./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be --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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 18:59:55,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 18:59:55,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 18:59:55,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 18:59:55,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 18:59:55,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 18:59:55,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 18:59:55,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 18:59:55,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 18:59:55,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 18:59:55,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 18:59:55,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 18:59:55,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 18:59:55,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 18:59:55,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 18:59:55,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 18:59:55,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 18:59:55,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 18:59:55,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 18:59:55,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 18:59:55,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 18:59:55,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 18:59:55,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 18:59:55,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 18:59:55,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 18:59:55,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 18:59:55,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 18:59:55,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 18:59:55,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 18:59:55,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 18:59:55,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 18:59:55,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 18:59:55,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 18:59:55,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 18:59:55,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 18:59:55,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 18:59:55,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 18:59:55,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 18:59:55,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 18:59:55,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 18:59:55,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 18:59:55,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 18:59:55,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 18:59:55,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 18:59:55,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 18:59:55,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 18:59:55,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 18:59:55,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 18:59:55,418 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 18:59:55,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 18:59:55,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 18:59:55,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 18:59:55,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 18:59:55,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 18:59:55,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 18:59:55,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 18:59:55,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 18:59:55,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 18:59:55,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 18:59:55,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 18:59:55,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 18:59:55,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 18:59:55,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 18:59:55,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 18:59:55,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 18:59:55,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 18:59:55,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 18:59:55,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 18:59:55,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 18:59:55,423 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_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2021-10-21 18:59:55,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 18:59:55,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 18:59:55,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 18:59:55,677 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 18:59:55,678 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 18:59:55,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-21 18:59:55,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/data/e35a8b5bc/7727a0ecb2c34ec280bfdeb3ba609215/FLAG363fb1f2a [2021-10-21 18:59:56,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 18:59:56,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-10-21 18:59:56,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/data/e35a8b5bc/7727a0ecb2c34ec280bfdeb3ba609215/FLAG363fb1f2a [2021-10-21 18:59:56,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/data/e35a8b5bc/7727a0ecb2c34ec280bfdeb3ba609215 [2021-10-21 18:59:56,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 18:59:56,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 18:59:56,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 18:59:56,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 18:59:56,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 18:59:56,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:59:56" (1/1) ... [2021-10-21 18:59:56,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e52a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:56, skipping insertion in model container [2021-10-21 18:59:56,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:59:56" (1/1) ... [2021-10-21 18:59:56,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 18:59:56,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 18:59:56,912 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_eea798cf-f7db-4b7f-9101-c16e42251984/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-10-21 18:59:56,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:59:56,972 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 18:59:57,018 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_eea798cf-f7db-4b7f-9101-c16e42251984/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-10-21 18:59:57,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:59:57,095 INFO L208 MainTranslator]: Completed translation [2021-10-21 18:59:57,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57 WrapperNode [2021-10-21 18:59:57,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 18:59:57,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 18:59:57,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 18:59:57,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 18:59:57,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 18:59:57,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 18:59:57,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 18:59:57,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 18:59:57,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 18:59:57,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 18:59:57,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 18:59:57,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 18:59:57,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (1/1) ... [2021-10-21 18:59:57,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 18:59:57,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:57,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:57,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 18:59:57,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 18:59:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 18:59:57,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 18:59:57,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 18:59:58,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 18:59:58,370 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-10-21 