, (163), 108 states have internal predecessors, (163), 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 00:44:54,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:54,338 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2021-10-13 00:44:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:44:54,340 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 00:44:54,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:54,353 INFO L225 Difference]: With dead ends: 211 [2021-10-13 00:44:54,354 INFO L226 Difference]: Without dead ends: 105 [2021-10-13 00:44:54,358 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 00:44:54,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-13 00:44:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2021-10-13 00:44:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 104 states have internal predecessors, (151), 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 00:44:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2021-10-13 00:44:54,406 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2021-10-13 00:44:54,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:54,407 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2021-10-13 00:44:54,407 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 00:44:54,407 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2021-10-13 00:44:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:44:54,409 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:54,409 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 00:44:54,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:44:54,410 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 00:44:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:54,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1546440637, now seen corresponding path program 1 times [2021-10-13 00:44:54,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:54,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553729608] [2021-10-13 00:44:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:54,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:54,511 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 00:44:54,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:54,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553729608] [2021-10-13 00:44:54,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553729608] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:54,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:54,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:44:54,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032939017] [2021-10-13 00:44:54,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:44:54,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:44:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:54,529 INFO L87 Difference]: Start difference. First operand 105 states and 151 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 00:44:54,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:54,550 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2021-10-13 00:44:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:44:54,551 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 00:44:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:54,553 INFO L225 Difference]: With dead ends: 105 [2021-10-13 00:44:54,553 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 00:44:54,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:54,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 00:44:54,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 00:44:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 00:44:54,568 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-13 00:44:54,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:54,569 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 00:44:54,569 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 00:44:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 00:44:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:44:54,573 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:54,573 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 00:44:54,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:44:54,574 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 00:44:54,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:54,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2132184394, now seen corresponding path program 1 times [2021-10-13 00:44:54,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:54,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408826295] [2021-10-13 00:44:54,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:54,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:54,705 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 00:44:54,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:54,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408826295] [2021-10-13 00:44:54,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408826295] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:54,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:54,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:44:54,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315719980] [2021-10-13 00:44:54,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:44:54,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:54,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:44:54,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:54,709 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 00:44:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:54,727 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2021-10-13 00:44:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:44:54,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 00:44:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:54,729 INFO L225 Difference]: With dead ends: 83 [2021-10-13 00:44:54,729 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 00:44:54,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:54,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 00:44:54,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 00:44:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 44 states have internal predecessors, (63), 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 00:44:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-13 00:44:54,741 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-13 00:44:54,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:54,742 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-13 00:44:54,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 00:44:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-13 00:44:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:44:54,743 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:54,744 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, 1] [2021-10-13 00:44:54,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:44:54,744 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 00:44:54,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:54,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1437786744, now seen corresponding path program 1 times [2021-10-13 00:44:54,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:54,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343874638] [2021-10-13 