./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX --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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:09:20,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:09:20,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:09:20,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:09:20,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:09:20,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:09:20,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:09:20,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:09:20,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:09:20,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:09:20,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:09:20,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:09:20,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:09:20,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:09:20,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:09:20,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:09:20,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:09:20,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:09:20,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:09:20,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:09:20,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:09:20,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:09:20,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:09:20,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:09:20,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:09:20,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:09:20,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:09:20,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:09:20,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:09:20,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:09:20,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:09:20,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:09:20,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:09:20,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:09:20,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:09:20,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:09:20,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:09:20,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:09:20,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:09:20,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:09:20,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:09:20,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:09:20,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:09:20,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:09:20,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:09:20,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:09:20,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:09:20,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:09:20,614 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:09:20,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:09:20,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:09:20,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:09:20,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:09:20,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:09:20,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:09:20,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:09:20,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:09:20,618 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:09:20,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:09:20,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:09:20,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:09:20,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:09:20,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:09:20,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:09:20,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:20,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:09:20,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:09:20,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:09:20,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:09:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:09:20,622 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:09:20,624 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:09:20,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:09:20,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:09:20,625 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_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2021-11-09 09:09:20,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:21,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:21,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:21,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:21,013 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:21,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-11-09 09:09:21,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/data/b030481d5/ed4a1f27d63c4c9db219f00026a53000/FLAG974f1892b [2021-11-09 09:09:21,776 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:21,777 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2021-11-09 09:09:21,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/data/b030481d5/ed4a1f27d63c4c9db219f00026a53000/FLAG974f1892b [2021-11-09 09:09:22,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/data/b030481d5/ed4a1f27d63c4c9db219f00026a53000 [2021-11-09 09:09:22,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:22,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:09:22,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:22,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:22,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:22,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3155107d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22, skipping insertion in model container [2021-11-09 09:09:22,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:22,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:22,590 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_00c40ce2-95e1-46f8-81af-4797acd83110/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2021-11-09 09:09:22,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:22,693 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:09:22,774 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_00c40ce2-95e1-46f8-81af-4797acd83110/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2021-11-09 09:09:22,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:22,818 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:09:22,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22 WrapperNode [2021-11-09 09:09:22,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:22,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:22,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:09:22,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:09:22,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:22,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:09:22,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:09:22,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:09:22,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:22,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:23,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:23,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:23,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:23,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:09:23,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:09:23,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:09:23,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:09:23,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (1/1) ... [2021-11-09 09:09:23,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:23,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:09:23,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:09:23,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:09:23,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:09:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:09:23,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:09:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:09:24,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:09:24,296 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-11-09 09:09:24,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:24 BoogieIcfgContainer [2021-11-09 09:09:24,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:09:24,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:09:24,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:09:24,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:09:24,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:09:22" (1/3) ... [2021-11-09 09:09:24,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba444f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:24, skipping insertion in model container [2021-11-09 09:09:24,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:22" (2/3) ... [2021-11-09 09:09:24,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba444f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:09:24, skipping insertion in model container [2021-11-09 09:09:24,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:24" (3/3) ... [2021-11-09 09:09:24,315 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2021-11-09 09:09:24,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:09:24,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-09 