18:59:58,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:58 BoogieIcfgContainer [2021-10-21 18:59:58,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 18:59:58,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 18:59:58,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 18:59:58,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 18:59:58,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 06:59:56" (1/3) ... [2021-10-21 18:59:58,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bedf5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 06:59:58, skipping insertion in model container [2021-10-21 18:59:58,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:57" (2/3) ... [2021-10-21 18:59:58,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bedf5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 06:59:58, skipping insertion in model container [2021-10-21 18:59:58,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:58" (3/3) ... [2021-10-21 18:59:58,381 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-10-21 18:59:58,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 18:59:58,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 18:59:58,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 18:59:58,440 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 18:59:58,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 18:59:58,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 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) [2021-10-21 18:59:58,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 18:59:58,464 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:58,464 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:59:58,465 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:58,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:58,470 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-10-21 18:59:58,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:58,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932227690] [2021-10-21 18:59:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:58,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:58,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:58,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932227690] [2021-10-21 18:59:58,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932227690] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:58,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:58,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 18:59:58,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589999177] [2021-10-21 18:59:58,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 18:59:58,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:58,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 18:59:58,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 18:59:58,756 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:58,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:59:58,802 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-21 18:59:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 18:59:58,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-21 18:59:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:59:58,819 INFO L225 Difference]: With dead ends: 268 [2021-10-21 18:59:58,819 INFO L226 Difference]: Without dead ends: 133 [2021-10-21 18:59:58,822 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 [2021-10-21 18:59:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-21 18:59:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-21 18:59:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 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) [2021-10-21 18:59:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-21 18:59:58,895 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-21 18:59:58,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:59:58,896 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-21 18:59:58,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-21 18:59:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 18:59:58,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:58,898 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:59:58,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 18:59:58,898 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:58,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:58,899 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-10-21 18:59:58,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:58,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870657666] [2021-10-21 18:59:58,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:58,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:59,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:59,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870657666] [2021-10-21 18:59:59,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870657666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:59,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:59,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 18:59:59,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488278617] [2021-10-21 18:59:59,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 18:59:59,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:59,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 18:59:59,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:59:59,100 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:59:59,112 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-21 18:59:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 18:59:59,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 18:59:59,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:59:59,114 INFO L225 Difference]: With dead ends: 133 [2021-10-21 18:59:59,114 INFO L226 Difference]: Without dead ends: 55 [2021-10-21 18:59:59,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:59:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-21 18:59:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-21 18:59:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 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) [2021-10-21 18:59:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-21 18:59:59,121 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-21 18:59:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:59:59,122 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-21 18:59:59,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-21 18:59:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 18:59:59,123 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:59,123 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:59:59,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 18:59:59,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:59,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:59,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-10-21 18:59:59,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:59,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081291296] [2021-10-21 18:59:59,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:59,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:59,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:59,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081291296] [2021-10-21 18:59:59,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081291296] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:59,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:59,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 18:59:59,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139640266] [2021-10-21 18:59:59,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 18:59:59,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:59,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 18:59:59,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 18:59:59,246 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:59:59,429 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-10-21 18:59:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 18:59:59,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-21 18:59:59,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:59:59,433 INFO L225 Difference]: With dead ends: 176 [2021-10-21 18:59:59,433 INFO L226 Difference]: Without dead ends: 127 [2021-10-21 18:59:59,434 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.2ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 