./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:00:37,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:00:37,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:00:37,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:00:37,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:00:37,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:00:37,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:00:37,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:00:37,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:00:37,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:00:37,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:00:37,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:00:37,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:00:37,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:00:37,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:00:37,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:00:37,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:00:37,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:00:37,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:00:37,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:00:37,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:00:37,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:00:37,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:00:37,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:00:37,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:00:37,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:00:37,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:00:37,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:00:37,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:00:37,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:00:37,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:00:37,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:00:37,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:00:38,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:00:38,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:00:38,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:00:38,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:00:38,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:00:38,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:00:38,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:00:38,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:00:38,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:00:38,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:00:38,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:00:38,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:00:38,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:00:38,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:00:38,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:00:38,085 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:00:38,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:00:38,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:00:38,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:00:38,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:00:38,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:00:38,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:00:38,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:00:38,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:00:38,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:00:38,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:00:38,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:00:38,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:00:38,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:00:38,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:00:38,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:00:38,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:00:38,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:00:38,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:00:38,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:00:38,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:00:38,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:00:38,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:00:38,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:00:38,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:00:38,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:00:38,096 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_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2021-11-23 13:00:38,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:00:38,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:00:38,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:00:38,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:00:38,449 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:00:38,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-11-23 13:00:38,514 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/data/f3d8df349/700f8ff6d975448bb8ee19e4e8e2a6ef/FLAGcd58daf28 [2021-11-23 13:00:39,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:00:39,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2021-11-23 13:00:39,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/data/f3d8df349/700f8ff6d975448bb8ee19e4e8e2a6ef/FLAGcd58daf28 [2021-11-23 13:00:39,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/data/f3d8df349/700f8ff6d975448bb8ee19e4e8e2a6ef [2021-11-23 13:00:39,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:00:39,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:00:39,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:39,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:00:39,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:00:39,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:39" (1/1) ... [2021-11-23 13:00:39,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e49357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:39, skipping insertion in model container [2021-11-23 13:00:39,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:39" (1/1) ... [2021-11-23 13:00:39,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:00:39,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:00:39,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-11-23 13:00:39,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:39,947 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:00:40,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2021-11-23 13:00:40,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:40,082 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:00:40,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40 WrapperNode [2021-11-23 13:00:40,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:40,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:40,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:00:40,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:00:40,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,202 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 51, statements flattened = 402 [2021-11-23 13:00:40,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:40,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:00:40,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:00:40,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:00:40,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:00:40,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:00:40,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:00:40,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:00:40,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (1/1) ... [2021-11-23 13:00:40,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:00:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:40,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:40,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:00:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:00:40,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:00:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:00:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:00:40,508 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:00:40,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:00:41,098 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:00:41,110 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:00:41,110 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 13:00:41,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:41 BoogieIcfgContainer [2021-11-23 13:00:41,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:00:41,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:00:41,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:00:41,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:00:41,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:00:39" (1/3) ... [2021-11-23 13:00:41,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1289f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:41, skipping insertion in model container [2021-11-23 13:00:41,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:40" (2/3) ... [2021-11-23 13:00:41,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1289f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:00:41, skipping insertion in model container [2021-11-23 13:00:41,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:41" (3/3) ... [2021-11-23 13:00:41,126 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2021-11-23 13:00:41,133 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:00:41,134 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 13:00:41,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:00:41,215 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 [2021-11-23 13:00:41,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 13:00:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 107 states have internal predecessors, (145), 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) [2021-11-23 13:00:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 13:00:41,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:41,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:00:41,259 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:00:41,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:41,267 INFO L85 PathProgramCache]: Analyzing trace with hash 580854258, now seen corresponding path program 1 times [2021-11-23 13:00:41,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:41,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436940811] [2021-11-23 13:00:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:41,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:41,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:00:41,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436940811] [2021-11-23 13:00:41,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436940811] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:41,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:41,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:00:41,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368575435] [2021-11-23 13:00:41,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:41,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:00:41,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:00:41,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:00:41,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:00:41,631 INFO L87 Difference]: Start difference. First operand has 108 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 107 states have internal predecessors, (145), 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 9.5) internal successors, (19), 2 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) [2021-11-23 13:00:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:41,709 INFO L93 Difference]: Finished difference Result 205 states and 278 transitions. [2021-11-23 13:00:41,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:00:41,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 [2021-11-23 13:00:41,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:41,727 INFO L225 Difference]: With dead ends: 205 [2021-11-23 13:00:41,728 INFO L226 Difference]: Without dead ends: 98 [2021-11-23 13:00:41,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:00:41,746 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:41,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:00:41,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-23 13:00:41,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-23 13:00:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 97 states have internal predecessors, (127), 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) [2021-11-23 13:00:41,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 127 transitions. [2021-11-23 13:00:41,830 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 127 transitions. Word has length 19 [2021-11-23 13:00:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:41,830 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 127 transitions. [2021-11-23 13:00:41,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-11-23 13:00:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2021-11-23 13:00:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 13:00:41,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:41,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:00:41,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:00:41,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:00:41,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:41,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1065266215, now seen corresponding path program 1 times [2021-11-23 13:00:41,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:41,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631677035] [2021-11-23 13:00:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:41,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:41,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:00:41,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631677035] [2021-11-23 13:00:41,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631677035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:41,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:41,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:00:41,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456454207] [2021-11-23 13:00:41,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:41,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:00:41,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:00:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:00:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:00:42,001 INFO L87 Difference]: Start difference. First operand 98 states and 127 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 13:00:42,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:42,016 INFO L93 Difference]: Finished difference Result 98 states and 127 transitions. [2021-11-23 13:00:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:00:42,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-23 13:00:42,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:42,019 INFO L225 Difference]: With dead ends: 98 [2021-11-23 13:00:42,019 INFO L226 Difference]: Without dead ends: 49 [2021-11-23 13:00:42,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:00:42,022 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 54 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:42,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:00:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-23 13:00:42,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-23 13:00:42,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2021-11-23 13:00:42,033 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 63 transitions. Word has length 20 [2021-11-23 13:00:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:42,033 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 63 transitions. [2021-11-23 13:00:42,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 13:00:42,034 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-11-23 13:00:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 13:00:42,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:42,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:00:42,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:00:42,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:00:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1026407057, now seen corresponding path program 1 times [2021-11-23 13:00:42,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:42,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624537846] [2021-11-23 13:00:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:42,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:42,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:00:42,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624537846] [2021-11-23 13:00:42,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624537846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:42,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:42,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:00:42,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145638344] [2021-11-23 13:00:42,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:42,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:00:42,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:00:42,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:00:42,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:00:42,147 INFO L87 Difference]: Start difference. First operand 49 states and 63 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2021-11-23 13:00:42,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:42,208 INFO L93 Difference]: Finished difference Result 129 states and 171 transitions. [2021-11-23 13:00:42,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:00:42,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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 [2021-11-23 13:00:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:42,214 INFO L225 Difference]: With dead ends: 129 [2021-11-23 13:00:42,215 INFO L226 Difference]: Without dead ends: 88 [2021-11-23 13:00:42,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:00:42,223 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 55 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:42,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:00:42,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-23 13:00:42,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2021-11-23 13:00:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3414634146341464) internal successors, (110), 82 states have internal predecessors, (110), 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) [2021-11-23 13:00:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 110 transitions. [2021-11-23 13:00:42,253 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 110 transitions. Word has length 27 [2021-11-23 13:00:42,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:42,254 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 110 transitions. [2021-11-23 13:00:42,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2021-11-23 13:00:42,255 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2021-11-23 13:00:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 13:00:42,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:42,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:00:42,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:00:42,259 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:00:42,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2146949137, now seen corresponding path program 1 times [2021-11-23 13:00:42,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:42,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533041172] [2021-11-23 13:00:42,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:42,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:42,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:00:42,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533041172] [2021-11-23 13:00:42,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533041172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:42,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:42,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:00:42,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802794338] [2021-11-23 13:00:42,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:42,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:00:42,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:00:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:00:42,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:00:42,436 INFO L87 Difference]: Start difference. First operand 83 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:42,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:42,623 INFO L93 Difference]: Finished difference Result 402 states and 544 transitions. [2021-11-23 13:00:42,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 13:00:42,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-23 13:00:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:42,632 INFO L225 Difference]: With dead ends: 402 [2021-11-23 13:00:42,633 INFO L226 Difference]: Without dead ends: 327 [2021-11-23 13:00:42,636 INFO L932 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 [2021-11-23 13:00:42,638 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 187 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:42,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 378 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:00:42,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2021-11-23 13:00:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 150. [2021-11-23 13:00:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 149 states have (on average 1.3221476510067114) internal successors, (197), 149 states have internal predecessors, (197), 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) [2021-11-23 13:00:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 197 transitions. [2021-11-23 13:00:42,715 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 197 transitions. Word has length 30 [2021-11-23 13:00:42,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:42,716 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 197 transitions. [2021-11-23 13:00:42,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:42,716 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2021-11-23 13:00:42,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 13:00:42,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:00:42,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:00:42,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:00:42,723 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:00:42,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:42,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1937423722, now seen corresponding path program 1 times [2021-11-23 13:00:42,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:42,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576566598] [2021-11-23 13:00:42,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:42,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:42,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:00:42,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576566598] [2021-11-23 13:00:42,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576566598] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:00:42,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:00:42,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:00:42,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782921843] [2021-11-23 13:00:42,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:00:42,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:00:42,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:00:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:00:42,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:00:42,857 INFO L87 Difference]: Start difference. First operand 150 states and 197 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-11-23 13:00:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:00:42,976 INFO L93 Difference]: Finished difference Result 436 states and 585 transitions. [2021-11-23 13:00:42,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:00:42,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-11-23 13:00:42,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:00:42,978 INFO L225 Difference]: With dead ends: 436 [2021-11-23 13:00:42,978 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:00:42,982 INFO L932 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 [2021-11-23 13:00:42,983 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 122 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:00:42,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 182 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:00:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:00:42,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:00:42,987 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) [2021-11-23 13:00:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:00:42,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-11-23 13:00:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:00:42,988 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:42,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-11-23 13:00:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:00:42,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:00:42,997 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 13:00:42,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 13:00:42,999 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 13:00:42,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:00:43,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:00:44,094 INFO L861 garLoopResultBuilder]: At program point L894(lines 829 896) the Hoare annotation is: true [2021-11-23 13:00:44,094 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,094 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 669) no Hoare annotation was computed. [2021-11-23 13:00:44,094 INFO L858 garLoopResultBuilder]: For program point L663-2(lines 662 681) no Hoare annotation was computed. [2021-11-23 13:00:44,095 INFO L858 garLoopResultBuilder]: For program point L663-3(lines 663 669) no Hoare annotation was computed. [2021-11-23 13:00:44,095 INFO L858 garLoopResultBuilder]: For program point L663-5(lines 662 681) no Hoare annotation was computed. [2021-11-23 13:00:44,095 INFO L858 garLoopResultBuilder]: For program point L663-6(lines 663 669) no Hoare annotation was computed. [2021-11-23 13:00:44,095 INFO L858 garLoopResultBuilder]: For program point L663-8(lines 662 681) no Hoare annotation was computed. [2021-11-23 13:00:44,095 INFO L854 garLoopResultBuilder]: At program point L746(lines 741 748) the Hoare annotation is: false [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L746-1(lines 741 748) the Hoare annotation is: false [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L680(lines 659 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L746-2(lines 741 748) the Hoare annotation is: false [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L680-1(lines 659 682) the Hoare annotation is: false [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L746-3(lines 741 748) the Hoare annotation is: false [2021-11-23 13:00:44,096 INFO L854 garLoopResultBuilder]: At program point L680-2(lines 659 682) the Hoare annotation is: false [2021-11-23 13:00:44,097 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:00:44,097 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-11-23 13:00:44,097 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2021-11-23 13:00:44,097 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-23 13:00:44,097 INFO L854 garLoopResultBuilder]: At program point L499-2(lines 495 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,098 INFO L854 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,098 INFO L854 garLoopResultBuilder]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2021-11-23 13:00:44,098 INFO L858 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2021-11-23 13:00:44,098 INFO L854 garLoopResultBuilder]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2021-11-23 13:00:44,098 INFO L858 garLoopResultBuilder]: For program point L699-3(lines 699 707) no Hoare annotation was computed. [2021-11-23 13:00:44,098 INFO L858 garLoopResultBuilder]: For program point L699-6(lines 699 707) no Hoare annotation was computed. [2021-11-23 13:00:44,099 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2021-11-23 13:00:44,099 INFO L854 garLoopResultBuilder]: At program point L915-1(lines 907 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,099 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-11-23 13:00:44,099 INFO L858 garLoopResultBuilder]: For program point L915-2(lines 915 932) no Hoare annotation was computed. [2021-11-23 13:00:44,099 INFO L854 garLoopResultBuilder]: At program point L915-3(lines 907 935) the Hoare annotation is: false [2021-11-23 13:00:44,100 INFO L858 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-11-23 13:00:44,100 INFO L858 garLoopResultBuilder]: For program point L915-4(lines 915 932) no Hoare annotation was computed. [2021-11-23 13:00:44,100 INFO L854 garLoopResultBuilder]: At program point L915-5(lines 907 935) the Hoare annotation is: false [2021-11-23 13:00:44,100 INFO L854 garLoopResultBuilder]: At program point L817(lines 805 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,100 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-11-23 13:00:44,100 INFO L854 garLoopResultBuilder]: At program point L487-2(lines 483 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:00:44,101 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-11-23 13:00:44,101 INFO L858 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2021-11-23 13:00:44,106 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:00:44,106 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-11-23 13:00:44,106 INFO L858 garLoopResultBuilder]: For program point L670-3(lines 670 676) no Hoare annotation was computed. [2021-11-23 13:00:44,107 INFO L858 garLoopResultBuilder]: For program point L670-5(lines 670 676) no Hoare annotation was computed. [2021-11-23 13:00:44,107 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,110 INFO L854 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: false [2021-11-23 13:00:44,111 INFO L854 garLoopResultBuilder]: At program point L687-1(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,111 INFO L854 garLoopResultBuilder]: At program point L687-2(lines 683 689) the Hoare annotation is: false [2021-11-23 13:00:44,111 INFO L854 garLoopResultBuilder]: At program point L687-3(lines 683 689) the Hoare annotation is: false [2021-11-23 13:00:44,112 INFO L854 garLoopResultBuilder]: At program point L687-4(lines 683 689) the Hoare annotation is: false [2021-11-23 13:00:44,112 INFO L854 garLoopResultBuilder]: At program point L687-5(lines 683 689) the Hoare annotation is: false [2021-11-23 13:00:44,112 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-11-23 13:00:44,112 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2021-11-23 13:00:44,114 INFO L858 garLoopResultBuilder]: For program point L919-2(lines 919 929) no Hoare annotation was computed. [2021-11-23 13:00:44,115 INFO L858 garLoopResultBuilder]: For program point L919-4(lines 919 929) no Hoare annotation was computed. [2021-11-23 13:00:44,115 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:00:44,115 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2021-11-23 13:00:44,116 INFO L858 garLoopResultBuilder]: For program point L920-3(lines 920 926) no Hoare annotation was computed. [2021-11-23 13:00:44,116 INFO L858 garLoopResultBuilder]: For program point L920-6(lines 920 926) no Hoare annotation was computed. [2021-11-23 13:00:44,116 INFO L861 garLoopResultBuilder]: At program point L623(lines 615 625) the Hoare annotation is: true [2021-11-23 13:00:44,117 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,117 INFO L858 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,117 INFO L854 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:00:44,117 INFO L858 garLoopResultBuilder]: For program point L458-2(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,118 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-11-23 13:00:44,118 INFO L854 garLoopResultBuilder]: At program point L475-2(lines 471 482) the Hoare annotation is: false [2021-11-23 13:00:44,118 INFO L858 garLoopResultBuilder]: For program point L475-3(lines 475 479) no Hoare annotation was computed. [2021-11-23 13:00:44,118 INFO L854 garLoopResultBuilder]: At program point L475-5(lines 471 482) the Hoare annotation is: false [2021-11-23 13:00:44,121 INFO L858 garLoopResultBuilder]: For program point L475-6(lines 475 479) no Hoare annotation was computed. [2021-11-23 13:00:44,121 INFO L854 garLoopResultBuilder]: At program point L756(lines 749 759) the Hoare annotation is: false [2021-11-23 13:00:44,121 INFO L854 garLoopResultBuilder]: At program point L756-1(lines 749 759) the Hoare annotation is: false [2021-11-23 13:00:44,122 INFO L854 garLoopResultBuilder]: At program point L475-8(lines 471 482) the Hoare annotation is: false [2021-11-23 13:00:44,122 INFO L854 garLoopResultBuilder]: At program point L756-2(lines 749 759) the Hoare annotation is: false [2021-11-23 13:00:44,122 INFO L854 garLoopResultBuilder]: At program point L459(lines 454 461) the Hoare annotation is: false [2021-11-23 13:00:44,124 INFO L854 garLoopResultBuilder]: At program point L459-1(lines 454 461) the Hoare annotation is: false [2021-11-23 13:00:44,124 INFO L854 garLoopResultBuilder]: At program point L459-2(lines 454 461) the Hoare annotation is: false [2021-11-23 13:00:44,125 INFO L854 garLoopResultBuilder]: At program point L839-2(lines 839 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,125 INFO L854 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-11-23 13:00:44,125 INFO L858 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-11-23 13:00:44,125 INFO L861 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2021-11-23 13:00:44,126 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-11-23 13:00:44,126 INFO L854 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:00:44,129 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:00:44,129 INFO L854 garLoopResultBuilder]: At program point L825(lines 820 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,130 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2021-11-23 13:00:44,130 INFO L854 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: false [2021-11-23 13:00:44,130 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2021-11-23 13:00:44,130 INFO L858 garLoopResultBuilder]: For program point L809-2(lines 809 815) no Hoare annotation was computed. [2021-11-23 13:00:44,131 INFO L854 garLoopResultBuilder]: At program point L512(lines 507 515) the Hoare annotation is: false [2021-11-23 13:00:44,131 INFO L854 garLoopResultBuilder]: At program point L512-1(lines 507 515) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,131 INFO L854 garLoopResultBuilder]: At program point L512-2(lines 507 515) the Hoare annotation is: false [2021-11-23 13:00:44,132 INFO L854 garLoopResultBuilder]: At program point L512-3(lines 507 515) the Hoare annotation is: false [2021-11-23 13:00:44,132 INFO L854 garLoopResultBuilder]: At program point L512-4(lines 507 515) the Hoare annotation is: false [2021-11-23 13:00:44,133 INFO L858 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-11-23 13:00:44,133 INFO L854 garLoopResultBuilder]: At program point L512-5(lines 507 515) the Hoare annotation is: false [2021-11-23 13:00:44,133 INFO L858 garLoopResultBuilder]: For program point L859-2(lines 859 865) no Hoare annotation was computed. [2021-11-23 13:00:44,133 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:00:44,134 INFO L858 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2021-11-23 13:00:44,134 INFO L861 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2021-11-23 13:00:44,134 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2021-11-23 13:00:44,134 INFO L854 garLoopResultBuilder]: At program point L695-1(lines 691 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:00:44,135 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2021-11-23 13:00:44,135 INFO L854 garLoopResultBuilder]: At program point L695-3(lines 691 715) the Hoare annotation is: false [2021-11-23 13:00:44,135 INFO L858 garLoopResultBuilder]: For program point L695-4(lines 695 712) no Hoare annotation was computed. [2021-11-23 13:00:44,135 INFO L854 garLoopResultBuilder]: At program point L695-5(lines 691 715) the Hoare annotation is: false [2021-11-23 13:00:44,136 INFO L858 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-11-23 13:00:44,136 INFO L858 garLoopResultBuilder]: For program point L877-2(lines 869 884) no Hoare annotation was computed. [2021-11-23 13:00:44,136 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:00:44,144 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 13:00:44,147 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:00:44,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:00:44 BoogieIcfgContainer [2021-11-23 13:00:44,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:00:44,199 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:00:44,199 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:00:44,200 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:00:44,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:41" (3/4) ... [2021-11-23 13:00:44,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:00:44,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-23 13:00:44,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 13:00:44,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:00:44,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:00:44,250 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:00:44,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:00:44,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:00:44,302 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 [2021-11-23 13:00:44,387 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:00:44,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:00:44,388 INFO L158 Benchmark]: Toolchain (without parser) took 4938.73ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 103.0MB in the end (delta: -17.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,388 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:44,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.60ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 85.0MB in the end (delta: -169.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.34ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 82.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,390 INFO L158 Benchmark]: Boogie Preprocessor took 66.36ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,393 INFO L158 Benchmark]: RCFGBuilder took 839.23ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 62.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,394 INFO L158 Benchmark]: TraceAbstraction took 3082.50ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 110.3MB in the end (delta: -48.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,395 INFO L158 Benchmark]: Witness Printer took 187.87ms. Allocated memory is still 148.9MB. Free memory was 110.3MB in the beginning and 103.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 13:00:44,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.60ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 85.0MB in the end (delta: -169.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.34ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 82.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.36ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 80.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 839.23ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 62.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3082.50ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 61.6MB in the beginning and 110.3MB in the end (delta: -48.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Witness Printer took 187.87ms. Allocated memory is still 148.9MB. Free memory was 110.3MB in the beginning and 103.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 458]: 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, 108 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 418 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 418 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 429 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 182 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 53 PreInvPairs, 155 NumberOfFragments, 170 HoareAnnotationTreeSize, 53 FomulaSimplifications, 312 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2405 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 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: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:00:44,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0155c67-6519-4362-bd38-4d0550abd3c6/bin/uautomizer-wIGwrQj20G/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