./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6775cf40df2c7fe85c2d16019d10d145a8673615 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:02:28,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:02:28,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:02:28,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:02:28,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:02:28,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:02:28,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:02:28,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:02:28,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:02:28,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:02:28,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:02:28,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:02:28,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:02:28,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:02:28,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:02:28,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:02:28,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:02:28,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:02:28,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:02:28,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:02:28,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:02:28,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:02:28,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:02:28,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:02:28,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:02:28,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:02:28,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:02:28,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:02:28,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:02:28,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:02:28,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:02:28,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:02:28,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:02:28,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:02:28,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:02:28,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:02:28,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:02:28,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:02:28,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:02:28,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:02:28,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:02:28,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 01:02:28,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:02:28,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:02:28,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:02:28,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:02:28,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:02:28,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:02:28,220 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:02:28,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:02:28,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:02:28,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:02:28,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:02:28,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:02:28,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:02:28,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:02:28,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:02:28,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:02:28,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:02:28,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:02:28,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:02:28,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:02:28,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:02:28,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:02:28,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:28,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:02:28,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:02:28,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:02:28,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:02:28,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:02:28,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:02:28,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:02:28,225 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_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2021-10-13 01:02:28,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:02:28,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:02:28,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:02:28,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:02:28,551 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:02:28,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-13 01:02:28,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/data/65cd5251e/47706623734b456eab15ea3d24e08621/FLAG98c2e7b00 [2021-10-13 01:02:29,114 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:02:29,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-13 01:02:29,147 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/data/65cd5251e/47706623734b456eab15ea3d24e08621/FLAG98c2e7b00 [2021-10-13 01:02:29,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/data/65cd5251e/47706623734b456eab15ea3d24e08621 [2021-10-13 01:02:29,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:02:29,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:02:29,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:29,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:02:29,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:02:29,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:29,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b4094c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29, skipping insertion in model container [2021-10-13 01:02:29,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:29,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:02:29,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:02:29,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-13 01:02:29,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:29,905 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:02:29,971 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[17816,17829] [2021-10-13 01:02:29,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:02:29,990 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:02:29,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29 WrapperNode [2021-10-13 01:02:29,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:02:29,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:29,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:02:29,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:02:30,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:02:30,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:02:30,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:02:30,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:02:30,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:02:30,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:02:30,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:02:30,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:02:30,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (1/1) ... [2021-10-13 01:02:30,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:02:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:02:30,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:02:30,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:02:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:02:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:02:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:02:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:02:31,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:02:31,164 