18:59:59,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-21 18:59:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-10-21 18:59:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 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) [2021-10-21 18:59:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-21 18:59:59,445 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-21 18:59:59,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:59:59,446 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-21 18:59:59,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-21 18:59:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 18:59:59,447 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:59,447 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:59:59,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 18:59:59,448 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:59,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-10-21 18:59:59,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:59,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966407134] [2021-10-21 18:59:59,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:59,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:59,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:59,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966407134] [2021-10-21 18:59:59,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966407134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:59,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:59,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 18:59:59,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931590070] [2021-10-21 18:59:59,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 18:59:59,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:59,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 18:59:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:59:59,515 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:59:59,548 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-21 18:59:59,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 18:59:59,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 18:59:59,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:59:59,550 INFO L225 Difference]: With dead ends: 163 [2021-10-21 18:59:59,550 INFO L226 Difference]: Without dead ends: 95 [2021-10-21 18:59:59,551 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 18:59:59,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-21 18:59:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-21 18:59:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 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) [2021-10-21 18:59:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-21 18:59:59,561 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-21 18:59:59,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:59:59,562 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-21 18:59:59,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-21 18:59:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 18:59:59,563 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:59,563 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 18:59:59,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 18:59:59,569 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:59,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:59,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-10-21 18:59:59,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:59,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115004473] [2021-10-21 18:59:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:59,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:59,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:59,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115004473] [2021-10-21 18:59:59,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115004473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:59,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:59,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 18:59:59,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069231988] [2021-10-21 18:59:59,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 18:59:59,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 18:59:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 18:59:59,698 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 18:59:59,790 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2021-10-21 18:59:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 18:59:59,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-21 18:59:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 18:59:59,794 INFO L225 Difference]: With dead ends: 331 [2021-10-21 18:59:59,794 INFO L226 Difference]: Without dead ends: 244 [2021-10-21 18:59:59,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 18:59:59,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-10-21 18:59:59,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2021-10-21 18:59:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 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) [2021-10-21 18:59:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-21 18:59:59,815 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2021-10-21 18:59:59,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 18:59:59,816 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-21 18:59:59,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-10-21 18:59:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 18:59:59,818 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 18:59:59,818 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] [2021-10-21 18:59:59,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 18:59:59,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 18:59:59,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2021-10-21 18:59:59,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:59,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337313879] [2021-10-21 18:59:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:59,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:59,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:59,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 18:59:59,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337313879] [2021-10-21 18:59:59,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337313879] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 18:59:59,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 18:59:59,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 18:59:59,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524850086] [2021-10-21 18:59:59,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 18:59:59,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 18:59:59,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 18:59:59,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 18:59:59,879 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:00:00,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:00,034 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2021-10-21 19:00:00,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:00:00,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 19:00:00,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:00,037 INFO L225 Difference]: With dead ends: 327 [2021-10-21 19:00:00,038 INFO L226 Difference]: Without dead ends: 325 [2021-10-21 19:00:00,038 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 63.6ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:00:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-10-21 19:00:00,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2021-10-21 19:00:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3831168831168832) internal successors, (213), 154 states have internal predecessors, (213), 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) [2021-10-21 19:00:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2021-10-21 19:00:00,062 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2021-10-21 19:00:00,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:00,062 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2021-10-21 19:00:00,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:00:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-10-21 