./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg --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 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:45:45,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:45:45,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:45:45,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:45:45,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:45:45,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:45:45,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:45:45,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:45:45,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:45:45,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:45:45,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:45:45,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:45:45,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:45:45,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:45:45,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:45:45,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:45:45,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:45:45,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:45:45,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:45:45,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:45:45,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:45:45,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:45:45,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:45:45,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:45:45,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:45:45,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:45:45,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:45:45,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:45:45,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:45:45,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:45:45,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:45:45,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:45:45,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:45:45,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:45:45,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:45:45,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:45:45,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:45:45,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:45:45,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:45:45,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:45:45,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:45:45,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:45:45,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:45:45,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:45:45,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:45:45,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:45:45,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:45:45,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:45:45,741 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:45:45,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:45:45,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:45:45,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:45:45,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:45:45,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:45:45,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:45:45,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:45:45,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:45:45,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:45:45,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:45:45,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:45:45,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:45:45,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:45:45,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:45:45,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:45:45,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:45:45,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:45:45,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:45:45,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:45:45,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:45:45,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:45:45,749 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:45:45,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:45:45,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:45:45,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:45:45,750 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_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2021-10-28 08:45:46,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:45:46,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:45:46,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:45:46,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:45:46,179 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:45:46,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-28 08:45:46,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/data/e3cdff4df/645e3fbbc1fd449e94b7a44c6c930817/FLAG4dcc3cd30 [2021-10-28 08:45:46,985 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:45:46,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2021-10-28 08:45:47,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/data/e3cdff4df/645e3fbbc1fd449e94b7a44c6c930817/FLAG4dcc3cd30 [2021-10-28 08:45:47,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/data/e3cdff4df/645e3fbbc1fd449e94b7a44c6c930817 [2021-10-28 08:45:47,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:45:47,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:45:47,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:45:47,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:45:47,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:45:47,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:47,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e566efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47, skipping insertion in model container [2021-10-28 08:45:47,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:47,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:45:47,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:45:47,599 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_1326001f-c221-497b-9adf-61c32bc02af9/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-28 08:45:47,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:45:47,787 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:45:47,828 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_1326001f-c221-497b-9adf-61c32bc02af9/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c[1605,1618] [2021-10-28 08:45:47,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:45:47,982 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:45:47,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47 WrapperNode [2021-10-28 08:45:47,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:45:47,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:45:47,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:45:47,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:45:47,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:45:48,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:45:48,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:45:48,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:45:48,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:45:48,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:45:48,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:45:48,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:45:48,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (1/1) ... [2021-10-28 08:45:48,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:45:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:48,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:45:48,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:45:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:45:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:45:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:45:48,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:45:49,427 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:45:49,434 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 08:45:49,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:49 BoogieIcfgContainer [2021-10-28 08:45:49,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:45:49,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:45:49,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:45:49,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:45:49,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:45:47" (1/3) ... [2021-10-28 08:45:49,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39b78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:45:49, skipping insertion in model container [2021-10-28 08:45:49,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:47" (2/3) ... [2021-10-28 08:45:49,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39b78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:45:49, skipping insertion in model container [2021-10-28 08:45:49,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:49" (3/3) ... [2021-10-28 08:45:49,453 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-10-28 08:45:49,464 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:45:49,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:45:49,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:45:49,546 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 08:45:49,546 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:45:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 08:45:49,575 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:49,576 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:49,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-28 08:45:49,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:49,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474776659] [2021-10-28 08:45:49,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:49,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:45:49,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:49,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474776659] [2021-10-28 08:45:49,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474776659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:49,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:49,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:49,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656606989] [2021-10-28 08:45:49,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:45:49,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:49,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:45:49,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:45:49,948 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-28 08:45:49,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:49,975 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-28 08:45:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:45:49,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-28 08:45:49,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:49,988 INFO L225 Difference]: With dead ends: 108 [2021-10-28 08:45:49,988 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 08:45:49,992 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:45:50,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 08:45:50,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 08:45:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-28 08:45:50,050 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-28 08:45:50,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:50,051 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-28 08:45:50,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-28 08:45:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-28 08:45:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 08:45:50,053 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:50,053 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:50,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:45:50,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:50,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:50,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-28 08:45:50,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:50,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25320410] [2021-10-28 08:45:50,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:50,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:45:50,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:50,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25320410] [2021-10-28 08:45:50,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25320410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:50,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:50,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:50,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453993671] [2021-10-28 08:45:50,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:50,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:50,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:50,191 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:50,208 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-28 08:45:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:50,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 08:45:50,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:50,210 INFO L225 Difference]: With dead ends: 53 [2021-10-28 08:45:50,210 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 08:45:50,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 08:45:50,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-28 08:45:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-10-28 08:45:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-28 08:45:50,217 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-28 08:45:50,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:50,217 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-28 08:45:50,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-28 08:45:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 08:45:50,219 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:50,219 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:50,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:45:50,220 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:50,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-28 08:45:50,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:50,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961464016] [2021-10-28 08:45:50,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:50,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:45:50,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:50,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961464016] [2021-10-28 08:45:50,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961464016] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:50,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:50,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:45:50,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133241490] [2021-10-28 08:45:50,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:45:50,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:45:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:45:50,413 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-28 08:45:50,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:50,502 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-28 08:45:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:45:50,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2021-10-28 08:45:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:50,505 INFO L225 Difference]: With dead ends: 109 [2021-10-28 08:45:50,505 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 08:45:50,506 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:45:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 08:45:50,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-28 08:45:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 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) [2021-10-28 08:45:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-28 08:45:50,520 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-28 08:45:50,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:50,521 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-28 08:45:50,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-28 08:45:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-28 08:45:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 08:45:50,523 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:50,523 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:45:50,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:45:50,524 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:45:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-10-28 08:45:50,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:50,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114454299] [2021-10-28 08:45:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:50,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:45:50,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:50,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114454299] [2021-10-28 08:45:50,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114454299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:50,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:50,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:45:50,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659120614] [2021-10-28 08:45:50,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:45:50,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:50,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:45:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:45:50,743 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-28 08:45:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:50,819 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-28 08:45:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:45:50,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-10-28 08:45:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:50,824 INFO L225 Difference]: With dead ends: 130 [2021-10-28 08:45:50,824 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:45:50,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:45:50,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:45:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:45:50,826 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) [2021-10-28 08:45:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:45:50,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 08:45:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:50,827 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:45:50,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-28 08:45:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:45:50,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:45:50,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:45:50,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:45:50,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:45:50,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:45:50,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:45:50,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:50,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:45:51,111 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,112 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-10-28 08:45:51,112 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 