09:09:24,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:09:24,413 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:09:24,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-09 09:09:24,434 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-09 09:09:24,442 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:24,442 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:09:24,443 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:09:24,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:24,450 INFO L85 PathProgramCache]: Analyzing trace with hash 280793572, now seen corresponding path program 1 times [2021-11-09 09:09:24,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:24,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460651680] [2021-11-09 09:09:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:24,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:24,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:24,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460651680] [2021-11-09 09:09:24,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460651680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:24,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:24,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:09:24,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331831645] [2021-11-09 09:09:24,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 09:09:24,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:24,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:09:24,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:09:24,830 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 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) [2021-11-09 09:09:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:24,881 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-11-09 09:09:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:09:24,882 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 [2021-11-09 09:09:24,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:24,891 INFO L225 Difference]: With dead ends: 215 [2021-11-09 09:09:24,891 INFO L226 Difference]: Without dead ends: 107 [2021-11-09 09:09:24,894 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 [2021-11-09 09:09:24,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-09 09:09:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-09 09:09:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4807692307692308) internal successors, (154), 106 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2021-11-09 09:09:24,936 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2021-11-09 09:09:24,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:24,937 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2021-11-09 09:09:24,937 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) [2021-11-09 09:09:24,937 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-11-09 09:09:24,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-09 09:09:24,939 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:24,939 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:09:24,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:09:24,940 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:09:24,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 61957603, now seen corresponding path program 1 times [2021-11-09 09:09:24,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:24,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300955337] [2021-11-09 09:09:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:24,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:25,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:25,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300955337] [2021-11-09 09:09:25,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300955337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:25,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:25,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:09:25,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620211613] [2021-11-09 09:09:25,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:09:25,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:25,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:09:25,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:09:25,117 INFO L87 Difference]: Start difference. First operand 107 states and 154 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) [2021-11-09 09:09:25,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:25,136 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2021-11-09 09:09:25,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:09:25,137 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 [2021-11-09 09:09:25,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:25,139 INFO L225 Difference]: With dead ends: 107 [2021-11-09 09:09:25,141 INFO L226 Difference]: Without dead ends: 47 [2021-11-09 09:09:25,142 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 [2021-11-09 09:09:25,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-09 09:09:25,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-09 09:09:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-11-09 09:09:25,154 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-11-09 09:09:25,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:25,155 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-11-09 09:09:25,155 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) [2021-11-09 09:09:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-11-09 09:09:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-09 09:09:25,158 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:25,159 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, 1] [2021-11-09 09:09:25,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:09:25,161 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:09:25,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:25,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1244835391, now seen corresponding path program 1 times [2021-11-09 09:09:25,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:25,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805210767] [2021-11-09 09:09:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:25,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:25,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:25,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805210767] [2021-11-09 09:09:25,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805210767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:25,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:25,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:09:25,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107626589] [2021-11-09 09:09:25,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:09:25,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:25,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:09:25,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:09:25,270 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:25,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:25,512 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-11-09 09:09:25,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:09:25,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-09 09:09:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:25,515 INFO L225 Difference]: With dead ends: 151 [2021-11-09 09:09:25,515 INFO L226 Difference]: Without dead ends: 111 [2021-11-09 09:09:25,516 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:09:25,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-09 09:09:25,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 67. [2021-11-09 09:09:25,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4848484848484849) internal successors, (98), 66 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 98 transitions. [2021-11-09 09:09:25,527 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 98 transitions. Word has length 24 [2021-11-09 09:09:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:25,527 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 98 transitions. [2021-11-09 09:09:25,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 98 transitions. [2021-11-09 09:09:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-09 09:09:25,529 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:25,529 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, 1, 1, 1] [2021-11-09 09:09:25,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:09:25,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:09:25,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:25,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1177918449, now seen corresponding path program 1 times [2021-11-09 09:09:25,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:25,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740752495] [2021-11-09 09:09:25,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:25,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:25,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:25,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740752495] [2021-11-09 09:09:25,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740752495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:25,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:25,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:09:25,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792306012] [2021-11-09 