19:00:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:00:00,065 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:00,065 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] [2021-10-21 19:00:00,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:00:00,066 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:00,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:00,066 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2021-10-21 19:00:00,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:00,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297164987] [2021-10-21 19:00:00,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:00,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:00,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:00,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297164987] [2021-10-21 19:00:00,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297164987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:00,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:00,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:00:00,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045283039] [2021-10-21 19:00:00,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:00:00,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:00,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:00:00,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:00:00,123 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-21 19:00:00,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:00,234 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-10-21 19:00:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:00:00,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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 [2021-10-21 19:00:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:00,237 INFO L225 Difference]: With dead ends: 320 [2021-10-21 19:00:00,237 INFO L226 Difference]: Without dead ends: 233 [2021-10-21 19:00:00,238 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:00:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-10-21 19:00:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2021-10-21 19:00:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3799126637554586) internal successors, (316), 229 states have internal predecessors, (316), 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) [2021-10-21 19:00:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2021-10-21 19:00:00,263 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2021-10-21 19:00:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:00,263 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2021-10-21 19:00:00,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-21 19:00:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2021-10-21 19:00:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:00:00,266 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:00,266 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] [2021-10-21 19:00:00,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:00:00,266 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1754647538, now seen corresponding path program 1 times [2021-10-21 19:00:00,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:00,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005316065] [2021-10-21 19:00:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:00,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:00,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:00,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005316065] [2021-10-21 19:00:00,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005316065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:00,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:00,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:00:00,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021480092] [2021-10-21 19:00:00,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:00:00,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:00:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:00:00,317 INFO L87 Difference]: Start difference. First operand 230 states and 316 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2021-10-21 19:00:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:00,390 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2021-10-21 19:00:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:00:00,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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 [2021-10-21 19:00:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:00,395 INFO L225 Difference]: With dead ends: 679 [2021-10-21 19:00:00,395 INFO L226 Difference]: Without dead ends: 516 [2021-10-21 19:00:00,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-10-21 19:00:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2021-10-21 19:00:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.3711790393013101) internal successors, (314), 229 states have internal predecessors, (314), 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) [2021-10-21 19:00:00,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2021-10-21 19:00:00,422 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2021-10-21 19:00:00,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:00,423 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2021-10-21 19:00:00,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 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) [2021-10-21 19:00:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2021-10-21 19:00:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-21 19:00:00,425 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:00,425 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] [2021-10-21 19:00:00,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:00:00,425 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:00,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:00,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2021-10-21 19:00:00,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:00,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409523570] [2021-10-21 19:00:00,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:00,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:00,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:00,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409523570] [2021-10-21 19:00:00,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409523570] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:00,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:00,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:00:00,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135060044] [2021-10-21 19:00:00,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:00,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:00,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:00,499 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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) [2021-10-21 19:00:00,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:00,717 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2021-10-21 19:00:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:00:00,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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 [2021-10-21 19:00:00,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:00,721 INFO L225 Difference]: With dead ends: 505 [2021-10-21 19:00:00,721 INFO L226 Difference]: Without dead ends: 342 [2021-10-21 19:00:00,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:00:00,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-10-21 19:00:00,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2021-10-21 19:00:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.380392156862745) internal successors, (352), 255 states have internal predecessors, (352), 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) [2021-10-21 19:00:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2021-10-21 19:00:00,757 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2021-10-21 19:00:00,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:00,758 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2021-10-21 19:00:00,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 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) [2021-10-21 19:00:00,758 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2021-10-21 