./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/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 078eafdb571868894c038a80ec14b552193cf718 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:49,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:49,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:49,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:49,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:49,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:49,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:49,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:49,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:49,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:49,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:49,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:49,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:49,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:49,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:49,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:49,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:49,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:49,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:49,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:49,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:49,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:49,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:49,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:49,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:49,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:49,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:49,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:49,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:49,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:49,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:49,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:49,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:49,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:49,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:49,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:49,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:49,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:49,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:49,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:49,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:49,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-12 23:59:49,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:49,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:49,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:49,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:49,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:49,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:49,211 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:49,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:49,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:49,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:49,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:49,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:49,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:49,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:49,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:49,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:49,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:49,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:49,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:49,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:49,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:49,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:49,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:49,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:49,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:49,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:49,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:49,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-12 23:59:49,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:49,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:49,217 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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 078eafdb571868894c038a80ec14b552193cf718 [2021-10-12 23:59:49,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:49,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:49,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:49,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:49,494 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:49,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-12 23:59:49,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/data/99de67475/987cdd88fe3f49928419d1be2de55d5e/FLAG04d56e629 [2021-10-12 23:59:50,028 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:50,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-12 23:59:50,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/data/99de67475/987cdd88fe3f49928419d1be2de55d5e/FLAG04d56e629 [2021-10-12 23:59:50,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/data/99de67475/987cdd88fe3f49928419d1be2de55d5e [2021-10-12 23:59:50,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:50,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:50,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:50,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:50,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:50,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:50,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c631ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50, skipping insertion in model container [2021-10-12 23:59:50,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:50,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:50,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:50,840 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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[15846,15859] [2021-10-12 23:59:50,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:50,863 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:50,963 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_b5473f0f-e20c-4182-aa50-476f5b8f23f6/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[15846,15859] [2021-10-12 23:59:50,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:50,998 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:50,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50 WrapperNode [2021-10-12 23:59:50,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:51,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:51,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:51,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:51,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:51,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:51,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:51,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:51,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:51,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:51,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:51,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:51,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (1/1) ... [2021-10-12 23:59:51,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:51,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:51,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:51,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:52,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:52,327 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-10-12 23:59:52,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:52 BoogieIcfgContainer [2021-10-12 23:59:52,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:52,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:52,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:52,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:52,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:50" (1/3) ... [2021-10-12 23:59:52,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e714d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:52, skipping insertion in model container [2021-10-12 23:59:52,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:50" (2/3) ... [2021-10-12 23:59:52,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e714d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:52, skipping insertion in model container [2021-10-12 23:59:52,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:52" (3/3) ... [2021-10-12 23:59:52,345 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-10-12 23:59:52,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:52,355 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-12 23:59:52,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:52,458 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 [2021-10-12 23:59:52,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-12 23:59:52,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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) [2021-10-12 23:59:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-12 23:59:52,492 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:52,493 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:52,494 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:52,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:52,501 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2021-10-12 