09:09:25,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:09:25,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:25,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:09:25,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:09:25,633 INFO L87 Difference]: Start difference. First operand 67 states and 98 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) [2021-11-09 09:09:25,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:25,760 INFO L93 Difference]: Finished difference Result 314 states and 480 transitions. [2021-11-09 09:09:25,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:09:25,761 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 [2021-11-09 09:09:25,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:25,767 INFO L225 Difference]: With dead ends: 314 [2021-11-09 09:09:25,768 INFO L226 Difference]: Without dead ends: 254 [2021-11-09 09:09:25,773 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 [2021-11-09 09:09:25,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-09 09:09:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 119. [2021-11-09 09:09:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.4745762711864407) internal successors, (174), 118 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-11-09 09:09:25,821 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 26 [2021-11-09 09:09:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:25,821 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-11-09 09:09:25,822 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) [2021-11-09 09:09:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-11-09 09:09:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-09 09:09:25,829 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:09:25,830 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, 1, 1, 1, 1] [2021-11-09 09:09:25,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:09:25,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:09:25,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:09:25,832 INFO L85 PathProgramCache]: Analyzing trace with hash 161824377, now seen corresponding path program 1 times [2021-11-09 09:09:25,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:09:25,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482030767] [2021-11-09 09:09:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:09:25,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:09:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:09:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:09:25,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:09:25,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482030767] [2021-11-09 09:09:25,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482030767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:09:25,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:09:25,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:09:25,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425480723] [2021-11-09 09:09:25,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:09:25,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:09:25,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:09:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:09:25,929 INFO L87 Difference]: Start difference. First operand 119 states and 174 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) [2021-11-09 09:09:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:09:26,005 INFO L93 Difference]: Finished difference Result 315 states and 472 transitions. [2021-11-09 09:09:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:09:26,006 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 [2021-11-09 09:09:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:09:26,007 INFO L225 Difference]: With dead ends: 315 [2021-11-09 09:09:26,007 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 09:09:26,009 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 [2021-11-09 09:09:26,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 09:09:26,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 09:09:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:09:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:09:26,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-11-09 09:09:26,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:09:26,011 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:09:26,011 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) [2021-11-09 09:09:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:09:26,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 09:09:26,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:09:26,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:09:26,016 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:09:26,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:09:26,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 09:09:26,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:09:26,309 INFO L853 garLoopResultBuilder]: At program point L861(lines 856 864) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-09 09:09:26,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,309 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 179) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L169-2(lines 169 179) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L169-4(lines 169 179) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L170-4(lines 170 176) no Hoare annotation was computed. [2021-11-09 09:09:26,310 INFO L857 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2021-11-09 09:09:26,311 INFO L857 garLoopResultBuilder]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2021-11-09 09:09:26,311 INFO L857 garLoopResultBuilder]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2021-11-09 09:09:26,311 INFO L853 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,311 INFO L853 garLoopResultBuilder]: At program point L141-1(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,311 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-09 09:09:26,312 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,312 INFO L853 garLoopResultBuilder]: At program point L141-3(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,312 INFO L853 garLoopResultBuilder]: At program point L141-4(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,312 INFO L853 garLoopResultBuilder]: At program point L141-5(lines 136 144) the Hoare annotation is: false [2021-11-09 09:09:26,312 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,312 INFO L857 garLoopResultBuilder]: For program point L802-2(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-3(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-5(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-6(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-8(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-9(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,313 INFO L857 garLoopResultBuilder]: For program point L802-11(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point L802-12(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point L802-14(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point L802-15(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point L802-17(lines 802 806) no Hoare annotation was computed. [2021-11-09 09:09:26,314 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L674-1(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,315 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,316 INFO L857 garLoopResultBuilder]: For program point L674-3(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,316 INFO L857 garLoopResultBuilder]: For program point L674-4(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,316 INFO L857 garLoopResultBuilder]: For program point L674-5(lines 674 691) no Hoare annotation was computed. [2021-11-09 09:09:26,316 INFO L853 garLoopResultBuilder]: At program point L642(lines 641 660) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,316 INFO L857 garLoopResultBuilder]: For program point L642-1(lines 642 648) no Hoare annotation was computed. [2021-11-09 09:09:26,317 INFO L857 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2021-11-09 09:09:26,317 INFO L853 garLoopResultBuilder]: At program point L642-2(lines 641 660) the Hoare annotation is: false [2021-11-09 09:09:26,317 INFO L853 garLoopResultBuilder]: At program point L642-3(lines 641 660) the Hoare annotation is: false [2021-11-09 09:09:26,317 INFO L853 garLoopResultBuilder]: At program point L808(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,317 INFO L853 garLoopResultBuilder]: At program point L808-1(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,317 INFO L853 garLoopResultBuilder]: At program point L808-2(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,318 INFO L853 garLoopResultBuilder]: At program point L808-3(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,318 INFO L853 garLoopResultBuilder]: At program point L808-4(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,318 INFO L853 garLoopResultBuilder]: At program point L808-5(lines 793 811) the Hoare annotation is: false [2021-11-09 09:09:26,318 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-11-09 09:09:26,318 INFO L857 garLoopResultBuilder]: For program point L611(lines 611 617) no Hoare annotation was computed. [2021-11-09 09:09:26,318 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 642 648) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,319 INFO L853 garLoopResultBuilder]: At program point L744(lines 737 747) the Hoare annotation is: false [2021-11-09 09:09:26,319 INFO L853 garLoopResultBuilder]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2021-11-09 09:09:26,319 