19:00:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:00:00,762 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:00,763 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-21 19:00:00,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:00:00,763 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:00,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2021-10-21 19:00:00,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:00,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836565444] [2021-10-21 19:00:00,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:00,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:00:00,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:00,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836565444] [2021-10-21 19:00:00,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836565444] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:00,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:00,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:00:00,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577503584] [2021-10-21 19:00:00,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:00,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:00,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:00,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:00,856 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) [2021-10-21 19:00:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:00,957 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2021-10-21 19:00:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:00:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) Word has length 54 [2021-10-21 19:00:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:00,963 INFO L225 Difference]: With dead ends: 778 [2021-10-21 19:00:00,963 INFO L226 Difference]: Without dead ends: 528 [2021-10-21 19:00:00,964 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:00:00,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-10-21 19:00:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2021-10-21 19:00:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.3674242424242424) internal successors, (361), 264 states have internal predecessors, (361), 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) [2021-10-21 19:00:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2021-10-21 19:00:01,002 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2021-10-21 19:00:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:01,002 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2021-10-21 19:00:01,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 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) [2021-10-21 19:00:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2021-10-21 19:00:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:00:01,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:01,004 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2021-10-21 19:00:01,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:00:01,005 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:01,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2021-10-21 19:00:01,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:01,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142374664] [2021-10-21 19:00:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:01,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:00:01,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:01,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142374664] [2021-10-21 19:00:01,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142374664] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:01,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:01,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:00:01,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607867721] [2021-10-21 19:00:01,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:00:01,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:01,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:00:01,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:00:01,079 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2021-10-21 19:00:01,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:01,147 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2021-10-21 19:00:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:00:01,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) Word has length 54 [2021-10-21 19:00:01,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:01,150 INFO L225 Difference]: With dead ends: 609 [2021-10-21 19:00:01,150 INFO L226 Difference]: Without dead ends: 350 [2021-10-21 19:00:01,151 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-21 19:00:01,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2021-10-21 19:00:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3408071748878925) internal successors, (299), 223 states have internal predecessors, (299), 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) [2021-10-21 19:00:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2021-10-21 19:00:01,180 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2021-10-21 19:00:01,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:01,180 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2021-10-21 19:00:01,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 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) [2021-10-21 19:00:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-10-21 19:00:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-21 19:00:01,182 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:01,182 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:00:01,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:00:01,182 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:01,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:01,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-10-21 19:00:01,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:01,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442941119] [2021-10-21 19:00:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:01,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:01,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:01,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442941119] [2021-10-21 19:00:01,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442941119] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:00:01,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786506650] [2021-10-21 19:00:01,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:01,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:00:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:00:01,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:00:01,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:00:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:01,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:00:01,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:00:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:00:01,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786506650] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:00:01,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:00:01,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-21 19:00:01,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204451065] [2021-10-21 19:00:01,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:00:01,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:00:01,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:00:01,755 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-21 19:00:01,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:01,981 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2021-10-21 19:00:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:00:01,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-10-21 19:00:01,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:01,987 INFO L225 Difference]: With dead ends: 636 [2021-10-21 19:00:01,987 INFO L226 Difference]: Without dead ends: 466 [2021-10-21 19:00:01,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 44.9ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:00:01,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-21 19:00:02,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2021-10-21 19:00:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.3394833948339484) internal successors, (363), 271 states have internal predecessors, (363), 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) [2021-10-21 19:00:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2021-10-21 19:00:02,022 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2021-10-21 19:00:02,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:02,023 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2021-10-21 19:00:02,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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) [2021-10-21 19:00:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2021-10-21 19:00:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-21 19:00:02,025 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:02,025 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:00:02,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:00:02,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 19:00:02,252 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:02,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:02,253 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2021-10-21 19:00:02,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:02,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509777584] [2021-10-21 19:00:02,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:02,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:00:02,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:02,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509777584] [2021-10-21 19:00:02,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509777584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:02,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:02,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:00:02,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305882810] [2021-10-21 19:00:02,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:02,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:02,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:02,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:02,425 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-10-21 19:00:02,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:02,895 INFO L93 Difference]: Finished difference Result 853 states and 1154 transitions. [2021-10-21 19:00:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:00:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 76 [2021-10-21 19:00:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:02,900 INFO L225 Difference]: With dead ends: 853 [2021-10-21 19:00:02,900 INFO L226 Difference]: Without dead ends: 628 [2021-10-21 19:00:02,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 96.1ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:00:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-10-21 19:00:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 376. [2021-10-21 19:00:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 375 states have (on average 1.336) internal successors, (501), 375 states have internal predecessors, (501), 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) [2021-10-21 19:00:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2021-10-21 19:00:02,965 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2021-10-21 19:00:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:02,966 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2021-10-21 19:00:02,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2021-10-21 19:00:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2021-10-21 19:00:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-21 19:00:02,967 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:00:02,967 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:00:02,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:00:02,968 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:00:02,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:00:02,968 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-10-21 19:00:02,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:00:02,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776976968] [2021-10-21 19:00:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:00:02,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:00:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:00:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-21 19:00:03,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:00:03,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776976968] [2021-10-21 19:00:03,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776976968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:00:03,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:00:03,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:00:03,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83276717] [2021-10-21 19:00:03,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:00:03,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:00:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:00:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:00:03,024 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-10-21 19:00:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:00:03,114 INFO L93 Difference]: Finished difference Result 720 states and 959 transitions. [2021-10-21 19:00:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:00:03,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 76 [2021-10-21 19:00:03,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:00:03,116 INFO L225 Difference]: With dead ends: 720 [2021-10-21 19:00:03,116 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:00:03,117 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:00:03,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:00:03,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:00:03,117 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) [2021-10-21 19:00:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:00:03,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-21 19:00:03,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:00:03,118 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:00:03,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-10-21 19:00:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:00:03,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:00:03,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:00:03,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:00:03,121 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:00:03,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:00:03,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:00:03,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:03,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:03,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:03,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:03,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:03,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:04,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:05,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:00:11,898 INFO L857 garLoopResultBuilder]: For program point L299-10(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,899 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,899 INFO L857 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,899 INFO L857 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,899 INFO L857 garLoopResultBuilder]: For program point L630-2(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,899 INFO L853 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: false [2021-10-21 19:00:11,900 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 328 336) the Hoare annotation is: false [2021-10-21 19:00:11,900 INFO L853 garLoopResultBuilder]: At program point L333-2(lines 328 336) the Hoare annotation is: false [2021-10-21 19:00:11,900 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-10-21 19:00:11,900 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 204 210) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-21 19:00:11,900 INFO L853 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))))) [2021-10-21 19:00:11,900 INFO L853 garLoopResultBuilder]: At program point L598-1(lines 593 601) the Hoare annotation is: false [2021-10-21 19:00:11,901 INFO L853 garLoopResultBuilder]: At program point L598-2(lines 593 601) the Hoare annotation is: false [2021-10-21 19:00:11,901 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2021-10-21 19:00:11,902 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 109) no Hoare annotation was computed. [2021-10-21 19:00:11,903 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 109) no Hoare annotation was computed. [2021-10-21 19:00:11,903 INFO L853 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: false [2021-10-21 19:00:11,903 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 561 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) [2021-10-21 19:00:11,903 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 561 569) the Hoare annotation is: false [2021-10-21 19:00:11,905 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 561 569) the Hoare annotation is: false [2021-10-21 19:00:11,905 INFO L853 garLoopResultBuilder]: At program point L566-4(lines 561 569) the Hoare annotation is: false [2021-10-21 19:00:11,905 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,906 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 561 569) the Hoare annotation is: false [2021-10-21 19:00:11,906 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,906 INFO L857 garLoopResultBuilder]: For program point L401-3(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,906 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,906 INFO L857 garLoopResultBuilder]: For program point L401-5(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,906 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,907 INFO L857 garLoopResultBuilder]: For program point L401-6(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,907 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,908 INFO L857 garLoopResultBuilder]: For program point L236-3(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,909 INFO L857 garLoopResultBuilder]: For program point L401-8(lines 401 405) no Hoare annotation was computed. [2021-10-21 19:00:11,909 INFO L857 garLoopResultBuilder]: For program point L236-4(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,909 INFO L857 garLoopResultBuilder]: For program point L236-5(lines 236 253) no Hoare annotation was computed. [2021-10-21 19:00:11,910 INFO L853 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2021-10-21 19:00:11,910 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-10-21 19:00:11,910 INFO L853 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-10-21 19:00:11,910 INFO L853 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-10-21 19:00:11,910 INFO L853 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: false [2021-10-21 19:00:11,910 INFO L857 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,910 INFO L857 garLoopResultBuilder]: For program point L240-1(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,912 INFO L857 garLoopResultBuilder]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point L240-3(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point L240-4(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 999) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point L240-5(lines 240 248) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-10-21 19:00:11,913 INFO L853 garLoopResultBuilder]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-21 19:00:11,913 INFO L853 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-10-21 19:00:11,913 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 392 410) the Hoare annotation is: false [2021-10-21 19:00:11,913 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 392 410) the Hoare annotation is: false [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606-2(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606-3(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606-4(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L606-5(lines 606 612) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 204 210) no Hoare annotation was computed. [2021-10-21 19:00:11,914 INFO L853 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-21 19:00:11,914 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-10-21 19:00:11,914 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-10-21 19:00:11,914 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-10-21 19:00:11,915 INFO L860 garLoopResultBuilder]: At program point L509-1(lines 509 516) the Hoare annotation is: true [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: false [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 602 615) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse2))) [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611-2(lines 602 615) the Hoare annotation is: false [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611-3(lines 602 615) the Hoare annotation is: false [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611-4(lines 602 615) the Hoare annotation is: false [2021-10-21 19:00:11,915 INFO L853 garLoopResultBuilder]: At program point L611-5(lines 602 615) the Hoare annotation is: false [2021-10-21 19:00:11,916 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:00:11,916 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2021-10-21 19:00:11,916 INFO L853 garLoopResultBuilder]: At program point L415-1(lines 415 421) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-10-21 19:00:11,916 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,916 INFO L857 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,916 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,916 INFO L857 garLoopResultBuilder]: For program point L382-5(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,917 INFO L857 garLoopResultBuilder]: For program point L382-6(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,917 INFO L857 garLoopResultBuilder]: For program point L382-8(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-9(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-11(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-12(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-14(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-15(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point L382-17(lines 382 386) no Hoare annotation was computed. [2021-10-21 19:00:11,918 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:00:11,919 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2021-10-21 19:00:11,919 INFO L853 garLoopResultBuilder]: At program point L152-1(lines 152 158) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse4) (and .cse0 .cse1 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-10-21 19:00:11,919 INFO L860 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2021-10-21 19:00:11,919 INFO L853 garLoopResultBuilder]: At program point L486(lines 482 488) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:00:11,919 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-10-21 19:00:11,919 INFO L853 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: false [2021-10-21 19:00:11,920 INFO L853 garLoopResultBuilder]: At program point L388-1(lines 373 391) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (<= 1 ~waterLevel~0) .cse2) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2))) [2021-10-21 19:00:11,920 INFO L853 garLoopResultBuilder]: At program point L388-2(lines 373 391) the Hoare annotation is: false [2021-10-21 19:00:11,920 INFO L853 garLoopResultBuilder]: At program point L388-3(lines 373 391) the Hoare annotation is: false [2021-10-21 19:00:11,920 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:00:11,922 INFO L853 garLoopResultBuilder]: At program point L388-4(lines 373 391) the Hoare annotation is: false [2021-10-21 19:00:11,922 INFO L853 garLoopResultBuilder]: At program point L388-5(lines 373 391) the Hoare annotation is: false [2021-10-21 19:00:11,922 INFO L853 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-10-21 19:00:11,922 INFO L853 garLoopResultBuilder]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2021-10-21 19:00:11,922 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: false [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 317 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0))) [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 317 327) the Hoare annotation is: false [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 317 327) the Hoare annotation is: false [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324-4(lines 317 327) the Hoare annotation is: false [2021-10-21 19:00:11,923 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 317 327) the Hoare annotation is: false [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point L262-1(lines 262 279) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point L262-2(lines 262 279) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:00:11,924 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-10-21 19:00:11,925 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2021-10-21 19:00:11,925 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 1 999) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~waterLevel~0 1) .cse2) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2))) [2021-10-21 19:00:11,925 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 112) no Hoare annotation was computed. [2021-10-21 19:00:11,925 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 1 999) the Hoare annotation is: false [2021-10-21 19:00:11,925 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 112) no Hoare annotation was computed. [2021-10-21 19:00:11,925 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 1 999) the Hoare annotation is: false [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L529-3(lines 529 533) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L529-6(lines 529 533) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2021-10-21 19:00:11,926 INFO L857 garLoopResultBuilder]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L266-1(lines 266 274) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L299-4(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L299-6(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,927 INFO L857 garLoopResultBuilder]: For program point L299-8(lines 299 305) no Hoare annotation was computed. [2021-10-21 19:00:11,932 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:00:11,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:00:11 BoogieIcfgContainer [2021-10-21 19:00:11,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:00:11,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:00:11,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:00:11,977 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:00:11,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:58" (3/4) ... [2021-10-21 19:00:11,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:00:12,007 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:00:12,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:00:12,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:00:12,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:00:12,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:00:12,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:00:12,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:00:12,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && waterLevel == 1 [2021-10-21 19:00:12,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1 [2021-10-21 19:00:12,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 2 <= tmp) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) [2021-10-21 19:00:12,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) [2021-10-21 19:00:12,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) [2021-10-21 19:00:12,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) [2021-10-21 19:00:12,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) [2021-10-21 19:00:12,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-10-21 19:00:12,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) [2021-10-21 19:00:12,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && !(0 == systemActive) [2021-10-21 19:00:12,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive)) [2021-10-21 19:00:12,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) [2021-10-21 19:00:12,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) [2021-10-21 19:00:12,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:00:12,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:00:12,159 INFO L168 Benchmark]: Toolchain (without parser) took 15580.32 ms. Allocated memory was 153.1 MB in the beginning and 327.2 MB in the end (delta: 174.1 MB). Free memory was 121.3 MB in the beginning and 186.9 MB in the end (delta: -65.7 MB). Peak memory consumption was 108.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,159 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:00:12,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.06 ms. Allocated memory is still 153.1 MB. Free memory was 120.9 MB in the beginning and 120.8 MB in the end (delta: 62.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.16 ms. Allocated memory is still 153.1 MB. Free memory was 120.8 MB in the beginning and 116.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,161 INFO L168 Benchmark]: Boogie Preprocessor took 67.00 ms. Allocated memory is still 153.1 MB. Free memory was 116.7 MB in the beginning and 113.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,161 INFO L168 Benchmark]: RCFGBuilder took 1129.21 ms. Allocated memory is still 153.1 MB. Free memory was 113.8 MB in the beginning and 110.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,162 INFO L168 Benchmark]: TraceAbstraction took 13600.82 ms. Allocated memory was 153.1 MB in the beginning and 327.2 MB in the end (delta: 174.1 MB). Free memory was 110.3 MB in the beginning and 198.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,162 INFO L168 Benchmark]: Witness Printer took 180.93 ms. Allocated memory is still 327.2 MB. Free memory was 198.4 MB in the beginning and 186.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:00:12,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 46.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.06 ms. Allocated memory is still 153.1 MB. Free memory was 120.9 MB in the beginning and 120.8 MB in the end (delta: 62.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.16 ms. Allocated memory is still 153.1 MB. Free memory was 120.8 MB in the beginning and 116.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.00 ms. Allocated memory is still 153.1 MB. Free memory was 116.7 MB in the beginning and 113.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1129.21 ms. Allocated memory is still 153.1 MB. Free memory was 113.8 MB in the beginning and 110.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13600.82 ms. Allocated memory was 153.1 MB in the beginning and 327.2 MB in the end (delta: 174.1 MB). Free memory was 110.3 MB in the beginning and 198.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 149.1 MB. Max. memory is 16.1 GB. * Witness Printer took 180.93 ms. Allocated memory is still 327.2 MB. Free memory was 198.4 MB in the beginning and 186.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13499.3ms, OverallIterations: 14, TraceHistogramMax: 3, EmptinessCheckTime: 29.6ms, AutomataDifference: 1988.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8776.1ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1761 SDtfs, 2317 SDslu, 2834 SDs, 0 SdLazy, 389 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 833.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 363.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 377.8ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1524 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 198 NumberOfFragments, 552 HoareAnnotationTreeSize, 56 FomulaSimplifications, 907564 FormulaSimplificationTreeSizeReduction, 2814.5ms HoareSimplificationTime, 56 FomulaSimplificationsInter, 926694 FormulaSimplificationTreeSizeReductionInter, 5940.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 116.2ms SsaConstructionTime, 501.4ms SatisfiabilityAnalysisTime, 1111.9ms InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 1028 SizeOfPredicates, 3 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 <= waterLevel) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1)) || ((splverifierCounter == 0 && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 2 <= tmp) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 1 <= \result) || (((((splverifierCounter == 0 && 2 <= waterLevel) && tmp == 0) && 2 <= \result) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && !(0 == systemActive))) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 0) && \result == 0) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-10-21 19:00:12,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eea798cf-f7db-4b7f-9101-c16e42251984/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...