23:59:52,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:52,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351498428] [2021-10-12 23:59:52,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:52,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:52,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:52,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351498428] [2021-10-12 23:59:52,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351498428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:52,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:52,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:52,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105042812] [2021-10-12 23:59:52,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-12 23:59:52,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:52,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:52,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:52,906 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:52,933 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-10-12 23:59:52,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:52,935 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-12 23:59:52,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:52,945 INFO L225 Difference]: With dead ends: 167 [2021-10-12 23:59:52,946 INFO L226 Difference]: Without dead ends: 83 [2021-10-12 23:59:52,949 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 [2021-10-12 23:59:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-12 23:59:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-12 23:59:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 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) [2021-10-12 23:59:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-10-12 23:59:52,991 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-10-12 23:59:52,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:52,992 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-10-12 23:59:52,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-10-12 23:59:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-12 23:59:52,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:52,994 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] [2021-10-12 23:59:52,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-12 23:59:52,994 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:52,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:52,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2021-10-12 23:59:52,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:52,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170414410] [2021-10-12 23:59:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:52,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:53,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:53,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170414410] [2021-10-12 23:59:53,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170414410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:53,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:53,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:53,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181102439] [2021-10-12 23:59:53,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:53,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:53,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:53,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:53,090 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,101 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-10-12 23:59:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:53,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-12 23:59:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,103 INFO L225 Difference]: With dead ends: 83 [2021-10-12 23:59:53,103 INFO L226 Difference]: Without dead ends: 38 [2021-10-12 23:59:53,104 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:53,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-12 23:59:53,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-12 23:59:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 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) [2021-10-12 23:59:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-10-12 23:59:53,109 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-10-12 23:59:53,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,110 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-10-12 23:59:53,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-12 23:59:53,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-12 23:59:53,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,112 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-12 23:59:53,112 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,113 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2021-10-12 23:59:53,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:53,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734675845] [2021-10-12 23:59:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:53,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:53,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734675845] [2021-10-12 23:59:53,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734675845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:53,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:53,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:53,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828785661] [2021-10-12 23:59:53,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:53,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:53,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:53,253 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,429 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-10-12 23:59:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:53,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-12 23:59:53,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,438 INFO L225 Difference]: With dead ends: 69 [2021-10-12 23:59:53,438 INFO L226 Difference]: Without dead ends: 38 [2021-10-12 23:59:53,439 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-12 23:59:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-12 23:59:53,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-12 23:59:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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) [2021-10-12 23:59:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-12 23:59:53,457 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-10-12 23:59:53,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,458 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-12 23:59:53,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-10-12 23:59:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-12 23:59:53,460 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,461 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-12 23:59:53,461 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2021-10-12 23:59:53,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:53,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714263171] [2021-10-12 23:59:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:53,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:53,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714263171] [2021-10-12 23:59:53,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714263171] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:53,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:53,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:53,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636056678] [2021-10-12 23:59:53,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:53,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:53,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:53,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:53,580 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,604 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-10-12 23:59:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-12 23:59:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,606 INFO L225 Difference]: With dead ends: 93 [2021-10-12 23:59:53,606 INFO L226 Difference]: Without dead ends: 62 [2021-10-12 23:59:53,607 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-12 23:59:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-12 23:59:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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) [2021-10-12 23:59:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-12 23:59:53,616 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-10-12 23:59:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,616 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-12 23:59:53,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-12 23:59:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:53,618 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,618 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-12 23:59:53,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2021-10-12 23:59:53,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:53,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593458563] [2021-10-12 23:59:53,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:53,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:53,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593458563] [2021-10-12 