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 01:02:31,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:31 BoogieIcfgContainer [2021-10-13 01:02:31,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:02:31,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:02:31,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:02:31,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:02:31,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:02:29" (1/3) ... [2021-10-13 01:02:31,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c25430d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:31, skipping insertion in model container [2021-10-13 01:02:31,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:02:29" (2/3) ... [2021-10-13 01:02:31,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c25430d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:31, skipping insertion in model container [2021-10-13 01:02:31,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:31" (3/3) ... [2021-10-13 01:02:31,176 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-10-13 01:02:31,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:02:31,186 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 01:02:31,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:02:31,255 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:02:31,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 01:02:31,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 01:02:31,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:31,289 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:31,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:31,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:31,295 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-13 01:02:31,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:31,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735615670] [2021-10-13 01:02:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:31,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:31,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:31,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735615670] [2021-10-13 01:02:31,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735615670] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:31,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:31,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:02:31,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458180031] [2021-10-13 01:02:31,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:02:31,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:31,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:02:31,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:02:31,696 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:31,743 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-13 01:02:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:02:31,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 01:02:31,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:31,757 INFO L225 Difference]: With dead ends: 208 [2021-10-13 01:02:31,758 INFO L226 Difference]: Without dead ends: 103 [2021-10-13 01:02:31,762 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:02:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-13 01:02:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-13 01:02:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-13 01:02:31,826 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-13 01:02:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:31,827 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-13 01:02:31,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-13 01:02:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 01:02:31,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:31,829 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:31,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:02:31,829 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:31,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:31,830 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-13 01:02:31,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:31,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923132751] [2021-10-13 01:02:31,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:31,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:31,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:31,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923132751] [2021-10-13 01:02:31,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923132751] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:31,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:31,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:02:31,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290211737] [2021-10-13 01:02:31,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 01:02:31,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:02:31,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:31,931 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:31,941 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-13 01:02:31,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:02:31,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 01:02:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:31,943 INFO L225 Difference]: With dead ends: 103 [2021-10-13 01:02:31,943 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 01:02:31,944 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:02:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 01:02:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 01:02:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 01:02:31,950 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-13 01:02:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:31,950 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 01:02:31,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 01:02:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 01:02:31,952 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:31,952 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:31,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:02:31,953 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:31,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-13 01:02:31,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:31,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967493291] [2021-10-13 01:02:31,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:31,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:32,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:32,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967493291] [2021-10-13 01:02:32,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967493291] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:32,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:32,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:02:32,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080151618] [2021-10-13 01:02:32,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:02:32,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:02:32,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:02:32,049 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:32,261 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-13 01:02:32,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:02:32,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 01:02:32,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:32,263 INFO L225 Difference]: With dead ends: 146 [2021-10-13 01:02:32,263 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 01:02:32,264 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:02:32,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 01:02:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-13 01:02:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-13 01:02:32,299 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-13 01:02:32,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:32,300 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-13 01:02:32,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-13 01:02:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 01:02:32,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:32,302 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:32,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:02:32,303 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:32,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:32,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-13 01:02:32,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:32,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5422110] [2021-10-13 01:02:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:32,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:32,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:32,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5422110] [2021-10-13 01:02:32,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5422110] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:32,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:32,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:02:32,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013345647] [2021-10-13 01:02:32,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:32,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:32,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:32,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:32,427 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:32,518 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2021-10-13 01:02:32,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:02:32,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 01:02:32,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:32,521 INFO L225 Difference]: With dead ends: 309 [2021-10-13 01:02:32,521 INFO L226 Difference]: Without dead ends: 251 [2021-10-13 01:02:32,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 01:02:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-10-13 01:02:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2021-10-13 01:02:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.4695652173913043) internal successors, (169), 115 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2021-10-13 01:02:32,542 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2021-10-13 01:02:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:32,543 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2021-10-13 01:02:32,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2021-10-13 01:02:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 01:02:32,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:02:32,545 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:02:32,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:02:32,545 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 01:02:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:02:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2021-10-13 01:02:32,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:02:32,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136771206] [2021-10-13 01:02:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:02:32,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:02:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:02:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:02:32,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:02:32,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136771206] [2021-10-13 01:02:32,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136771206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:02:32,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:02:32,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:02:32,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136165464] [2021-10-13 01:02:32,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:02:32,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:02:32,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:02:32,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:02:32,619 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:02:32,701 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2021-10-13 01:02:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:02:32,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 01:02:32,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:02:32,702 INFO L225 Difference]: With dead ends: 312 [2021-10-13 01:02:32,702 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:02:32,704 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:02:32,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:02:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:02:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:02:32,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-13 01:02:32,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:02:32,706 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:02:32,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:02:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:02:32,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:02:32,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:02:32,709 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:02:32,710 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:02:32,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:02:32,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:02:32,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:32,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:02:33,028 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,029 INFO L860 garLoopResultBuilder]: At program point L928(lines 909 931) the Hoare annotation is: true [2021-10-13 01:02:33,029 INFO L853 garLoopResultBuilder]: At program point L697(lines 692 700) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-13 01:02:33,030 INFO L853 garLoopResultBuilder]: At program point L697-1(lines 692 700) the Hoare annotation is: false [2021-10-13 01:02:33,030 INFO L853 garLoopResultBuilder]: At program point L697-2(lines 692 700) the Hoare annotation is: false [2021-10-13 01:02:33,031 INFO L853 garLoopResultBuilder]: At program point L565(lines 516 566) the Hoare annotation is: false [2021-10-13 01:02:33,031 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,031 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,032 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-13 01:02:33,032 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,033 INFO L853 garLoopResultBuilder]: At program point L499-3(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,033 INFO L853 garLoopResultBuilder]: At program point L499-4(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,033 INFO L853 garLoopResultBuilder]: At program point L499-5(lines 494 502) the Hoare annotation is: false [2021-10-13 01:02:33,033 INFO L853 garLoopResultBuilder]: At program point L896(lines 892 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-10-13 01:02:33,034 INFO L853 garLoopResultBuilder]: At program point L832(lines 827 835) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 01:02:33,034 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 543) no Hoare annotation was computed. [2021-10-13 01:02:33,035 INFO L853 garLoopResultBuilder]: At program point L537-1(lines 537 543) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,035 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,035 INFO L857 garLoopResultBuilder]: For program point L937(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,035 INFO L857 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,035 INFO L857 garLoopResultBuilder]: For program point L937-2(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,036 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-13 01:02:33,036 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2021-10-13 01:02:33,036 INFO L857 garLoopResultBuilder]: For program point L644-1(lines 644 661) no Hoare annotation was computed. [2021-10-13 01:02:33,036 INFO L857 garLoopResultBuilder]: For program point L644-2(lines 644 661) no Hoare annotation was computed. [2021-10-13 01:02:33,036 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 560) no Hoare annotation was computed. [2021-10-13 01:02:33,037 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,037 INFO L857 garLoopResultBuilder]: For program point L746-2(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,037 INFO L857 garLoopResultBuilder]: For program point L746-3(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,037 INFO L857 garLoopResultBuilder]: For program point L746-5(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,037 INFO L857 garLoopResultBuilder]: For program point L746-6(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,038 INFO L857 garLoopResultBuilder]: For program point L746-8(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,038 INFO L857 garLoopResultBuilder]: For program point L746-9(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,038 INFO L857 garLoopResultBuilder]: For program point L746-11(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,038 INFO L857 garLoopResultBuilder]: For program point L746-12(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,039 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:02:33,039 INFO L857 garLoopResultBuilder]: For program point L746-14(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,039 INFO L857 garLoopResultBuilder]: For program point L746-15(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,040 INFO L857 garLoopResultBuilder]: For program point L746-17(lines 746 750) no Hoare annotation was computed. [2021-10-13 01:02:33,040 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 656) no Hoare annotation was computed. [2021-10-13 01:02:33,041 INFO L857 garLoopResultBuilder]: For program point L648-1(lines 648 656) no Hoare annotation was computed. [2021-10-13 01:02:33,041 INFO L857 garLoopResultBuilder]: For program point L648-2(lines 648 656) no Hoare annotation was computed. [2021-10-13 01:02:33,044 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 794) no Hoare annotation was computed. [2021-10-13 01:02:33,044 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 1 940) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,044 INFO L857 garLoopResultBuilder]: For program point L781-2(lines 781 794) no Hoare annotation was computed. [2021-10-13 01:02:33,044 INFO L853 garLoopResultBuilder]: At program point L781-3(lines 1 940) the Hoare annotation is: false [2021-10-13 01:02:33,045 INFO L857 garLoopResultBuilder]: For program point L781-4(lines 781 794) no Hoare annotation was computed. [2021-10-13 01:02:33,045 INFO L853 garLoopResultBuilder]: At program point L781-5(lines 1 940) the Hoare annotation is: false [2021-10-13 01:02:33,045 INFO L853 garLoopResultBuilder]: At program point L848-2(lines 848 862) the Hoare annotation is: false [2021-10-13 01:02:33,047 INFO L857 garLoopResultBuilder]: For program point L518(lines 517 564) no Hoare annotation was computed. [2021-10-13 01:02:33,047 INFO L857 garLoopResultBuilder]: For program point L849(line 849) no Hoare annotation was computed. [2021-10-13 01:02:33,047 INFO L857 garLoopResultBuilder]: For program point L618(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,048 INFO L857 garLoopResultBuilder]: For program point L618-1(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,048 INFO L857 garLoopResultBuilder]: For program point L618-2(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,048 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 523) no Hoare annotation was computed. [2021-10-13 01:02:33,048 INFO L857 garLoopResultBuilder]: For program point L618-3(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,048 INFO L857 garLoopResultBuilder]: For program point L618-4(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,049 INFO L857 garLoopResultBuilder]: For program point L618-5(lines 618 635) no Hoare annotation was computed. [2021-10-13 01:02:33,049 INFO L853 garLoopResultBuilder]: At program point L586(lines 585 604) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,049 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 559) no Hoare annotation was computed. [2021-10-13 01:02:33,049 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2021-10-13 01:02:33,049 INFO L853 garLoopResultBuilder]: At program point L553-1(lines 586 592) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,052 INFO L853 garLoopResultBuilder]: At program point L586-2(lines 585 604) the Hoare annotation is: false [2021-10-13 01:02:33,052 INFO L853 garLoopResultBuilder]: At program point L586-3(lines 585 604) the Hoare annotation is: false [2021-10-13 01:02:33,053 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-13 01:02:33,053 INFO L857 garLoopResultBuilder]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-10-13 01:02:33,053 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:02:33,053 INFO L857 garLoopResultBuilder]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-10-13 01:02:33,055 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 791) no Hoare annotation was computed. [2021-10-13 01:02:33,059 INFO L853 garLoopResultBuilder]: At program point L752(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,059 INFO L853 garLoopResultBuilder]: At program point L752-1(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,059 INFO L857 garLoopResultBuilder]: For program point L785-2(lines 785 791) no Hoare annotation was computed. [2021-10-13 01:02:33,060 INFO L853 garLoopResultBuilder]: At program point L752-2(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,060 INFO L853 garLoopResultBuilder]: At program point L752-3(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,060 INFO L857 garLoopResultBuilder]: For program point L785-4(lines 785 791) no Hoare annotation was computed. [2021-10-13 01:02:33,060 INFO L853 garLoopResultBuilder]: At program point L752-4(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,061 INFO L853 garLoopResultBuilder]: At program point L752-5(lines 737 755) the Hoare annotation is: false [2021-10-13 01:02:33,061 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2021-10-13 01:02:33,062 INFO L857 garLoopResultBuilder]: For program point L852-1(lines 586 592) no Hoare annotation was computed. [2021-10-13 01:02:33,062 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 926) no Hoare annotation was computed. [2021-10-13 01:02:33,062 INFO L860 garLoopResultBuilder]: At program point L919-1(lines 919 926) the Hoare annotation is: true [2021-10-13 01:02:33,062 INFO L853 garLoopResultBuilder]: At program point L688(lines 681 691) the Hoare annotation is: false [2021-10-13 01:02:33,063 INFO L853 garLoopResultBuilder]: At program point L688-1(lines 681 691) the Hoare annotation is: false [2021-10-13 01:02:33,063 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,063 INFO L853 garLoopResultBuilder]: At program point L688-2(lines 681 691) the Hoare annotation is: false [2021-10-13 01:02:33,063 INFO L857 garLoopResultBuilder]: For program point L622-1(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,063 INFO L857 garLoopResultBuilder]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,064 INFO L857 garLoopResultBuilder]: For program point L622-3(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,064 INFO L857 garLoopResultBuilder]: For program point L622-4(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,064 INFO L857 garLoopResultBuilder]: For program point L622-5(lines 622 630) no Hoare annotation was computed. [2021-10-13 01:02:33,064 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:02:33,064 INFO L853 garLoopResultBuilder]: At program point L458(lines 453 461) the Hoare annotation is: false [2021-10-13 01:02:33,065 INFO L853 garLoopResultBuilder]: At program point L458-1(lines 453 461) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,065 INFO L853 garLoopResultBuilder]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2021-10-13 01:02:33,065 INFO L853 garLoopResultBuilder]: At program point L458-3(lines 453 461) the Hoare annotation is: false [2021-10-13 01:02:33,065 INFO L853 garLoopResultBuilder]: At program point L458-4(lines 453 461) the Hoare annotation is: false [2021-10-13 01:02:33,065 INFO L853 garLoopResultBuilder]: At program point L458-5(lines 453 461) the Hoare annotation is: false [2021-10-13 01:02:33,066 INFO L853 garLoopResultBuilder]: At program point L824(lines 1 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 01:02:33,066 INFO L853 garLoopResultBuilder]: At program point L593(lines 593 599) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,066 INFO L853 garLoopResultBuilder]: At program point L593-1(lines 593 599) the Hoare annotation is: false [2021-10-13 01:02:33,069 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-10-13 01:02:33,069 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 599) the Hoare annotation is: false [2021-10-13 01:02:33,070 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 527 533) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,070 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:02:33,070 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 937) no Hoare annotation was computed. [2021-10-13 01:02:33,070 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2021-10-13 01:02:33,071 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 760 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 01:02:33,075 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:02:33,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:02:33 BoogieIcfgContainer [2021-10-13 01:02:33,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:02:33,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:02:33,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:02:33,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:02:33,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:31" (3/4) ... [2021-10-13 01:02:33,109 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:02:33,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 01:02:33,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 01:02:33,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 01:02:33,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 01:02:33,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 01:02:33,146 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:33,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:02:33,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-13 01:02:33,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-10-13 01:02:33,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-13 01:02:33,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:02:33,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:02:33,258 INFO L168 Benchmark]: Toolchain (without parser) took 3800.28 ms. Allocated memory was 88.1 MB in the beginning and 146.8 MB in the end (delta: 58.7 MB). Free memory was 51.0 MB in the beginning and 96.0 MB in the end (delta: -45.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,258 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:02:33,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.35 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 50.8 MB in the beginning and 89.8 MB in the end (delta: -39.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 121.6 MB. Free memory was 89.8 MB in the beginning and 85.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,260 INFO L168 Benchmark]: Boogie Preprocessor took 61.67 ms. Allocated memory is still 121.6 MB. Free memory was 85.9 MB in the beginning and 83.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,262 INFO L168 Benchmark]: RCFGBuilder took 1006.97 ms. Allocated memory is still 121.6 MB. Free memory was 83.5 MB in the beginning and 92.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,263 INFO L168 Benchmark]: TraceAbstraction took 1935.51 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 91.8 MB in the beginning and 105.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,263 INFO L168 Benchmark]: Witness Printer took 150.97 ms. Allocated memory is still 146.8 MB. Free memory was 105.5 MB in the beginning and 96.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:02:33,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 68.4 MB in the beginning and 68.4 MB in the end (delta: 52.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 533.35 ms. Allocated memory was 88.1 MB in the beginning and 121.6 MB in the end (delta: 33.6 MB). Free memory was 50.8 MB in the beginning and 89.8 MB in the end (delta: -39.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 121.6 MB. Free memory was 89.8 MB in the beginning and 85.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.67 ms. Allocated memory is still 121.6 MB. Free memory was 85.9 MB in the beginning and 83.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1006.97 ms. Allocated memory is still 121.6 MB. Free memory was 83.5 MB in the beginning and 92.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1935.51 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 91.8 MB in the beginning and 105.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Witness Printer took 150.97 ms. Allocated memory is still 146.8 MB. Free memory was 105.5 MB in the beginning and 96.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 937]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 937]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 937]: 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, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1831.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 21.0ms, AutomataDifference: 500.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 317.2ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 432 SDtfs, 659 SDslu, 622 SDs, 0 SdLazy, 80 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 215.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 89.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 111.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 220.7ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 84.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 32.5ms SsaConstructionTime, 241.7ms SatisfiabilityAnalysisTime, 355.7ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 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: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 01:02:33,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8840b42-c9f1-45ea-ae6b-a00778e8e60a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...