00:44:54,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:54,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:54,905 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 00:44:54,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:54,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343874638] [2021-10-13 00:44:54,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343874638] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:54,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:54,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:44:54,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496561073] [2021-10-13 00:44:54,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:44:54,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:54,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:44:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:44:54,917 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 00:44:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:55,123 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2021-10-13 00:44:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:44:55,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 26 [2021-10-13 00:44:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:55,131 INFO L225 Difference]: With dead ends: 207 [2021-10-13 00:44:55,131 INFO L226 Difference]: Without dead ends: 169 [2021-10-13 00:44:55,132 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:44:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-13 00:44:55,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2021-10-13 00:44:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4415584415584415) internal successors, (111), 77 states have internal predecessors, (111), 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 00:44:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2021-10-13 00:44:55,167 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2021-10-13 00:44:55,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:55,168 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2021-10-13 00:44:55,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 00:44:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2021-10-13 00:44:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 00:44:55,170 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:55,170 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, 1, 1] [2021-10-13 00:44:55,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:44:55,171 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 00:44:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:55,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1841086480, now seen corresponding path program 1 times [2021-10-13 00:44:55,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:55,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817296097] [2021-10-13 00:44:55,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:55,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:55,306 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 00:44:55,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:55,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817296097] [2021-10-13 00:44:55,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817296097] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:55,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:55,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:44:55,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137148771] [2021-10-13 00:44:55,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:44:55,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:55,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:44:55,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:44:55,311 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 00:44:55,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:55,401 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2021-10-13 00:44:55,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:44:55,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-13 00:44:55,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:55,403 INFO L225 Difference]: With dead ends: 176 [2021-10-13 00:44:55,403 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:44:55,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:44:55,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:44:55,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:44:55,409 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 00:44:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:44:55,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-13 00:44:55,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:55,411 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:44:55,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 00:44:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:44:55,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:44:55,416 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:55,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:55,417 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:55,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:44:55,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:44:55,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:55,842 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,842 INFO L857 garLoopResultBuilder]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,843 INFO L857 garLoopResultBuilder]: For program point L861-3(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,843 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,843 INFO L857 garLoopResultBuilder]: For program point L861-5(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,843 INFO L857 garLoopResultBuilder]: For program point L861-6(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,845 INFO L857 garLoopResultBuilder]: For program point L861-8(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,845 INFO L857 garLoopResultBuilder]: For program point L861-9(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,845 INFO L857 garLoopResultBuilder]: For program point L861-11(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,845 INFO L857 garLoopResultBuilder]: For program point L861-12(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,845 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 442) no Hoare annotation was computed. [2021-10-13 00:44:55,846 INFO L857 garLoopResultBuilder]: For program point L861-14(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,846 INFO L857 garLoopResultBuilder]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2021-10-13 00:44:55,846 INFO L857 garLoopResultBuilder]: For program point L861-15(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,847 INFO L857 garLoopResultBuilder]: For program point L861-17(lines 861 865) no Hoare annotation was computed. [2021-10-13 00:44:55,847 INFO L857 garLoopResultBuilder]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2021-10-13 00:44:55,848 INFO L853 garLoopResultBuilder]: At program point L928(lines 881 929) the Hoare annotation is: false [2021-10-13 00:44:55,848 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 771) no Hoare annotation was computed. [2021-10-13 00:44:55,848 INFO L857 garLoopResultBuilder]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2021-10-13 00:44:55,849 INFO L857 garLoopResultBuilder]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2021-10-13 00:44:55,849 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-10-13 00:44:55,849 INFO L857 garLoopResultBuilder]: For program point L565-3(lines 565 569) no Hoare annotation was computed. [2021-10-13 00:44:55,849 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-13 00:44:55,849 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 439) no Hoare annotation was computed. [2021-10-13 00:44:55,850 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 701 707) no Hoare annotation was computed. [2021-10-13 00:44:55,850 INFO L857 garLoopResultBuilder]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2021-10-13 00:44:55,850 INFO L857 garLoopResultBuilder]: For program point L565-6(lines 565 569) no Hoare annotation was computed. [2021-10-13 00:44:55,850 INFO L857 garLoopResultBuilder]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2021-10-13 00:44:55,850 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,851 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,851 INFO L857 garLoopResultBuilder]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,851 INFO L857 garLoopResultBuilder]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,851 INFO L857 garLoopResultBuilder]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,852 INFO L857 garLoopResultBuilder]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2021-10-13 00:44:55,852 INFO L853 garLoopResultBuilder]: At program point L701(lines 700 719) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,853 INFO L857 garLoopResultBuilder]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2021-10-13 00:44:55,853 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2021-10-13 00:44:55,854 INFO L853 garLoopResultBuilder]: At program point L602(lines 597 605) the Hoare annotation is: false [2021-10-13 00:44:55,854 INFO L853 garLoopResultBuilder]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2021-10-13 00:44:55,856 INFO L853 garLoopResultBuilder]: At program point L602-1(lines 597 605) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,856 INFO L853 garLoopResultBuilder]: At program point L602-2(lines 597 605) the Hoare annotation is: false [2021-10-13 00:44:55,856 INFO L853 garLoopResultBuilder]: At program point L602-3(lines 597 605) the Hoare annotation is: false [2021-10-13 00:44:55,856 INFO L853 garLoopResultBuilder]: At program point L602-4(lines 597 605) the Hoare annotation is: false [2021-10-13 00:44:55,856 INFO L853 garLoopResultBuilder]: At program point L602-5(lines 597 605) the Hoare annotation is: false [2021-10-13 00:44:55,857 INFO L853 garLoopResultBuilder]: At program point L867(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,857 INFO L853 garLoopResultBuilder]: At program point L867-1(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,857 INFO L853 garLoopResultBuilder]: At program point L867-2(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,857 INFO L853 garLoopResultBuilder]: At program point L867-3(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,858 INFO L853 garLoopResultBuilder]: At program point L867-4(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,858 INFO L853 garLoopResultBuilder]: At program point L867-5(lines 852 870) the Hoare annotation is: false [2021-10-13 00:44:55,858 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,858 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 908) no Hoare annotation was computed. [2021-10-13 00:44:55,860 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 902 908) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,860 INFO L853 garLoopResultBuilder]: At program point L803(lines 796 806) the Hoare annotation is: false [2021-10-13 00:44:55,860 INFO L853 garLoopResultBuilder]: At program point L803-1(lines 796 806) the Hoare annotation is: false [2021-10-13 00:44:55,861 INFO L857 garLoopResultBuilder]: For program point L737(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,861 INFO L853 garLoopResultBuilder]: At program point L803-2(lines 796 806) the Hoare annotation is: false [2021-10-13 00:44:55,861 INFO L857 garLoopResultBuilder]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,861 INFO L857 garLoopResultBuilder]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,861 INFO L857 garLoopResultBuilder]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,861 INFO L857 garLoopResultBuilder]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,862 INFO L857 garLoopResultBuilder]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2021-10-13 00:44:55,862 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2021-10-13 00:44:55,870 INFO L860 garLoopResultBuilder]: At program point L541-1(lines 541 548) the Hoare annotation is: true [2021-10-13 00:44:55,871 INFO L853 garLoopResultBuilder]: At program point L708(lines 708 714) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,871 INFO L853 garLoopResultBuilder]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2021-10-13 00:44:55,871 INFO L853 garLoopResultBuilder]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2021-10-13 00:44:55,872 INFO L853 garLoopResultBuilder]: At program point L643(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,872 INFO L853 garLoopResultBuilder]: At program point L643-1(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,872 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-10-13 00:44:55,872 INFO L853 garLoopResultBuilder]: At program point L643-2(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,873 INFO L853 garLoopResultBuilder]: At program point L643-3(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,873 INFO L853 garLoopResultBuilder]: At program point L643-4(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,873 INFO L853 garLoopResultBuilder]: At program point L643-5(lines 638 646) the Hoare annotation is: false [2021-10-13 00:44:55,873 INFO L853 garLoopResultBuilder]: At program point L513(lines 509 515) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,874 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,874 INFO L853 garLoopResultBuilder]: At program point L812(lines 807 815) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,874 INFO L853 garLoopResultBuilder]: At program point L812-1(lines 807 815) the Hoare annotation is: false [2021-10-13 00:44:55,875 INFO L853 garLoopResultBuilder]: At program point L812-2(lines 807 815) the Hoare annotation is: false [2021-10-13 00:44:55,875 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:44:55,875 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 923) no Hoare annotation was computed. [2021-10-13 00:44:55,875 INFO L853 garLoopResultBuilder]: At program point L417(lines 412 419) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,876 INFO L860 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2021-10-13 00:44:55,876 INFO L857 garLoopResultBuilder]: For program point L883(lines 882 927) no Hoare annotation was computed. [2021-10-13 00:44:55,876 INFO L857 garLoopResultBuilder]: For program point L652(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,876 INFO L857 garLoopResultBuilder]: For program point L652-1(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,877 INFO L857 garLoopResultBuilder]: For program point L652-2(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,877 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:44:55,877 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-13 00:44:55,877 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-13 00:44:55,878 INFO L857 garLoopResultBuilder]: For program point L918-2(lines 701 707) no Hoare annotation was computed. [2021-10-13 00:44:55,878 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,878 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 593) no Hoare annotation was computed. [2021-10-13 00:44:55,878 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:44:55,879 INFO L857 garLoopResultBuilder]: For program point L428(lines 428 445) no Hoare annotation was computed. [2021-10-13 00:44:55,879 INFO L853 garLoopResultBuilder]: At program point L428-1(lines 1 935) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,879 INFO L857 garLoopResultBuilder]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2021-10-13 00:44:55,879 INFO L853 garLoopResultBuilder]: At program point L428-3(lines 1 935) the Hoare annotation is: false [2021-10-13 00:44:55,880 INFO L857 garLoopResultBuilder]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2021-10-13 00:44:55,880 INFO L853 garLoopResultBuilder]: At program point L428-5(lines 1 935) the Hoare annotation is: false [2021-10-13 00:44:55,880 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:44:55,881 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2021-10-13 00:44:55,881 INFO L857 garLoopResultBuilder]: For program point L759(lines 759 776) no Hoare annotation was computed. [2021-10-13 00:44:55,881 INFO L857 garLoopResultBuilder]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2021-10-13 00:44:55,881 INFO L857 garLoopResultBuilder]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2021-10-13 00:44:55,882 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 462 476) the Hoare annotation is: false [2021-10-13 00:44:55,882 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2021-10-13 00:44:55,882 INFO L853 garLoopResultBuilder]: At program point L892-1(lines 892 898) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:55,882 INFO L857 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2021-10-13 00:44:55,888 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:44:55,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:44:55 BoogieIcfgContainer [2021-10-13 00:44:55,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:44:55,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:44:55,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:44:55,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:44:55,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:53" (3/4) ... [2021-10-13 00:44:55,938 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:44:55,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:44:55,975 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:44:55,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:44:55,978 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:44:55,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:44:55,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:44:55,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:44:56,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-10-13 00:44:56,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:44:56,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:44:56,140 INFO L168 Benchmark]: Toolchain (without parser) took 4768.19 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 55.2 MB in the beginning and 46.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 45.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,141 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:44:56,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.48 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 55.1 MB in the beginning and 93.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.19 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 90.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,143 INFO L168 Benchmark]: Boogie Preprocessor took 103.98 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 87.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,143 INFO L168 Benchmark]: RCFGBuilder took 1451.11 ms. Allocated memory is still 125.8 MB. Free memory was 87.5 MB in the beginning and 44.9 MB in the end (delta: 42.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,144 INFO L168 Benchmark]: TraceAbstraction took 2266.50 ms. Allocated memory is still 125.8 MB. Free memory was 44.1 MB in the beginning and 55.8 MB in the end (delta: -11.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:44:56,144 INFO L168 Benchmark]: Witness Printer took 206.37 ms. Allocated memory is still 125.8 MB. Free memory was 55.8 MB in the beginning and 46.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:56,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 60.1 MB in the beginning and 60.1 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.48 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 55.1 MB in the beginning and 93.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.19 ms. Allocated memory is still 125.8 MB. Free memory was 93.8 MB in the beginning and 90.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.98 ms. Allocated memory is still 125.8 MB. Free memory was 90.2 MB in the beginning and 87.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1451.11 ms. Allocated memory is still 125.8 MB. Free memory was 87.5 MB in the beginning and 44.9 MB in the end (delta: 42.6 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2266.50 ms. Allocated memory is still 125.8 MB. Free memory was 44.1 MB in the beginning and 55.8 MB in the end (delta: -11.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 206.37 ms. Allocated memory is still 125.8 MB. Free memory was 55.8 MB in the beginning and 46.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 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: 652]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 652]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 652]: 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2098.9ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 27.8ms, AutomataDifference: 456.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 423.5ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 429 SDtfs, 375 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 127.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 85.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 89.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 78 NumberOfFragments, 145 HoareAnnotationTreeSize, 43 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 185.1ms HoareSimplificationTime, 43 FomulaSimplificationsInter, 320 FormulaSimplificationTreeSizeReductionInter, 223.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.0ms SsaConstructionTime, 274.8ms SatisfiabilityAnalysisTime, 468.6ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 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: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:44:56,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89367802-7c7b-4040-95d8-572ff00780b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...