168 174) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,113 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:45:51,113 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 308) no Hoare annotation was computed. [2021-10-28 08:45:51,113 INFO L860 garLoopResultBuilder]: At program point L301-1(lines 301 308) the Hoare annotation is: true [2021-10-28 08:45:51,114 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 836) no Hoare annotation was computed. [2021-10-28 08:45:51,115 INFO L857 garLoopResultBuilder]: For program point L830-2(lines 830 836) no Hoare annotation was computed. [2021-10-28 08:45:51,115 INFO L857 garLoopResultBuilder]: For program point L830-4(lines 830 836) no Hoare annotation was computed. [2021-10-28 08:45:51,116 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,116 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,116 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,116 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2021-10-28 08:45:51,117 INFO L857 garLoopResultBuilder]: For program point L71-3(lines 71 75) no Hoare annotation was computed. [2021-10-28 08:45:51,118 INFO L857 garLoopResultBuilder]: For program point L71-6(lines 71 75) no Hoare annotation was computed. [2021-10-28 08:45:51,118 INFO L853 garLoopResultBuilder]: At program point L699(lines 699 705) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,118 INFO L853 garLoopResultBuilder]: At program point L699-1(lines 699 705) the Hoare annotation is: false [2021-10-28 08:45:51,118 INFO L853 garLoopResultBuilder]: At program point L699-2(lines 699 705) the Hoare annotation is: false [2021-10-28 08:45:51,119 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 201) no Hoare annotation was computed. [2021-10-28 08:45:51,119 INFO L853 garLoopResultBuilder]: At program point L866(lines 1 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 08:45:51,119 INFO L853 garLoopResultBuilder]: At program point L206(lines 157 207) the Hoare annotation is: false [2021-10-28 08:45:51,119 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:45:51,119 INFO L853 garLoopResultBuilder]: At program point L108(lines 103 111) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,119 INFO L853 garLoopResultBuilder]: At program point L108-1(lines 103 111) the Hoare annotation is: false [2021-10-28 08:45:51,120 INFO L853 garLoopResultBuilder]: At program point L108-2(lines 103 111) the Hoare annotation is: false [2021-10-28 08:45:51,120 INFO L853 garLoopResultBuilder]: At program point L769(lines 764 772) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 08:45:51,120 INFO L853 garLoopResultBuilder]: At program point L769-1(lines 764 772) the Hoare annotation is: false [2021-10-28 08:45:51,120 INFO L853 garLoopResultBuilder]: At program point L769-2(lines 764 772) the Hoare annotation is: false [2021-10-28 08:45:51,121 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,121 INFO L857 garLoopResultBuilder]: For program point L159(lines 158 205) no Hoare annotation was computed. [2021-10-28 08:45:51,121 INFO L853 garLoopResultBuilder]: At program point L275(lines 271 277) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 08:45:51,121 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 164) no Hoare annotation was computed. [2021-10-28 08:45:51,121 INFO L853 garLoopResultBuilder]: At program point L226-2(lines 226 240) the Hoare annotation is: false [2021-10-28 08:45:51,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:45:51,122 INFO L857 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2021-10-28 08:45:51,122 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-28 08:45:51,122 INFO L860 garLoopResultBuilder]: At program point L310(lines 291 313) the Hoare annotation is: true [2021-10-28 08:45:51,123 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 184) no Hoare annotation was computed. [2021-10-28 08:45:51,123 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 178 184) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,123 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 200) no Hoare annotation was computed. [2021-10-28 08:45:51,123 INFO L853 garLoopResultBuilder]: At program point L196-2(lines 692 698) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,124 INFO L853 garLoopResultBuilder]: At program point L692(lines 691 710) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,124 INFO L857 garLoopResultBuilder]: For program point L692-1(lines 692 698) no Hoare annotation was computed. [2021-10-28 08:45:51,124 INFO L853 garLoopResultBuilder]: At program point L692-2(lines 691 710) the Hoare annotation is: false [2021-10-28 08:45:51,124 INFO L853 garLoopResultBuilder]: At program point L692-3(lines 691 710) the Hoare annotation is: false [2021-10-28 08:45:51,124 INFO L853 garLoopResultBuilder]: At program point L874(lines 869 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 08:45:51,125 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 234) no Hoare annotation was computed. [2021-10-28 08:45:51,125 INFO L857 garLoopResultBuilder]: For program point L230-1(lines 692 698) no Hoare annotation was computed. [2021-10-28 08:45:51,125 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:45:51,125 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 08:45:51,125 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 839) no Hoare annotation was computed. [2021-10-28 08:45:51,126 INFO L853 garLoopResultBuilder]: At program point L826-1(lines 1 877) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 08:45:51,126 INFO L857 garLoopResultBuilder]: For program point L826-2(lines 826 839) no Hoare annotation was computed. [2021-10-28 08:45:51,126 INFO L853 garLoopResultBuilder]: At program point L826-3(lines 1 877) the Hoare annotation is: false [2021-10-28 08:45:51,126 INFO L857 garLoopResultBuilder]: For program point L826-4(lines 826 839) no Hoare annotation was computed. [2021-10-28 08:45:51,126 INFO L853 garLoopResultBuilder]: At program point L826-5(lines 1 877) the Hoare annotation is: false [2021-10-28 08:45:51,127 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 87) no Hoare annotation was computed. [2021-10-28 08:45:51,131 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 08:45:51,137 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:45:51,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:45:51 BoogieIcfgContainer [2021-10-28 08:45:51,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:45:51,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:45:51,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:45:51,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:45:51,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:49" (3/4) ... [2021-10-28 08:45:51,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:45:51,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:45:51,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:45:51,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:45:51,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:45:51,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:45:51,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:45:51,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:45:51,255 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 08:45:51,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:45:51,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:45:51,330 INFO L168 Benchmark]: Toolchain (without parser) took 4051.99 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 62.6 MB in the beginning and 76.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,330 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 107.0 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:45:51,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 107.0 MB. Free memory was 62.4 MB in the beginning and 72.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.83 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 69.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,333 INFO L168 Benchmark]: Boogie Preprocessor took 43.14 ms. Allocated memory is still 107.0 MB. Free memory was 69.2 MB in the beginning and 67.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,333 INFO L168 Benchmark]: RCFGBuilder took 1279.42 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 67.3 MB in the beginning and 98.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,334 INFO L168 Benchmark]: TraceAbstraction took 1724.25 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 82.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,335 INFO L168 Benchmark]: Witness Printer took 159.42 ms. Allocated memory is still 130.0 MB. Free memory was 82.1 MB in the beginning and 76.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:45:51,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 107.0 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 107.0 MB. Free memory was 62.4 MB in the beginning and 72.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.83 ms. Allocated memory is still 107.0 MB. Free memory was 72.0 MB in the beginning and 69.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.14 ms. Allocated memory is still 107.0 MB. Free memory was 69.2 MB in the beginning and 67.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1279.42 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 67.3 MB in the beginning and 98.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1724.25 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 82.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Witness Printer took 159.42 ms. Allocated memory is still 130.0 MB. Free memory was 82.1 MB in the beginning and 76.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 691]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:45:51,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1326001f-c221-497b-9adf-61c32bc02af9/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...