23:59:53,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593458563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:53,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:53,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:53,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681550503] [2021-10-12 23:59:53,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:53,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:53,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:53,743 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-12 23:59:53,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,787 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-10-12 23:59:53,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:53,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:53,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,789 INFO L225 Difference]: With dead ends: 157 [2021-10-12 23:59:53,789 INFO L226 Difference]: Without dead ends: 104 [2021-10-12 23:59:53,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:53,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-12 23:59:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-10-12 23:59:53,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 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) [2021-10-12 23:59:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-10-12 23:59:53,800 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-10-12 23:59:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,801 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-10-12 23:59:53,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-12 23:59:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-10-12 23:59:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:53,802 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,803 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-12 23:59:53,803 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2021-10-12 23:59:53,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:53,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833573843] [2021-10-12 23:59:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:53,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:53,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:53,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833573843] [2021-10-12 23:59:53,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833573843] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:53,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:53,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:53,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459250021] [2021-10-12 23:59:53,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:53,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:53,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:53,870 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:53,960 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-10-12 23:59:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-12 23:59:53,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:53,963 INFO L225 Difference]: With dead ends: 216 [2021-10-12 23:59:53,963 INFO L226 Difference]: Without dead ends: 160 [2021-10-12 23:59:53,964 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:53,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-12 23:59:53,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-12 23:59:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 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) [2021-10-12 23:59:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-10-12 23:59:53,977 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-10-12 23:59:53,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:53,977 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-10-12 23:59:53,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-10-12 23:59:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:53,979 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:53,979 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:53,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-12 23:59:53,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:53,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2021-10-12 23:59:53,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:53,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176067876] [2021-10-12 23:59:53,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:53,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:54,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:54,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176067876] [2021-10-12 23:59:54,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176067876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:54,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:54,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:54,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103641843] [2021-10-12 23:59:54,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:54,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:54,037 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:54,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:54,064 INFO L93 Difference]: Finished difference Result 143 states and 193 transitions. [2021-10-12 23:59:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:54,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:54,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:54,066 INFO L225 Difference]: With dead ends: 143 [2021-10-12 23:59:54,066 INFO L226 Difference]: Without dead ends: 88 [2021-10-12 23:59:54,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-12 23:59:54,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 64. [2021-10-12 23:59:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 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) [2021-10-12 23:59:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-10-12 23:59:54,077 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-10-12 23:59:54,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:54,078 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-10-12 23:59:54,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-10-12 23:59:54,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:54,079 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:54,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:54,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-12 23:59:54,080 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:54,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2021-10-12 23:59:54,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:54,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715344613] [2021-10-12 23:59:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:54,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:54,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:54,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715344613] [2021-10-12 23:59:54,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715344613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:54,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:54,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:54,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921409377] [2021-10-12 23:59:54,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:54,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:54,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:54,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:54,157 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-10-12 23:59:54,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:54,186 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-10-12 23:59:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:54,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:54,188 INFO L225 Difference]: With dead ends: 148 [2021-10-12 23:59:54,188 INFO L226 Difference]: Without dead ends: 91 [2021-10-12 23:59:54,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-12 23:59:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-12 23:59:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 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) [2021-10-12 23:59:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-10-12 23:59:54,214 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-10-12 23:59:54,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:54,214 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-12 23:59:54,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-10-12 23:59:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-10-12 23:59:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-12 23:59:54,224 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:54,224 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:54,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-12 23:59:54,224 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:54,226 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2021-10-12 23:59:54,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:54,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155308150] [2021-10-12 23:59:54,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:54,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:54,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:54,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155308150] [2021-10-12 23:59:54,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155308150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:54,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:54,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-12 23:59:54,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333239295] [2021-10-12 23:59:54,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-12 23:59:54,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:54,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-12 23:59:54,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:54,385 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-10-12 23:59:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:54,718 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-10-12 23:59:54,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-12 23:59:54,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2021-10-12 23:59:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:54,722 INFO L225 Difference]: With dead ends: 420 [2021-10-12 23:59:54,722 INFO L226 Difference]: Without dead ends: 363 [2021-10-12 23:59:54,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 99.3ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-12 23:59:54,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-12 23:59:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-10-12 23:59:54,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 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) [2021-10-12 23:59:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-10-12 23:59:54,772 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-10-12 23:59:54,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:54,773 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-10-12 23:59:54,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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) [2021-10-12 23:59:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-10-12 23:59:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-12 23:59:54,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:54,778 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:54,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-12 23:59:54,779 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:54,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:54,779 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2021-10-12 23:59:54,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:54,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349381137] [2021-10-12 23:59:54,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:54,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:54,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:54,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349381137] [2021-10-12 23:59:54,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349381137] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:54,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038648705] [2021-10-12 23:59:54,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:54,911 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:54,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:54,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-12 23:59:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:55,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-12 23:59:55,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:55,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038648705] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:55,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-12 23:59:55,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-12 23:59:55,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494782873] [2021-10-12 23:59:55,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-12 23:59:55,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:55,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-12 23:59:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-12 23:59:55,420 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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) [2021-10-12 23:59:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:55,685 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-10-12 23:59:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-12 23:59:55,686 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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 51 [2021-10-12 23:59:55,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:55,689 INFO L225 Difference]: With dead ends: 282 [2021-10-12 23:59:55,689 INFO L226 Difference]: Without dead ends: 0 [2021-10-12 23:59:55,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 135.6ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-12 23:59:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-12 23:59:55,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-12 23:59:55,695 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) [2021-10-12 23:59:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-12 23:59:55,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-12 23:59:55,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:55,698 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:55,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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) [2021-10-12 23:59:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:55,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-12 23:59:55,701 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:55,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:55,702 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:55,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:55,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-12 23:59:55,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-12 23:59:55,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:55,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:55,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:55,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:56,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:57,976 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,976 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-10-12 23:59:57,976 INFO L853 garLoopResultBuilder]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-12 23:59:57,976 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-12 23:59:57,976 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L857 garLoopResultBuilder]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L857 garLoopResultBuilder]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L857 garLoopResultBuilder]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L857 garLoopResultBuilder]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L857 garLoopResultBuilder]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2021-10-12 23:59:57,977 INFO L853 garLoopResultBuilder]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse6 .cse0 .cse3 .cse7 .cse4 .cse8 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse9 .cse3 .cse7 .cse4 .cse8 .cse5))) [2021-10-12 23:59:57,977 INFO L853 garLoopResultBuilder]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 (= ~waterLevel~0 1) .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3))) [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse7 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse7 .cse8 .cse4 .cse9 .cse5) (and .cse10 .cse0 .cse2 .cse8 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse10 .cse0 .cse6 .cse2 .cse7 .cse8 .cse4 .cse9 .cse5))) [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-12 23:59:57,978 INFO L853 garLoopResultBuilder]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 771) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L860 garLoopResultBuilder]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 541) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 923) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2021-10-12 23:59:57,979 INFO L857 garLoopResultBuilder]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L853 garLoopResultBuilder]: At program point L468(lines 421 469) the Hoare annotation is: false [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 920) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L782-2(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,980 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 463) no Hoare annotation was computed. [2021-10-12 23:59:57,981 INFO L853 garLoopResultBuilder]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse6 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse6 .cse4 .cse5))) [2021-10-12 23:59:57,981 INFO L853 garLoopResultBuilder]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2021-10-12 23:59:57,981 INFO L853 garLoopResultBuilder]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2021-10-12 23:59:57,981 INFO L853 garLoopResultBuilder]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-12 23:59:57,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-12 23:59:57,981 INFO L853 garLoopResultBuilder]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse4 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7) (and .cse8 .cse0 .cse2 .cse3 .cse4 .cse6 .cse7))) [2021-10-12 23:59:57,982 INFO L853 garLoopResultBuilder]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2021-10-12 23:59:57,982 INFO L853 garLoopResultBuilder]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2021-10-12 23:59:57,982 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-12 23:59:57,982 INFO L853 garLoopResultBuilder]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-12 23:59:57,982 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2021-10-12 23:59:57,982 INFO L853 garLoopResultBuilder]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2021-10-12 23:59:57,982 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L423(lines 422 467) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2021-10-12 23:59:57,983 INFO L857 garLoopResultBuilder]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2021-10-12 23:59:57,984 INFO L853 garLoopResultBuilder]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-10-12 23:59:57,984 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 448) no Hoare annotation was computed. [2021-10-12 23:59:57,984 INFO L853 garLoopResultBuilder]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse5 .cse6 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-12 23:59:57,984 INFO L853 garLoopResultBuilder]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1)) [2021-10-12 23:59:57,984 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-12 23:59:57,984 INFO L860 garLoopResultBuilder]: At program point L773(lines 754 776) the Hoare annotation is: true [2021-10-12 23:59:57,984 INFO L853 garLoopResultBuilder]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2021-10-12 23:59:57,985 INFO L853 garLoopResultBuilder]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L692(line 692) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 546) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2021-10-12 23:59:57,985 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 926) no Hoare annotation was computed. [2021-10-12 23:59:57,986 INFO L853 garLoopResultBuilder]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-12 23:59:57,986 INFO L853 garLoopResultBuilder]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse2 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse9 .cse6 .cse3 .cse10 .cse11 .cse4))) [2021-10-12 23:59:57,986 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2021-10-12 23:59:57,986 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2021-10-12 23:59:57,986 INFO L853 garLoopResultBuilder]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2021-10-12 23:59:57,986 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2021-10-12 23:59:57,986 INFO L857 garLoopResultBuilder]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L853 garLoopResultBuilder]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2021-10-12 23:59:57,987 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L857 garLoopResultBuilder]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-12 23:59:57,987 INFO L853 garLoopResultBuilder]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse4 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (= ULTIMATE.start_main_~tmp~6 1)))) [2021-10-12 23:59:57,987 INFO L853 garLoopResultBuilder]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2021-10-12 23:59:57,988 INFO L853 garLoopResultBuilder]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2021-10-12 23:59:57,994 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-12 23:59:58,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:59:58 BoogieIcfgContainer [2021-10-12 23:59:58,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-12 23:59:58,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:58,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:58,056 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:58,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:52" (3/4) ... [2021-10-12 23:59:58,060 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-12 23:59:58,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-12 23:59:58,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-12 23:59:58,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-12 23:59:58,093 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-12 23:59:58,094 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-12 23:59:58,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:58,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:58,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-12 23:59:58,133 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-10-12 23:59:58,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 [2021-10-12 23:59:58,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) [2021-10-12 23:59:58,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-10-12 23:59:58,136 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) [2021-10-12 23:59:58,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) [2021-10-12 23:59:58,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-10-12 23:59:58,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-10-12 23:59:58,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) [2021-10-12 23:59:58,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) [2021-10-12 23:59:58,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-10-12 23:59:58,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) [2021-10-12 23:59:58,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) [2021-10-12 23:59:58,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-12 23:59:58,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:58,179 INFO L168 Benchmark]: Toolchain (without parser) took 7787.88 ms. Allocated memory was 138.4 MB in the beginning and 188.7 MB in the end (delta: 50.3 MB). Free memory was 105.7 MB in the beginning and 113.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,179 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 90.2 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:58,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.00 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 106.5 MB in the end (delta: -944.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.49 ms. Allocated memory is still 138.4 MB. Free memory was 106.5 MB in the beginning and 103.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,181 INFO L168 Benchmark]: Boogie Preprocessor took 60.12 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 101.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,181 INFO L168 Benchmark]: RCFGBuilder took 1180.39 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 61.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,181 INFO L168 Benchmark]: TraceAbstraction took 5721.11 ms. Allocated memory was 138.4 MB in the beginning and 188.7 MB in the end (delta: 50.3 MB). Free memory was 60.4 MB in the beginning and 120.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,182 INFO L168 Benchmark]: Witness Printer took 121.71 ms. Allocated memory is still 188.7 MB. Free memory was 120.4 MB in the beginning and 113.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:58,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 90.2 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.00 ms. Allocated memory is still 138.4 MB. Free memory was 105.6 MB in the beginning and 106.5 MB in the end (delta: -944.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.49 ms. Allocated memory is still 138.4 MB. Free memory was 106.5 MB in the beginning and 103.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.12 ms. Allocated memory is still 138.4 MB. Free memory was 103.6 MB in the beginning and 101.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1180.39 ms. Allocated memory is still 138.4 MB. Free memory was 101.1 MB in the beginning and 61.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5721.11 ms. Allocated memory was 138.4 MB in the beginning and 188.7 MB in the end (delta: 50.3 MB). Free memory was 60.4 MB in the beginning and 120.4 MB in the end (delta: -60.0 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. * Witness Printer took 121.71 ms. Allocated memory is still 188.7 MB. Free memory was 120.4 MB in the beginning and 113.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 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: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5550.6ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 35.8ms, AutomataDifference: 1110.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2050.8ms, InitialAbstractionConstructionTime: 20.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 779 SDtfs, 1096 SDslu, 1040 SDs, 0 SdLazy, 189 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 528.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 348.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 158.4ms AutomataMinimizationTime, 10 MinimizatonAttempts, 373 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 952 HoareAnnotationTreeSize, 37 FomulaSimplifications, 16392 FormulaSimplificationTreeSizeReduction, 465.5ms HoareSimplificationTime, 37 FomulaSimplificationsInter, 3050 FormulaSimplificationTreeSizeReductionInter, 1572.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 103.6ms SsaConstructionTime, 506.5ms SatisfiabilityAnalysisTime, 996.7ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 735]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && waterLevel <= 2) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && tmp == 0) && waterLevel == 1) && tmp == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 == systemActive) && tmp == systemActive) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp == 1) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && tmp == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && tmp == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && tmp == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && tmp == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == systemActive) && tmp == 0) && \result == 1) && waterLevel == 1) && tmp == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && tmp == 1) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-10-12 23:59:58,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5473f0f-e20c-4182-aa50-476f5b8f23f6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...