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,319 INFO L853 garLoopResultBuilder]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2021-11-09 09:09:26,319 INFO L857 garLoopResultBuilder]: For program point L678-1(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,319 INFO L857 garLoopResultBuilder]: For program point L678-2(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point L678-3(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point L678-4(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point L678-5(lines 678 686) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L853 garLoopResultBuilder]: At program point L877-2(lines 877 891) the Hoare annotation is: false [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 09:09:26,320 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-11-09 09:09:26,321 INFO L853 garLoopResultBuilder]: At program point L649(lines 649 655) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,321 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2021-11-09 09:09:26,321 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2021-11-09 09:09:26,321 INFO L853 garLoopResultBuilder]: At program point L154(lines 149 156) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-11-09 09:09:26,321 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-11-09 09:09:26,321 INFO L857 garLoopResultBuilder]: For program point L881-1(lines 642 648) no Hoare annotation was computed. [2021-11-09 09:09:26,322 INFO L857 garLoopResultBuilder]: For program point L816(lines 816 822) no Hoare annotation was computed. [2021-11-09 09:09:26,322 INFO L853 garLoopResultBuilder]: At program point L816-1(lines 816 822) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,322 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-11-09 09:09:26,322 INFO L853 garLoopResultBuilder]: At program point L585-1(lines 585 591) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,322 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 956) no Hoare annotation was computed. [2021-11-09 09:09:26,322 INFO L860 garLoopResultBuilder]: At program point L949-1(lines 949 956) the Hoare annotation is: true [2021-11-09 09:09:26,323 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 09:09:26,323 INFO L853 garLoopResultBuilder]: At program point L753(lines 748 756) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-11-09 09:09:26,323 INFO L853 garLoopResultBuilder]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2021-11-09 09:09:26,323 INFO L853 garLoopResultBuilder]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2021-11-09 09:09:26,323 INFO L853 garLoopResultBuilder]: At program point L853(lines 1 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-09 09:09:26,323 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 09:09:26,323 INFO L853 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L557-2(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-11-09 09:09:26,324 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 09:09:26,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2021-11-09 09:09:26,325 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 182) no Hoare annotation was computed. [2021-11-09 09:09:26,325 INFO L853 garLoopResultBuilder]: At program point L165-1(lines 1 961) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,325 INFO L857 garLoopResultBuilder]: For program point L165-2(lines 165 182) no Hoare annotation was computed. [2021-11-09 09:09:26,325 INFO L853 garLoopResultBuilder]: At program point L165-3(lines 1 961) the Hoare annotation is: false [2021-11-09 09:09:26,325 INFO L857 garLoopResultBuilder]: For program point L165-4(lines 165 182) no Hoare annotation was computed. [2021-11-09 09:09:26,326 INFO L853 garLoopResultBuilder]: At program point L165-5(lines 1 961) the Hoare annotation is: false [2021-11-09 09:09:26,326 INFO L860 garLoopResultBuilder]: At program point L958(lines 939 961) the Hoare annotation is: true [2021-11-09 09:09:26,326 INFO L853 garLoopResultBuilder]: At program point L925(lines 921 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-11-09 09:09:26,326 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-11-09 09:09:26,326 INFO L853 garLoopResultBuilder]: At program point L595-1(lines 595 601) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,326 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: false [2021-11-09 09:09:26,327 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-11-09 09:09:26,327 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-11-09 09:09:26,327 INFO L853 garLoopResultBuilder]: At program point L100-3(lines 95 103) the Hoare annotation is: false [2021-11-09 09:09:26,327 INFO L853 garLoopResultBuilder]: At program point L100-4(lines 95 103) the Hoare annotation is: false [2021-11-09 09:09:26,327 INFO L853 garLoopResultBuilder]: At program point L100-5(lines 95 103) the Hoare annotation is: false [2021-11-09 09:09:26,330 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-09 09:09:26,332 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:09:26,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:09:26 BoogieIcfgContainer [2021-11-09 09:09:26,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:09:26,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:09:26,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:09:26,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:09:26,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:09:24" (3/4) ... [2021-11-09 09:09:26,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:09:26,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-09 09:09:26,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-09 09:09:26,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-09 09:09:26,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-09 09:09:26,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-09 09:09:26,376 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:09:26,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:09:26,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-11-09 09:09:26,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-11-09 09:09:26,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-11-09 09:09:26,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-11-09 09:09:26,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:09:26,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:09:26,471 INFO L168 Benchmark]: Toolchain (without parser) took 4435.14 ms. Allocated memory was 77.6 MB in the beginning and 119.5 MB in the end (delta: 41.9 MB). Free memory was 40.7 MB in the beginning and 68.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,471 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 57.6 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:09:26,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.88 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 66.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.41 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 62.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,473 INFO L168 Benchmark]: Boogie Preprocessor took 117.19 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 59.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,473 INFO L168 Benchmark]: RCFGBuilder took 1245.75 ms. Allocated memory is still 98.6 MB. Free memory was 59.9 MB in the beginning and 51.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,473 INFO L168 Benchmark]: TraceAbstraction took 2047.37 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 50.6 MB in the beginning and 77.8 MB in the end (delta: -27.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,474 INFO L168 Benchmark]: Witness Printer took 118.90 ms. Allocated memory is still 119.5 MB. Free memory was 77.8 MB in the beginning and 68.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:09:26,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 57.6 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 774.88 ms. Allocated memory was 77.6 MB in the beginning and 98.6 MB in the end (delta: 21.0 MB). Free memory was 40.4 MB in the beginning and 66.2 MB in the end (delta: -25.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.41 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 62.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 117.19 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 59.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1245.75 ms. Allocated memory is still 98.6 MB. Free memory was 59.9 MB in the beginning and 51.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2047.37 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 50.6 MB in the beginning and 77.8 MB in the end (delta: -27.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * Witness Printer took 118.90 ms. Allocated memory is still 119.5 MB. Free memory was 77.8 MB in the beginning and 68.3 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, 0.0s 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: 557]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 557]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 557]: 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, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 449 SDtfs, 598 SDslu, 702 SDs, 0 SdLazy, 86 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 153 HoareAnnotationTreeSize, 45 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 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: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-09 09:09:26,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00c40ce2-95e1-46f8-81af-4797acd83110/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE