./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:19:07,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:19:07,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:19:07,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:19:07,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:19:07,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:19:07,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:19:07,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:19:07,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:19:07,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:19:07,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:19:07,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:19:07,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:19:07,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:19:07,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:19:07,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:19:07,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:19:07,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:19:07,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:19:07,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:19:07,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:19:07,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:19:07,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:19:07,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:19:07,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:19:07,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:19:07,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:19:07,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:19:07,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:19:07,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:19:07,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:19:07,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:19:07,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:19:07,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:19:07,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:19:07,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:19:07,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:19:07,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:19:07,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:19:07,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:19:07,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:19:07,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:19:07,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:19:07,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:19:07,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:19:07,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:19:07,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:19:07,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:19:07,587 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:19:07,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:19:07,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:19:07,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:19:07,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:19:07,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:19:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:19:07,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:19:07,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:19:07,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:19:07,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:19:07,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:19:07,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:19:07,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:19:07,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:19:07,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:19:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:19:07,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:19:07,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:19:07,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:19:07,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:19:07,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:19:07,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:19:07,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:19:07,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:19:07,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:19:07,599 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_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe4e112dd25c1caa635eb1a2c906a56d69959b0318728ac62beee521af0cbe1a [2021-11-09 09:19:07,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:19:07,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:19:07,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:19:07,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:19:07,960 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:19:07,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-11-09 09:19:08,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/data/2f78d57de/9119926702be445fb3849e80d95a6775/FLAGbd14496f4 [2021-11-09 09:19:08,909 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:19:08,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/sv-benchmarks/c/eca-rers2012/Problem16_label12.c [2021-11-09 09:19:08,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/data/2f78d57de/9119926702be445fb3849e80d95a6775/FLAGbd14496f4 [2021-11-09 09:19:09,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/data/2f78d57de/9119926702be445fb3849e80d95a6775 [2021-11-09 09:19:09,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:19:09,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:19:09,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:19:09,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:19:09,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:19:09,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:19:09" (1/1) ... [2021-11-09 09:19:09,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f0618f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:09, skipping insertion in model container [2021-11-09 09:19:09,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:19:09" (1/1) ... [2021-11-09 09:19:09,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:19:09,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:19:09,422 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_879e2de2-141a-44e9-9bcd-3985c7fed8f4/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-11-09 09:19:09,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:19:10,006 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:19:10,039 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_879e2de2-141a-44e9-9bcd-3985c7fed8f4/sv-benchmarks/c/eca-rers2012/Problem16_label12.c[4229,4242] [2021-11-09 09:19:10,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:19:10,306 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:19:10,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10 WrapperNode [2021-11-09 09:19:10,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:19:10,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:19:10,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:19:10,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:19:10,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:19:10,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:19:10,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:19:10,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:19:10,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:19:10,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:19:10,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:19:10,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:19:10,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (1/1) ... [2021-11-09 09:19:10,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:19:10,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:19:10,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:19:10,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:19:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:19:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:19:10,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:19:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:19:13,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:19:13,228 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-09 09:19:13,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:19:13 BoogieIcfgContainer [2021-11-09 09:19:13,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:19:13,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:19:13,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:19:13,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:19:13,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:19:09" (1/3) ... [2021-11-09 09:19:13,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b8830f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:19:13, skipping insertion in model container [2021-11-09 09:19:13,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:19:10" (2/3) ... [2021-11-09 09:19:13,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b8830f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:19:13, skipping insertion in model container [2021-11-09 09:19:13,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:19:13" (3/3) ... [2021-11-09 09:19:13,243 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label12.c [2021-11-09 09:19:13,252 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:19:13,252 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 09:19:13,319 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:19:13,327 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:19:13,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 09:19:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-09 09:19:13,386 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:13,387 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:13,387 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:13,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2021-11-09 09:19:13,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:13,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169964368] [2021-11-09 09:19:13,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:13,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:19:13,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:13,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169964368] [2021-11-09 09:19:13,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169964368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:13,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:13,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:13,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038933512] [2021-11-09 09:19:13,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:19:13,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:13,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:19:13,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:13,824 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:17,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:17,820 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-11-09 09:19:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:19:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-11-09 09:19:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:17,848 INFO L225 Difference]: With dead ends: 1456 [2021-11-09 09:19:17,848 INFO L226 Difference]: Without dead ends: 991 [2021-11-09 09:19:17,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:19:17,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-11-09 09:19:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-11-09 09:19:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.4858585858585858) internal successors, (1471), 990 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1471 transitions. [2021-11-09 09:19:17,961 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1471 transitions. Word has length 39 [2021-11-09 09:19:17,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:17,961 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1471 transitions. [2021-11-09 09:19:17,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1471 transitions. [2021-11-09 09:19:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-09 09:19:17,968 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:17,968 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:17,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:19:17,969 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:17,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:17,969 INFO L85 PathProgramCache]: Analyzing trace with hash -586498173, now seen corresponding path program 1 times [2021-11-09 09:19:17,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:17,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558814860] [2021-11-09 09:19:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:17,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-09 09:19:18,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:18,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558814860] [2021-11-09 09:19:18,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558814860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:18,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:18,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:19:18,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150469543] [2021-11-09 09:19:18,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:18,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:18,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:18,117 INFO L87 Difference]: Start difference. First operand 991 states and 1471 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:19,848 INFO L93 Difference]: Finished difference Result 2309 states and 3726 transitions. [2021-11-09 09:19:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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 126 [2021-11-09 09:19:19,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:19,859 INFO L225 Difference]: With dead ends: 2309 [2021-11-09 09:19:19,860 INFO L226 Difference]: Without dead ends: 1649 [2021-11-09 09:19:19,862 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-11-09 09:19:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-11-09 09:19:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.379247572815534) internal successors, (2273), 1648 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2273 transitions. [2021-11-09 09:19:19,927 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2273 transitions. Word has length 126 [2021-11-09 09:19:19,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:19,940 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2273 transitions. [2021-11-09 09:19:19,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2273 transitions. [2021-11-09 09:19:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-09 09:19:19,949 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:19,949 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:19,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:19:19,950 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:19,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:19,951 INFO L85 PathProgramCache]: Analyzing trace with hash 881646845, now seen corresponding path program 1 times [2021-11-09 09:19:19,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:19,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773881278] [2021-11-09 09:19:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:19,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-09 09:19:20,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:20,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773881278] [2021-11-09 09:19:20,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773881278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:20,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:20,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:19:20,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138307945] [2021-11-09 09:19:20,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:20,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:20,200 INFO L87 Difference]: Start difference. First operand 1649 states and 2273 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:21,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:21,796 INFO L93 Difference]: Finished difference Result 4283 states and 6132 transitions. [2021-11-09 09:19:21,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:21,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 205 [2021-11-09 09:19:21,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:21,818 INFO L225 Difference]: With dead ends: 4283 [2021-11-09 09:19:21,818 INFO L226 Difference]: Without dead ends: 2965 [2021-11-09 09:19:21,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:21,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2021-11-09 09:19:21,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2636. [2021-11-09 09:19:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3400379506641367) internal successors, (3531), 2635 states have internal predecessors, (3531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3531 transitions. [2021-11-09 09:19:21,891 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3531 transitions. Word has length 205 [2021-11-09 09:19:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:21,893 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3531 transitions. [2021-11-09 09:19:21,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3531 transitions. [2021-11-09 09:19:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-09 09:19:21,900 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:21,901 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:21,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:19:21,901 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:21,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash 189897183, now seen corresponding path program 1 times [2021-11-09 09:19:21,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:21,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790883518] [2021-11-09 09:19:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:21,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-09 09:19:22,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:22,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790883518] [2021-11-09 09:19:22,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790883518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:22,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:22,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:19:22,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524705515] [2021-11-09 09:19:22,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:22,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:22,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:22,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:22,114 INFO L87 Difference]: Start difference. First operand 2636 states and 3531 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:23,472 INFO L93 Difference]: Finished difference Result 5599 states and 7527 transitions. [2021-11-09 09:19:23,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:23,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 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 281 [2021-11-09 09:19:23,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:23,499 INFO L225 Difference]: With dead ends: 5599 [2021-11-09 09:19:23,499 INFO L226 Difference]: Without dead ends: 3294 [2021-11-09 09:19:23,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-11-09 09:19:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-11-09 09:19:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.2247191011235956) internal successors, (4033), 3293 states have internal predecessors, (4033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4033 transitions. [2021-11-09 09:19:23,591 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4033 transitions. Word has length 281 [2021-11-09 09:19:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:23,592 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 4033 transitions. [2021-11-09 09:19:23,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 2 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4033 transitions. [2021-11-09 09:19:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-09 09:19:23,606 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:23,606 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:23,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:19:23,607 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:23,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:23,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1532946731, now seen corresponding path program 1 times [2021-11-09 09:19:23,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:23,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69251692] [2021-11-09 09:19:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:23,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-09 09:19:23,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:23,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69251692] [2021-11-09 09:19:23,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69251692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:23,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:23,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:23,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164592845] [2021-11-09 09:19:23,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:23,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:23,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:23,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:23,837 INFO L87 Difference]: Start difference. First operand 3294 states and 4033 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:25,216 INFO L93 Difference]: Finished difference Result 6586 states and 8076 transitions. [2021-11-09 09:19:25,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:25,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 458 [2021-11-09 09:19:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:25,234 INFO L225 Difference]: With dead ends: 6586 [2021-11-09 09:19:25,234 INFO L226 Difference]: Without dead ends: 3294 [2021-11-09 09:19:25,238 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:25,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2021-11-09 09:19:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2021-11-09 09:19:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3293 states have (on average 1.0567871242028546) internal successors, (3480), 3293 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3480 transitions. [2021-11-09 09:19:25,311 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3480 transitions. Word has length 458 [2021-11-09 09:19:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:25,312 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 3480 transitions. [2021-11-09 09:19:25,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3480 transitions. [2021-11-09 09:19:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-09 09:19:25,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:25,325 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:25,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:19:25,325 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:25,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:25,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1102512814, now seen corresponding path program 1 times [2021-11-09 09:19:25,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:25,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320226855] [2021-11-09 09:19:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:25,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-09 09:19:25,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:25,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320226855] [2021-11-09 09:19:25,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320226855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:25,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:25,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:25,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672547280] [2021-11-09 09:19:25,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:19:25,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:19:25,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:25,627 INFO L87 Difference]: Start difference. First operand 3294 states and 3480 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:27,598 INFO L93 Difference]: Finished difference Result 10865 states and 11555 transitions. [2021-11-09 09:19:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:19:27,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 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 510 [2021-11-09 09:19:27,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:27,642 INFO L225 Difference]: With dead ends: 10865 [2021-11-09 09:19:27,642 INFO L226 Difference]: Without dead ends: 7573 [2021-11-09 09:19:27,647 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:27,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7573 states. [2021-11-09 09:19:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7573 to 7242. [2021-11-09 09:19:27,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0552409888136998) internal successors, (7641), 7241 states have internal predecessors, (7641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7641 transitions. [2021-11-09 09:19:27,807 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7641 transitions. Word has length 510 [2021-11-09 09:19:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:27,808 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 7641 transitions. [2021-11-09 09:19:27,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 3 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7641 transitions. [2021-11-09 09:19:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-11-09 09:19:27,828 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:27,829 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:27,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:19:27,829 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:27,830 INFO L85 PathProgramCache]: Analyzing trace with hash -451046307, now seen corresponding path program 1 times [2021-11-09 09:19:27,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:27,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336155884] [2021-11-09 09:19:27,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:27,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-09 09:19:28,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:28,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336155884] [2021-11-09 09:19:28,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336155884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:28,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:28,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:19:28,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682836826] [2021-11-09 09:19:28,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:28,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:28,150 INFO L87 Difference]: Start difference. First operand 7242 states and 7641 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:29,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:29,253 INFO L93 Difference]: Finished difference Result 16787 states and 17749 transitions. [2021-11-09 09:19:29,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:29,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 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 606 [2021-11-09 09:19:29,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:29,298 INFO L225 Difference]: With dead ends: 16787 [2021-11-09 09:19:29,299 INFO L226 Difference]: Without dead ends: 9876 [2021-11-09 09:19:29,307 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:29,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9876 states. [2021-11-09 09:19:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9876 to 9545. [2021-11-09 09:19:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0550083822296732) internal successors, (10069), 9544 states have internal predecessors, (10069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10069 transitions. [2021-11-09 09:19:29,546 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10069 transitions. Word has length 606 [2021-11-09 09:19:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:29,547 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 10069 transitions. [2021-11-09 09:19:29,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 2 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10069 transitions. [2021-11-09 09:19:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-09 09:19:29,557 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:29,557 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:29,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 09:19:29,558 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:29,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash -720940559, now seen corresponding path program 1 times [2021-11-09 09:19:29,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:29,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918758330] [2021-11-09 09:19:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:29,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2021-11-09 09:19:29,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:29,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918758330] [2021-11-09 09:19:29,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918758330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:29,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:29,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:29,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922480901] [2021-11-09 09:19:29,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:29,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:29,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:29,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:29,823 INFO L87 Difference]: Start difference. First operand 9545 states and 10069 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:31,038 INFO L93 Difference]: Finished difference Result 22378 states and 23757 transitions. [2021-11-09 09:19:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:31,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 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 614 [2021-11-09 09:19:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:31,085 INFO L225 Difference]: With dead ends: 22378 [2021-11-09 09:19:31,086 INFO L226 Difference]: Without dead ends: 13164 [2021-11-09 09:19:31,095 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:31,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-11-09 09:19:31,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-11-09 09:19:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0581174504292334) internal successors, (13928), 13163 states have internal predecessors, (13928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13928 transitions. [2021-11-09 09:19:31,326 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13928 transitions. Word has length 614 [2021-11-09 09:19:31,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:31,327 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13928 transitions. [2021-11-09 09:19:31,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:31,328 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13928 transitions. [2021-11-09 09:19:31,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2021-11-09 09:19:31,347 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:31,347 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:31,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:19:31,348 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:31,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash -18969889, now seen corresponding path program 1 times [2021-11-09 09:19:31,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:31,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476921006] [2021-11-09 09:19:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:31,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1104 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-11-09 09:19:31,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:31,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476921006] [2021-11-09 09:19:31,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476921006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:31,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:31,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:31,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489901985] [2021-11-09 09:19:31,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:19:31,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:31,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:19:31,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:31,764 INFO L87 Difference]: Start difference. First operand 13164 states and 13928 transitions. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:32,975 INFO L93 Difference]: Finished difference Result 25668 states and 27187 transitions. [2021-11-09 09:19:32,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:32,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 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 871 [2021-11-09 09:19:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:33,002 INFO L225 Difference]: With dead ends: 25668 [2021-11-09 09:19:33,003 INFO L226 Difference]: Without dead ends: 13164 [2021-11-09 09:19:33,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:33,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-11-09 09:19:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-11-09 09:19:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0578895388589227) internal successors, (13925), 13163 states have internal predecessors, (13925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13925 transitions. [2021-11-09 09:19:33,304 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13925 transitions. Word has length 871 [2021-11-09 09:19:33,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:33,305 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13925 transitions. [2021-11-09 09:19:33,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13925 transitions. [2021-11-09 09:19:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2021-11-09 09:19:33,326 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:33,327 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:33,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:19:33,328 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:33,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:33,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2033206127, now seen corresponding path program 1 times [2021-11-09 09:19:33,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:33,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081111207] [2021-11-09 09:19:33,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:33,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 1157 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2021-11-09 09:19:33,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:33,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081111207] [2021-11-09 09:19:33,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081111207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:33,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:33,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:33,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508886027] [2021-11-09 09:19:33,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:33,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:33,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:33,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:33,832 INFO L87 Difference]: Start difference. First operand 13164 states and 13925 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:34,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:34,982 INFO L93 Difference]: Finished difference Result 28629 states and 30371 transitions. [2021-11-09 09:19:34,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:34,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 932 [2021-11-09 09:19:34,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:35,033 INFO L225 Difference]: With dead ends: 28629 [2021-11-09 09:19:35,034 INFO L226 Difference]: Without dead ends: 16125 [2021-11-09 09:19:35,044 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:35,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-11-09 09:19:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15467. [2021-11-09 09:19:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.046295098926678) internal successors, (16182), 15466 states have internal predecessors, (16182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 16182 transitions. [2021-11-09 09:19:35,333 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 16182 transitions. Word has length 932 [2021-11-09 09:19:35,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:35,335 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 16182 transitions. [2021-11-09 09:19:35,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 16182 transitions. [2021-11-09 09:19:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2021-11-09 09:19:35,357 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:35,358 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:35,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 09:19:35,359 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:35,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:35,360 INFO L85 PathProgramCache]: Analyzing trace with hash -314106758, now seen corresponding path program 1 times [2021-11-09 09:19:35,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:35,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995385729] [2021-11-09 09:19:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:35,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-11-09 09:19:35,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:35,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995385729] [2021-11-09 09:19:35,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995385729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:35,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:35,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:35,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871471411] [2021-11-09 09:19:35,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:35,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:35,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:35,826 INFO L87 Difference]: Start difference. First operand 15467 states and 16182 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:36,874 INFO L93 Difference]: Finished difference Result 31590 states and 33080 transitions. [2021-11-09 09:19:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:36,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 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 933 [2021-11-09 09:19:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:36,904 INFO L225 Difference]: With dead ends: 31590 [2021-11-09 09:19:36,905 INFO L226 Difference]: Without dead ends: 16783 [2021-11-09 09:19:36,918 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:36,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-11-09 09:19:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16125. [2021-11-09 09:19:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.03870007442322) internal successors, (16748), 16124 states have internal predecessors, (16748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16748 transitions. [2021-11-09 09:19:37,215 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16748 transitions. Word has length 933 [2021-11-09 09:19:37,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:37,217 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16748 transitions. [2021-11-09 09:19:37,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16748 transitions. [2021-11-09 09:19:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2021-11-09 09:19:37,239 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:37,241 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:37,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 09:19:37,242 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:37,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:37,243 INFO L85 PathProgramCache]: Analyzing trace with hash -297321193, now seen corresponding path program 1 times [2021-11-09 09:19:37,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:37,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235687937] [2021-11-09 09:19:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:37,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1959 backedges. 1258 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2021-11-09 09:19:37,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:37,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235687937] [2021-11-09 09:19:37,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235687937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:37,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:37,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:37,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793470975] [2021-11-09 09:19:37,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:37,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:37,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:37,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:37,742 INFO L87 Difference]: Start difference. First operand 16125 states and 16748 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:38,807 INFO L93 Difference]: Finished difference Result 31919 states and 33160 transitions. [2021-11-09 09:19:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:38,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 962 [2021-11-09 09:19:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:38,836 INFO L225 Difference]: With dead ends: 31919 [2021-11-09 09:19:38,837 INFO L226 Difference]: Without dead ends: 16125 [2021-11-09 09:19:38,843 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:38,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-11-09 09:19:39,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-11-09 09:19:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.02880658436214) internal successors, (16250), 15795 states have internal predecessors, (16250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16250 transitions. [2021-11-09 09:19:39,121 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16250 transitions. Word has length 962 [2021-11-09 09:19:39,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:39,124 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16250 transitions. [2021-11-09 09:19:39,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16250 transitions. [2021-11-09 09:19:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-11-09 09:19:39,153 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:39,153 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:39,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 09:19:39,154 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1110562052, now seen corresponding path program 1 times [2021-11-09 09:19:39,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:39,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556549335] [2021-11-09 09:19:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:39,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2181 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 1960 trivial. 0 not checked. [2021-11-09 09:19:39,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:39,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556549335] [2021-11-09 09:19:39,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556549335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:39,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:39,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:39,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949491883] [2021-11-09 09:19:39,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:39,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:39,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:39,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:39,700 INFO L87 Difference]: Start difference. First operand 15796 states and 16250 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:40,642 INFO L93 Difference]: Finished difference Result 32906 states and 33892 transitions. [2021-11-09 09:19:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:40,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 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 1020 [2021-11-09 09:19:40,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:40,664 INFO L225 Difference]: With dead ends: 32906 [2021-11-09 09:19:40,664 INFO L226 Difference]: Without dead ends: 17770 [2021-11-09 09:19:40,673 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-11-09 09:19:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-11-09 09:19:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0288990825688074) internal successors, (17944), 17440 states have internal predecessors, (17944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 17944 transitions. [2021-11-09 09:19:40,920 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 17944 transitions. Word has length 1020 [2021-11-09 09:19:40,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:40,921 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 17944 transitions. [2021-11-09 09:19:40,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 17944 transitions. [2021-11-09 09:19:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2021-11-09 09:19:40,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:40,946 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:40,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 09:19:40,947 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:40,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash 64901029, now seen corresponding path program 1 times [2021-11-09 09:19:40,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:40,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060572488] [2021-11-09 09:19:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:40,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2038 backedges. 939 proven. 0 refuted. 0 times theorem prover too weak. 1099 trivial. 0 not checked. [2021-11-09 09:19:41,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:41,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060572488] [2021-11-09 09:19:41,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060572488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:41,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:41,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:41,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948593516] [2021-11-09 09:19:41,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:41,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:41,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:41,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:41,509 INFO L87 Difference]: Start difference. First operand 17441 states and 17944 transitions. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:42,630 INFO L93 Difference]: Finished difference Result 34222 states and 35222 transitions. [2021-11-09 09:19:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:42,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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 1114 [2021-11-09 09:19:42,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:42,650 INFO L225 Difference]: With dead ends: 34222 [2021-11-09 09:19:42,651 INFO L226 Difference]: Without dead ends: 17441 [2021-11-09 09:19:42,661 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:42,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-11-09 09:19:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 17112. [2021-11-09 09:19:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0251300333119047) internal successors, (17541), 17111 states have internal predecessors, (17541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17541 transitions. [2021-11-09 09:19:42,894 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17541 transitions. Word has length 1114 [2021-11-09 09:19:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:42,895 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17541 transitions. [2021-11-09 09:19:42,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17541 transitions. [2021-11-09 09:19:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1273 [2021-11-09 09:19:42,969 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:42,970 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:42,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 09:19:42,971 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:42,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:42,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1991660531, now seen corresponding path program 1 times [2021-11-09 09:19:42,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:42,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396754914] [2021-11-09 09:19:42,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:42,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2860 backedges. 1118 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-11-09 09:19:43,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:43,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396754914] [2021-11-09 09:19:43,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396754914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:43,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:43,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:43,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814364899] [2021-11-09 09:19:43,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:43,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:43,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:43,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:43,537 INFO L87 Difference]: Start difference. First operand 17112 states and 17541 transitions. Second operand has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:44,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:44,511 INFO L93 Difference]: Finished difference Result 33893 states and 34749 transitions. [2021-11-09 09:19:44,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:44,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 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 1272 [2021-11-09 09:19:44,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:44,533 INFO L225 Difference]: With dead ends: 33893 [2021-11-09 09:19:44,533 INFO L226 Difference]: Without dead ends: 17112 [2021-11-09 09:19:44,542 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-11-09 09:19:44,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-11-09 09:19:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.021974168663433) internal successors, (17487), 17111 states have internal predecessors, (17487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17487 transitions. [2021-11-09 09:19:44,908 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17487 transitions. Word has length 1272 [2021-11-09 09:19:44,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:44,910 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17487 transitions. [2021-11-09 09:19:44,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.0) internal successors, (507), 3 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17487 transitions. [2021-11-09 09:19:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2021-11-09 09:19:44,947 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:44,948 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:44,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 09:19:44,949 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:44,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1493056288, now seen corresponding path program 1 times [2021-11-09 09:19:44,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:44,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058605523] [2021-11-09 09:19:44,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:44,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3896 backedges. 1311 proven. 0 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2021-11-09 09:19:45,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:45,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058605523] [2021-11-09 09:19:45,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058605523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:45,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:45,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:45,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263239203] [2021-11-09 09:19:45,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:45,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:45,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:45,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:45,622 INFO L87 Difference]: Start difference. First operand 17112 states and 17487 transitions. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:46,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:46,928 INFO L93 Difference]: Finished difference Result 37183 states and 38042 transitions. [2021-11-09 09:19:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:46,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 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 1320 [2021-11-09 09:19:46,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:46,944 INFO L225 Difference]: With dead ends: 37183 [2021-11-09 09:19:46,944 INFO L226 Difference]: Without dead ends: 18428 [2021-11-09 09:19:46,955 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18428 states. [2021-11-09 09:19:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18428 to 16454. [2021-11-09 09:19:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0203610283838813) internal successors, (16788), 16453 states have internal predecessors, (16788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16788 transitions. [2021-11-09 09:19:47,291 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16788 transitions. Word has length 1320 [2021-11-09 09:19:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:47,292 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16788 transitions. [2021-11-09 09:19:47,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16788 transitions. [2021-11-09 09:19:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1812 [2021-11-09 09:19:47,325 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:47,326 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:47,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 09:19:47,327 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:47,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:47,328 INFO L85 PathProgramCache]: Analyzing trace with hash 784935058, now seen corresponding path program 1 times [2021-11-09 09:19:47,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:47,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000681365] [2021-11-09 09:19:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:47,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3509 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2021-11-09 09:19:48,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:48,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000681365] [2021-11-09 09:19:48,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000681365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:48,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:48,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:48,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904486348] [2021-11-09 09:19:48,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:48,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:48,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:48,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:48,203 INFO L87 Difference]: Start difference. First operand 16454 states and 16788 transitions. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:49,196 INFO L93 Difference]: Finished difference Result 32248 states and 32912 transitions. [2021-11-09 09:19:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:49,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 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 1811 [2021-11-09 09:19:49,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:49,210 INFO L225 Difference]: With dead ends: 32248 [2021-11-09 09:19:49,210 INFO L226 Difference]: Without dead ends: 16454 [2021-11-09 09:19:49,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-11-09 09:19:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 15467. [2021-11-09 09:19:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.0177809388335703) internal successors, (15741), 15466 states have internal predecessors, (15741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15741 transitions. [2021-11-09 09:19:49,458 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15741 transitions. Word has length 1811 [2021-11-09 09:19:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:49,460 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15741 transitions. [2021-11-09 09:19:49,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15741 transitions. [2021-11-09 09:19:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1860 [2021-11-09 09:19:49,500 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:49,502 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1] [2021-11-09 09:19:49,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-09 09:19:49,502 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:49,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:49,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1186956703, now seen corresponding path program 1 times [2021-11-09 09:19:49,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:49,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637101382] [2021-11-09 09:19:49,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:49,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6705 backedges. 4035 proven. 0 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2021-11-09 09:19:50,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:50,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637101382] [2021-11-09 09:19:50,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637101382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:50,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:50,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:50,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048320666] [2021-11-09 09:19:50,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:50,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:50,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:50,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:50,328 INFO L87 Difference]: Start difference. First operand 15467 states and 15741 transitions. Second operand has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:51,372 INFO L93 Difference]: Finished difference Result 30603 states and 31149 transitions. [2021-11-09 09:19:51,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:51,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 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 1859 [2021-11-09 09:19:51,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:51,390 INFO L225 Difference]: With dead ends: 30603 [2021-11-09 09:19:51,391 INFO L226 Difference]: Without dead ends: 15796 [2021-11-09 09:19:51,399 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-11-09 09:19:51,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-11-09 09:19:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.017283950617284) internal successors, (16068), 15795 states have internal predecessors, (16068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16068 transitions. [2021-11-09 09:19:51,670 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16068 transitions. Word has length 1859 [2021-11-09 09:19:51,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:51,671 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16068 transitions. [2021-11-09 09:19:51,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.33333333333334) internal successors, (688), 3 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16068 transitions. [2021-11-09 09:19:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1883 [2021-11-09 09:19:51,713 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:51,715 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 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, 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, 1, 1] [2021-11-09 09:19:51,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-09 09:19:51,715 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:51,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:51,716 INFO L85 PathProgramCache]: Analyzing trace with hash -80094066, now seen corresponding path program 1 times [2021-11-09 09:19:51,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:51,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473171928] [2021-11-09 09:19:51,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:51,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6522 backedges. 3423 proven. 0 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2021-11-09 09:19:52,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:52,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473171928] [2021-11-09 09:19:52,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473171928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:52,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:52,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:19:52,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488615531] [2021-11-09 09:19:52,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:19:52,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:19:52,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:52,540 INFO L87 Difference]: Start difference. First operand 15796 states and 16068 transitions. Second operand has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:53,693 INFO L93 Difference]: Finished difference Result 34222 states and 34811 transitions. [2021-11-09 09:19:53,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:19:53,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 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 1882 [2021-11-09 09:19:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:53,713 INFO L225 Difference]: With dead ends: 34222 [2021-11-09 09:19:53,714 INFO L226 Difference]: Without dead ends: 19086 [2021-11-09 09:19:53,724 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:19:53,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2021-11-09 09:19:54,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 16783. [2021-11-09 09:19:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0168037182695746) internal successors, (17064), 16782 states have internal predecessors, (17064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17064 transitions. [2021-11-09 09:19:54,112 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17064 transitions. Word has length 1882 [2021-11-09 09:19:54,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:54,113 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17064 transitions. [2021-11-09 09:19:54,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.0) internal successors, (699), 3 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17064 transitions. [2021-11-09 09:19:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1924 [2021-11-09 09:19:54,173 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:19:54,174 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:19:54,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 09:19:54,175 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:19:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:19:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -927463774, now seen corresponding path program 1 times [2021-11-09 09:19:54,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:19:54,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322691429] [2021-11-09 09:19:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:19:54,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:19:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:19:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7226 backedges. 1843 proven. 0 refuted. 0 times theorem prover too weak. 5383 trivial. 0 not checked. [2021-11-09 09:19:55,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:19:55,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322691429] [2021-11-09 09:19:55,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322691429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:19:55,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:19:55,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:19:55,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148310449] [2021-11-09 09:19:55,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:19:55,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:19:55,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:19:55,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:55,316 INFO L87 Difference]: Start difference. First operand 16783 states and 17064 transitions. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:57,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:19:57,140 INFO L93 Difference]: Finished difference Result 35536 states and 36134 transitions. [2021-11-09 09:19:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:19:57,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 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 1923 [2021-11-09 09:19:57,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:19:57,144 INFO L225 Difference]: With dead ends: 35536 [2021-11-09 09:19:57,144 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 09:19:57,155 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:19:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 09:19:57,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 09:19:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:19:57,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1923 [2021-11-09 09:19:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:19:57,156 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:19:57,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:19:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:19:57,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 09:19:57,160 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:19:57,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 09:19:57,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 09:19:57,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:19:57,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:19:57,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:19:57,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:20:01,274 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,274 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,275 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,276 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,277 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-09 09:20:01,277 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-09 09:20:01,277 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-09 09:20:01,277 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,277 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,278 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,279 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,280 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,281 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,282 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,283 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,284 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-09 09:20:01,285 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-09 09:20:01,286 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-11-09 09:20:01,286 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,286 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,286 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,286 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,287 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,288 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,289 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,290 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-09 09:20:01,291 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,292 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,293 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-09 09:20:01,294 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-09 09:20:01,294 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,294 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-09 09:20:01,294 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,294 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,295 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,296 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-09 09:20:01,297 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-09 09:20:01,298 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,298 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-11-09 09:20:01,298 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,298 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,298 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,298 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,299 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-09 09:20:01,300 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,301 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,302 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-09 09:20:01,303 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 09:20:01,304 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2021-11-09 09:20:01,304 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse11 (<= 567606 ~a18~0)) (.cse3 (not (= ~a16~0 8))) (.cse9 (<= ~a12~0 5)) (.cse15 (<= ~a12~0 8)) (.cse10 (<= 4 ~a15~0)) (.cse8 (= ~a12~0 8)) (.cse14 (<= ~a18~0 132)) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse6 (= 7 ~a12~0)) (.cse4 (= ~a16~0 9)) (.cse7 (<= ~a15~0 3)) (.cse18 (<= ~a12~0 7)) (.cse12 (<= 0 (+ 87 ~a18~0))) (.cse0 (<= ~a12~0 6)) (.cse1 (<= ~a16~0 11)) (.cse2 (<= 6 ~a12~0)) (.cse13 (<= ~a16~0 8)) (.cse17 (= ~a12~0 9)) (.cse16 (<= 0 (+ 154 ~a18~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse3) (and .cse9 .cse5 .cse1 .cse10) (and .cse0 .cse1 .cse11) (and .cse12 .cse7 .cse0) (and .cse7 .cse8 .cse5 .cse3) (and .cse13 .cse9) (and .cse13 .cse12 .cse6) (and .cse13 .cse12 .cse14 .cse15 .cse10) (and .cse7 .cse14 .cse16 .cse6) (and .cse12 .cse4 .cse6) (and .cse17 .cse7 .cse1) (and .cse12 .cse17 .cse7) (and .cse13 .cse7 .cse11) (and .cse9 .cse7 .cse16) (and .cse17 .cse4 .cse5) (and .cse13 .cse7 .cse18) (and .cse7 .cse8 .cse16 .cse3) (and .cse9 .cse14 .cse16 .cse1) (and .cse17 .cse4 .cse16) (and .cse13 .cse5 .cse15 .cse10) (and .cse4 .cse8 .cse14) (and .cse17 .cse7 .cse5) (and .cse7 .cse16 .cse1 .cse6) (and .cse4 .cse7 .cse18) (and .cse12 .cse0 .cse1 .cse2) (and .cse13 .cse17 .cse16))) [2021-11-09 09:20:01,304 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,304 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,305 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,306 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,307 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,308 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,309 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-09 09:20:01,310 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,311 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,312 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,313 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,314 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,315 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,315 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,315 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,315 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,315 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,316 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,317 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-09 09:20:01,318 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,319 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,320 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-09 09:20:01,321 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,322 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,323 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-09 09:20:01,324 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,325 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,326 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,327 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,328 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,329 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,330 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 09:20:01,331 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,332 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,333 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,334 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,335 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-11-09 09:20:01,336 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,337 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,338 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-11-09 09:20:01,338 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-09 09:20:01,338 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-09 09:20:01,338 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-09 09:20:01,342 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:20:01,344 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:20:01,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:20:01 BoogieIcfgContainer [2021-11-09 09:20:01,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:20:01,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:20:01,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:20:01,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:20:01,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:19:13" (3/4) ... [2021-11-09 09:20:01,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:20:01,441 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-09 09:20:01,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 09:20:01,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:20:01,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:20:01,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:20:01,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:20:01,744 INFO L168 Benchmark]: Toolchain (without parser) took 52708.86 ms. Allocated memory was 123.7 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 91.9 MB in the beginning and 581.3 MB in the end (delta: -489.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,744 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:20:01,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1273.85 ms. Allocated memory is still 123.7 MB. Free memory was 91.6 MB in the beginning and 90.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.04 ms. Allocated memory is still 123.7 MB. Free memory was 90.4 MB in the beginning and 66.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,746 INFO L168 Benchmark]: Boogie Preprocessor took 131.54 ms. Allocated memory is still 123.7 MB. Free memory was 66.5 MB in the beginning and 53.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,747 INFO L168 Benchmark]: RCFGBuilder took 2604.11 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 53.5 MB in the beginning and 112.0 MB in the end (delta: -58.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,748 INFO L168 Benchmark]: TraceAbstraction took 48151.13 ms. Allocated memory was 190.8 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 111.0 MB in the beginning and 619.4 MB in the end (delta: -508.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,748 INFO L168 Benchmark]: Witness Printer took 353.77 ms. Allocated memory is still 1.8 GB. Free memory was 619.4 MB in the beginning and 581.3 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-09 09:20:01,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory is still 49.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1273.85 ms. Allocated memory is still 123.7 MB. Free memory was 91.6 MB in the beginning and 90.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 185.04 ms. Allocated memory is still 123.7 MB. Free memory was 90.4 MB in the beginning and 66.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.54 ms. Allocated memory is still 123.7 MB. Free memory was 66.5 MB in the beginning and 53.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2604.11 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 53.5 MB in the beginning and 112.0 MB in the end (delta: -58.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 48151.13 ms. Allocated memory was 190.8 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 111.0 MB in the beginning and 619.4 MB in the end (delta: -508.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 353.77 ms. Allocated memory is still 1.8 GB. Free memory was 619.4 MB in the beginning and 581.3 MB in the end (delta: 38.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 134]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.0s, OverallIterations: 20, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5272 SDtfs, 5182 SDslu, 140 SDs, 0 SdLazy, 19312 SolverSat, 2789 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17441occurred in iteration=13, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 8558 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 217 NumberOfFragments, 1069 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7245 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2820 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 18738 NumberOfCodeBlocks, 18738 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 18718 ConstructedInterpolants, 0 QuantifiedInterpolants, 34160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 47506/47506 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 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a12 <= 6 && a16 <= 11) && 6 <= a12) && !(a16 == 8)) || ((a16 == 9 && a18 + 156 <= 0) && 7 == a12)) || (((a15 <= 3 && a12 == 8) && a16 <= 11) && !(a16 == 8))) || (((a12 <= 5 && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 567606 <= a18)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (((a15 <= 3 && a12 == 8) && a18 + 156 <= 0) && !(a16 == 8))) || (a16 <= 8 && a12 <= 5)) || ((a16 <= 8 && 0 <= 87 + a18) && 7 == a12)) || ((((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8) && 4 <= a15)) || (((a15 <= 3 && a18 <= 132) && 0 <= 154 + a18) && 7 == a12)) || ((0 <= 87 + a18 && a16 == 9) && 7 == a12)) || ((a12 == 9 && a15 <= 3) && a16 <= 11)) || ((0 <= 87 + a18 && a12 == 9) && a15 <= 3)) || ((a16 <= 8 && a15 <= 3) && 567606 <= a18)) || ((a12 <= 5 && a15 <= 3) && 0 <= 154 + a18)) || ((a12 == 9 && a16 == 9) && a18 + 156 <= 0)) || ((a16 <= 8 && a15 <= 3) && a12 <= 7)) || (((a15 <= 3 && a12 == 8) && 0 <= 154 + a18) && !(a16 == 8))) || (((a12 <= 5 && a18 <= 132) && 0 <= 154 + a18) && a16 <= 11)) || ((a12 == 9 && a16 == 9) && 0 <= 154 + a18)) || (((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8) && 4 <= a15)) || ((a16 == 9 && a12 == 8) && a18 <= 132)) || ((a12 == 9 && a15 <= 3) && a18 + 156 <= 0)) || (((a15 <= 3 && 0 <= 154 + a18) && a16 <= 11) && 7 == a12)) || ((a16 == 9 && a15 <= 3) && a12 <= 7)) || (((0 <= 87 + a18 && a12 <= 6) && a16 <= 11) && 6 <= a12)) || ((a16 <= 8 && a12 == 9) && 0 <= 154 + a18) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-09 09:20:01,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_879e2de2-141a-44e9-9bcd-3985c7fed8f4/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE