./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa --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 e6cfda55b4df00060532ae07426d70949a0fc78613832cd8fb2b21614956b3d6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:27:33,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:27:33,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:27:33,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:27:33,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:27:33,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:27:33,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:27:33,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:27:33,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:27:33,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:27:33,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:27:33,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:27:33,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:27:33,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:27:33,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:27:33,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:27:33,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:27:33,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:27:33,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:27:33,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:27:33,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:27:33,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:27:33,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:27:33,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:27:33,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:27:33,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:27:33,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:27:33,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:27:33,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:27:33,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:27:33,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:27:33,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:27:33,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:27:33,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:27:33,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:27:33,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:27:33,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:27:33,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:27:33,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:27:33,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:27:33,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:27:33,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:27:33,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:27:33,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:27:33,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:27:33,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:27:33,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:27:33,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:27:33,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:27:33,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:27:33,653 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:27:33,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:27:33,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:27:33,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:27:33,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:27:33,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:27:33,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:27:33,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:27:33,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:27:33,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:27:33,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:27:33,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:27:33,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:27:33,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:27:33,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:27:33,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:27:33,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:27:33,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:27:33,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:27:33,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:27:33,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:27:33,658 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_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6cfda55b4df00060532ae07426d70949a0fc78613832cd8fb2b21614956b3d6 [2021-12-06 23:27:33,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:27:33,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:27:33,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:27:33,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:27:33,841 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:27:33,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem15_label46.c [2021-12-06 23:27:33,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/data/31d50a153/d2a568a26b504ec68bda00b562531fa4/FLAG8f5cbfce1 [2021-12-06 23:27:34,395 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:27:34,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/sv-benchmarks/c/eca-rers2012/Problem15_label46.c [2021-12-06 23:27:34,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/data/31d50a153/d2a568a26b504ec68bda00b562531fa4/FLAG8f5cbfce1 [2021-12-06 23:27:34,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/data/31d50a153/d2a568a26b504ec68bda00b562531fa4 [2021-12-06 23:27:34,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:27:34,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:27:34,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:27:34,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:27:34,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:27:34,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:27:34" (1/1) ... [2021-12-06 23:27:34,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7767ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:34, skipping insertion in model container [2021-12-06 23:27:34,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:27:34" (1/1) ... [2021-12-06 23:27:34,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:27:34,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:27:35,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/sv-benchmarks/c/eca-rers2012/Problem15_label46.c[5357,5370] [2021-12-06 23:27:35,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:27:35,487 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:27:35,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/sv-benchmarks/c/eca-rers2012/Problem15_label46.c[5357,5370] [2021-12-06 23:27:35,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:27:35,709 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:27:35,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35 WrapperNode [2021-12-06 23:27:35,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:27:35,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:27:35,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:27:35,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:27:35,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,867 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-06 23:27:35,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:27:35,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:27:35,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:27:35,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:27:35,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:35,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:36,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:36,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:36,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:27:36,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:27:36,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:27:36,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:27:36,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (1/1) ... [2021-12-06 23:27:36,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:27:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:27:36,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:27:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:27:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:27:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:27:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:27:36,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:27:36,184 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:27:36,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:27:38,158 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:27:38,170 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:27:38,171 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:27:38,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:38 BoogieIcfgContainer [2021-12-06 23:27:38,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:27:38,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:27:38,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:27:38,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:27:38,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:27:34" (1/3) ... [2021-12-06 23:27:38,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae1caeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:27:38, skipping insertion in model container [2021-12-06 23:27:38,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:27:35" (2/3) ... [2021-12-06 23:27:38,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae1caeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:27:38, skipping insertion in model container [2021-12-06 23:27:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:38" (3/3) ... [2021-12-06 23:27:38,180 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label46.c [2021-12-06 23:27:38,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:27:38,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:27:38,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:27:38,227 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 [2021-12-06 23:27:38,227 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:27:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2021-12-06 23:27:38,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-06 23:27:38,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:38,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:38,251 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:38,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:38,255 INFO L85 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2021-12-06 23:27:38,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:38,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215533412] [2021-12-06 23:27:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:38,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:38,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:38,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215533412] [2021-12-06 23:27:38,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215533412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:38,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:38,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:27:38,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484186460] [2021-12-06 23:27:38,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:38,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:38,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:38,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:38,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:38,454 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-12-06 23:27:40,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:40,432 INFO L93 Difference]: Finished difference Result 1191 states and 2157 transitions. [2021-12-06 23:27:40,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:40,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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 43 [2021-12-06 23:27:40,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:40,447 INFO L225 Difference]: With dead ends: 1191 [2021-12-06 23:27:40,448 INFO L226 Difference]: Without dead ends: 688 [2021-12-06 23:27:40,451 INFO L932 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 [2021-12-06 23:27:40,454 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 328 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:40,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 230 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-06 23:27:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-12-06 23:27:40,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 680. [2021-12-06 23:27:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 679 states have (on average 1.609720176730486) internal successors, (1093), 679 states have internal predecessors, (1093), 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) [2021-12-06 23:27:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1093 transitions. [2021-12-06 23:27:40,514 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1093 transitions. Word has length 43 [2021-12-06 23:27:40,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:40,515 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1093 transitions. [2021-12-06 23:27:40,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 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) [2021-12-06 23:27:40,515 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1093 transitions. [2021-12-06 23:27:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 23:27:40,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:40,519 INFO L514 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, 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] [2021-12-06 23:27:40,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:27:40,519 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:40,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:40,520 INFO L85 PathProgramCache]: Analyzing trace with hash 618077297, now seen corresponding path program 1 times [2021-12-06 23:27:40,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:40,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65511842] [2021-12-06 23:27:40,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:40,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:40,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:40,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65511842] [2021-12-06 23:27:40,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65511842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:40,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:40,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:27:40,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449945238] [2021-12-06 23:27:40,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:40,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:40,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:40,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:40,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:40,621 INFO L87 Difference]: Start difference. First operand 680 states and 1093 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-12-06 23:27:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:41,796 INFO L93 Difference]: Finished difference Result 1964 states and 3171 transitions. [2021-12-06 23:27:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:41,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2021-12-06 23:27:41,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:41,802 INFO L225 Difference]: With dead ends: 1964 [2021-12-06 23:27:41,802 INFO L226 Difference]: Without dead ends: 1286 [2021-12-06 23:27:41,803 INFO L932 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 [2021-12-06 23:27:41,805 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 282 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:41,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 360 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 23:27:41,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-12-06 23:27:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1281. [2021-12-06 23:27:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1280 states have (on average 1.3953125) internal successors, (1786), 1280 states have internal predecessors, (1786), 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) [2021-12-06 23:27:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1786 transitions. [2021-12-06 23:27:41,833 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1786 transitions. Word has length 111 [2021-12-06 23:27:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:41,834 INFO L470 AbstractCegarLoop]: Abstraction has 1281 states and 1786 transitions. [2021-12-06 23:27:41,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2021-12-06 23:27:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1786 transitions. [2021-12-06 23:27:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-06 23:27:41,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:41,836 INFO L514 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, 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] [2021-12-06 23:27:41,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:27:41,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:41,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1137270533, now seen corresponding path program 1 times [2021-12-06 23:27:41,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:41,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318785762] [2021-12-06 23:27:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:41,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:41,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:41,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318785762] [2021-12-06 23:27:41,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318785762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:41,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:41,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:41,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299102441] [2021-12-06 23:27:41,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:41,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:41,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:41,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:41,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:41,921 INFO L87 Difference]: Start difference. First operand 1281 states and 1786 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-12-06 23:27:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:43,453 INFO L93 Difference]: Finished difference Result 3766 states and 5246 transitions. [2021-12-06 23:27:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:43,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 119 [2021-12-06 23:27:43,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:43,464 INFO L225 Difference]: With dead ends: 3766 [2021-12-06 23:27:43,464 INFO L226 Difference]: Without dead ends: 2487 [2021-12-06 23:27:43,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:43,467 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 285 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:43,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 23:27:43,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2021-12-06 23:27:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2487. [2021-12-06 23:27:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.244569589702333) internal successors, (3094), 2486 states have internal predecessors, (3094), 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) [2021-12-06 23:27:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3094 transitions. [2021-12-06 23:27:43,505 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3094 transitions. Word has length 119 [2021-12-06 23:27:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:43,506 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 3094 transitions. [2021-12-06 23:27:43,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2021-12-06 23:27:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3094 transitions. [2021-12-06 23:27:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-06 23:27:43,508 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:43,508 INFO L514 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, 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] [2021-12-06 23:27:43,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:27:43,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:43,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:43,509 INFO L85 PathProgramCache]: Analyzing trace with hash -724585743, now seen corresponding path program 1 times [2021-12-06 23:27:43,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:43,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557249952] [2021-12-06 23:27:43,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:43,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:43,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:43,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557249952] [2021-12-06 23:27:43,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557249952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:43,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:43,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:27:43,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533126732] [2021-12-06 23:27:43,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:43,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:43,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:43,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:43,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:43,603 INFO L87 Difference]: Start difference. First operand 2487 states and 3094 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-06 23:27:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:44,969 INFO L93 Difference]: Finished difference Result 6173 states and 7859 transitions. [2021-12-06 23:27:44,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:44,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2021-12-06 23:27:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:44,983 INFO L225 Difference]: With dead ends: 6173 [2021-12-06 23:27:44,983 INFO L226 Difference]: Without dead ends: 3688 [2021-12-06 23:27:44,985 INFO L932 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 [2021-12-06 23:27:44,986 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 233 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:44,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 364 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:27:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2021-12-06 23:27:45,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3387. [2021-12-06 23:27:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3386 states have (on average 1.2114589486119314) internal successors, (4102), 3386 states have internal predecessors, (4102), 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) [2021-12-06 23:27:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4102 transitions. [2021-12-06 23:27:45,039 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4102 transitions. Word has length 125 [2021-12-06 23:27:45,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:45,039 INFO L470 AbstractCegarLoop]: Abstraction has 3387 states and 4102 transitions. [2021-12-06 23:27:45,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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) [2021-12-06 23:27:45,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4102 transitions. [2021-12-06 23:27:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-06 23:27:45,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:45,042 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:45,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:27:45,042 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1572668496, now seen corresponding path program 1 times [2021-12-06 23:27:45,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:45,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098404708] [2021-12-06 23:27:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:45,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-06 23:27:45,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:45,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098404708] [2021-12-06 23:27:45,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098404708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:45,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:45,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:27:45,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004644870] [2021-12-06 23:27:45,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:45,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:45,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:45,157 INFO L87 Difference]: Start difference. First operand 3387 states and 4102 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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) [2021-12-06 23:27:46,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:46,673 INFO L93 Difference]: Finished difference Result 9172 states and 11160 transitions. [2021-12-06 23:27:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:46,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 239 [2021-12-06 23:27:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:46,693 INFO L225 Difference]: With dead ends: 9172 [2021-12-06 23:27:46,693 INFO L226 Difference]: Without dead ends: 5787 [2021-12-06 23:27:46,697 INFO L932 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 [2021-12-06 23:27:46,697 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 117 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:46,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 317 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 23:27:46,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2021-12-06 23:27:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5186. [2021-12-06 23:27:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 5185 states have (on average 1.1778206364513018) internal successors, (6107), 5185 states have internal predecessors, (6107), 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) [2021-12-06 23:27:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6107 transitions. [2021-12-06 23:27:46,776 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6107 transitions. Word has length 239 [2021-12-06 23:27:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:46,776 INFO L470 AbstractCegarLoop]: Abstraction has 5186 states and 6107 transitions. [2021-12-06 23:27:46,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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) [2021-12-06 23:27:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6107 transitions. [2021-12-06 23:27:46,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-06 23:27:46,780 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:46,781 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:46,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:27:46,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:46,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:46,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1270932647, now seen corresponding path program 1 times [2021-12-06 23:27:46,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:46,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101835162] [2021-12-06 23:27:46,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:46,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:46,908 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-06 23:27:46,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:46,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101835162] [2021-12-06 23:27:46,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101835162] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:46,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:46,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:27:46,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043772308] [2021-12-06 23:27:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:46,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:46,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:46,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:46,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:46,911 INFO L87 Difference]: Start difference. First operand 5186 states and 6107 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2021-12-06 23:27:48,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:48,201 INFO L93 Difference]: Finished difference Result 10669 states and 12523 transitions. [2021-12-06 23:27:48,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:48,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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 320 [2021-12-06 23:27:48,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:48,221 INFO L225 Difference]: With dead ends: 10669 [2021-12-06 23:27:48,221 INFO L226 Difference]: Without dead ends: 5485 [2021-12-06 23:27:48,225 INFO L932 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 [2021-12-06 23:27:48,226 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:48,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 23:27:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2021-12-06 23:27:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5485. [2021-12-06 23:27:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5485 states, 5484 states have (on average 1.1692195477753464) internal successors, (6412), 5484 states have internal predecessors, (6412), 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) [2021-12-06 23:27:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 5485 states and 6412 transitions. [2021-12-06 23:27:48,303 INFO L78 Accepts]: Start accepts. Automaton has 5485 states and 6412 transitions. Word has length 320 [2021-12-06 23:27:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:48,303 INFO L470 AbstractCegarLoop]: Abstraction has 5485 states and 6412 transitions. [2021-12-06 23:27:48,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2021-12-06 23:27:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5485 states and 6412 transitions. [2021-12-06 23:27:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-06 23:27:48,307 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:48,307 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:48,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:27:48,308 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash 219486213, now seen corresponding path program 1 times [2021-12-06 23:27:48,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:48,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385588183] [2021-12-06 23:27:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:48,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 23:27:48,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:48,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385588183] [2021-12-06 23:27:48,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385588183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:48,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:48,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:48,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024902402] [2021-12-06 23:27:48,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:48,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:48,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:48,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:48,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:48,415 INFO L87 Difference]: Start difference. First operand 5485 states and 6412 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2021-12-06 23:27:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:50,203 INFO L93 Difference]: Finished difference Result 12762 states and 15152 transitions. [2021-12-06 23:27:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:50,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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 330 [2021-12-06 23:27:50,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:50,229 INFO L225 Difference]: With dead ends: 12762 [2021-12-06 23:27:50,229 INFO L226 Difference]: Without dead ends: 7578 [2021-12-06 23:27:50,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:50,233 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 272 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:50,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 23:27:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7578 states. [2021-12-06 23:27:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7578 to 4883. [2021-12-06 23:27:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 4882 states have (on average 1.1798443260958624) internal successors, (5760), 4882 states have internal predecessors, (5760), 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) [2021-12-06 23:27:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 5760 transitions. [2021-12-06 23:27:50,311 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 5760 transitions. Word has length 330 [2021-12-06 23:27:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:50,311 INFO L470 AbstractCegarLoop]: Abstraction has 4883 states and 5760 transitions. [2021-12-06 23:27:50,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2021-12-06 23:27:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 5760 transitions. [2021-12-06 23:27:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-06 23:27:50,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:50,318 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:50,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:27:50,318 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:50,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:50,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1273280494, now seen corresponding path program 1 times [2021-12-06 23:27:50,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:50,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328214023] [2021-12-06 23:27:50,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:50,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:50,455 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:50,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328214023] [2021-12-06 23:27:50,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328214023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:50,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:50,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:50,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858901640] [2021-12-06 23:27:50,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:50,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:50,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:50,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:50,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:50,457 INFO L87 Difference]: Start difference. First operand 4883 states and 5760 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2021-12-06 23:27:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:51,910 INFO L93 Difference]: Finished difference Result 9461 states and 11209 transitions. [2021-12-06 23:27:51,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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 395 [2021-12-06 23:27:51,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:51,920 INFO L225 Difference]: With dead ends: 9461 [2021-12-06 23:27:51,920 INFO L226 Difference]: Without dead ends: 4879 [2021-12-06 23:27:51,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:51,924 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:51,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 23:27:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-12-06 23:27:51,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-12-06 23:27:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 4876 states have (on average 1.1618129614438064) internal successors, (5665), 4876 states have internal predecessors, (5665), 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) [2021-12-06 23:27:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 5665 transitions. [2021-12-06 23:27:51,979 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 5665 transitions. Word has length 395 [2021-12-06 23:27:51,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:51,980 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 5665 transitions. [2021-12-06 23:27:51,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 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) [2021-12-06 23:27:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 5665 transitions. [2021-12-06 23:27:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-06 23:27:51,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:51,983 INFO L514 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:51,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:27:51,983 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:51,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:51,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1803521659, now seen corresponding path program 1 times [2021-12-06 23:27:51,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:51,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985284140] [2021-12-06 23:27:51,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:51,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:27:52,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:52,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985284140] [2021-12-06 23:27:52,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985284140] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:52,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:52,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:52,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601755067] [2021-12-06 23:27:52,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:52,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:52,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:52,096 INFO L87 Difference]: Start difference. First operand 4877 states and 5665 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2021-12-06 23:27:53,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:53,614 INFO L93 Difference]: Finished difference Result 11259 states and 13334 transitions. [2021-12-06 23:27:53,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:53,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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 406 [2021-12-06 23:27:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:53,622 INFO L225 Difference]: With dead ends: 11259 [2021-12-06 23:27:53,623 INFO L226 Difference]: Without dead ends: 6683 [2021-12-06 23:27:53,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:53,626 INFO L933 BasicCegarLoop]: 560 mSDtfsCounter, 249 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:53,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 597 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 23:27:53,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6683 states. [2021-12-06 23:27:53,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6683 to 6381. [2021-12-06 23:27:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6381 states, 6380 states have (on average 1.14435736677116) internal successors, (7301), 6380 states have internal predecessors, (7301), 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) [2021-12-06 23:27:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6381 states to 6381 states and 7301 transitions. [2021-12-06 23:27:53,689 INFO L78 Accepts]: Start accepts. Automaton has 6381 states and 7301 transitions. Word has length 406 [2021-12-06 23:27:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:53,689 INFO L470 AbstractCegarLoop]: Abstraction has 6381 states and 7301 transitions. [2021-12-06 23:27:53,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2021-12-06 23:27:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 6381 states and 7301 transitions. [2021-12-06 23:27:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-12-06 23:27:53,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:53,692 INFO L514 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, 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, 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] [2021-12-06 23:27:53,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:27:53,693 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:53,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:53,693 INFO L85 PathProgramCache]: Analyzing trace with hash 397575410, now seen corresponding path program 1 times [2021-12-06 23:27:53,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758279223] [2021-12-06 23:27:53,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:53,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 23:27:53,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:53,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758279223] [2021-12-06 23:27:53,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758279223] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:53,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:53,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:53,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33888931] [2021-12-06 23:27:53,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:53,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:53,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:53,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:53,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:53,798 INFO L87 Difference]: Start difference. First operand 6381 states and 7301 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-12-06 23:27:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:55,166 INFO L93 Difference]: Finished difference Result 14257 states and 16594 transitions. [2021-12-06 23:27:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:55,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 411 [2021-12-06 23:27:55,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:55,175 INFO L225 Difference]: With dead ends: 14257 [2021-12-06 23:27:55,175 INFO L226 Difference]: Without dead ends: 8177 [2021-12-06 23:27:55,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:55,179 INFO L933 BasicCegarLoop]: 579 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:55,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 618 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:27:55,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8177 states. [2021-12-06 23:27:55,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8177 to 7875. [2021-12-06 23:27:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7875 states, 7874 states have (on average 1.1343662687325375) internal successors, (8932), 7874 states have internal predecessors, (8932), 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) [2021-12-06 23:27:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7875 states to 7875 states and 8932 transitions. [2021-12-06 23:27:55,249 INFO L78 Accepts]: Start accepts. Automaton has 7875 states and 8932 transitions. Word has length 411 [2021-12-06 23:27:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:55,249 INFO L470 AbstractCegarLoop]: Abstraction has 7875 states and 8932 transitions. [2021-12-06 23:27:55,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-12-06 23:27:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7875 states and 8932 transitions. [2021-12-06 23:27:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2021-12-06 23:27:55,263 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:55,263 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:55,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:27:55,264 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:55,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:55,264 INFO L85 PathProgramCache]: Analyzing trace with hash -299601891, now seen corresponding path program 1 times [2021-12-06 23:27:55,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:55,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888185044] [2021-12-06 23:27:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:55,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-12-06 23:27:55,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:55,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888185044] [2021-12-06 23:27:55,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888185044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:55,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:55,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:55,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882657125] [2021-12-06 23:27:55,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:55,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:55,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:55,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:55,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:55,420 INFO L87 Difference]: Start difference. First operand 7875 states and 8932 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2021-12-06 23:27:56,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:56,802 INFO L93 Difference]: Finished difference Result 17541 states and 20149 transitions. [2021-12-06 23:27:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:56,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 507 [2021-12-06 23:27:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:56,815 INFO L225 Difference]: With dead ends: 17541 [2021-12-06 23:27:56,815 INFO L226 Difference]: Without dead ends: 9967 [2021-12-06 23:27:56,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:56,820 INFO L933 BasicCegarLoop]: 427 mSDtfsCounter, 372 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:56,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [372 Valid, 447 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:27:56,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9967 states. [2021-12-06 23:27:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9967 to 9967. [2021-12-06 23:27:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9967 states, 9966 states have (on average 1.1378687537627934) internal successors, (11340), 9966 states have internal predecessors, (11340), 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) [2021-12-06 23:27:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9967 states to 9967 states and 11340 transitions. [2021-12-06 23:27:56,913 INFO L78 Accepts]: Start accepts. Automaton has 9967 states and 11340 transitions. Word has length 507 [2021-12-06 23:27:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:56,913 INFO L470 AbstractCegarLoop]: Abstraction has 9967 states and 11340 transitions. [2021-12-06 23:27:56,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2021-12-06 23:27:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9967 states and 11340 transitions. [2021-12-06 23:27:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-12-06 23:27:56,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:56,918 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:56,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:27:56,918 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:56,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:56,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1686723748, now seen corresponding path program 1 times [2021-12-06 23:27:56,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:56,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122277847] [2021-12-06 23:27:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:56,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-12-06 23:27:57,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:57,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122277847] [2021-12-06 23:27:57,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122277847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:57,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:57,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:57,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877613223] [2021-12-06 23:27:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:57,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:57,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:57,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:57,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:57,086 INFO L87 Difference]: Start difference. First operand 9967 states and 11340 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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) [2021-12-06 23:27:58,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:27:58,586 INFO L93 Difference]: Finished difference Result 24431 states and 27984 transitions. [2021-12-06 23:27:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:27:58,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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 531 [2021-12-06 23:27:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:27:58,604 INFO L225 Difference]: With dead ends: 24431 [2021-12-06 23:27:58,604 INFO L226 Difference]: Without dead ends: 14765 [2021-12-06 23:27:58,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:58,610 INFO L933 BasicCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:27:58,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 596 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 23:27:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14765 states. [2021-12-06 23:27:58,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14765 to 14754. [2021-12-06 23:27:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14754 states, 14753 states have (on average 1.1218057344268961) internal successors, (16550), 14753 states have internal predecessors, (16550), 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) [2021-12-06 23:27:58,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14754 states to 14754 states and 16550 transitions. [2021-12-06 23:27:58,745 INFO L78 Accepts]: Start accepts. Automaton has 14754 states and 16550 transitions. Word has length 531 [2021-12-06 23:27:58,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:27:58,746 INFO L470 AbstractCegarLoop]: Abstraction has 14754 states and 16550 transitions. [2021-12-06 23:27:58,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 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) [2021-12-06 23:27:58,746 INFO L276 IsEmpty]: Start isEmpty. Operand 14754 states and 16550 transitions. [2021-12-06 23:27:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2021-12-06 23:27:58,766 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:27:58,767 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:27:58,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:27:58,767 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:27:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:27:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2137585242, now seen corresponding path program 1 times [2021-12-06 23:27:58,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:27:58,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922192127] [2021-12-06 23:27:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:27:58,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:27:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:27:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2021-12-06 23:27:58,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:27:58,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922192127] [2021-12-06 23:27:58,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922192127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:27:58,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:27:58,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:27:58,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236952593] [2021-12-06 23:27:58,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:27:58,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:27:58,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:27:58,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:27:58,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:27:58,970 INFO L87 Difference]: Start difference. First operand 14754 states and 16550 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:00,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:00,264 INFO L93 Difference]: Finished difference Result 30403 states and 34062 transitions. [2021-12-06 23:28:00,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:00,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 585 [2021-12-06 23:28:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:00,275 INFO L225 Difference]: With dead ends: 30403 [2021-12-06 23:28:00,276 INFO L226 Difference]: Without dead ends: 14754 [2021-12-06 23:28:00,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:00,284 INFO L933 BasicCegarLoop]: 621 mSDtfsCounter, 259 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:00,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [259 Valid, 665 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 23:28:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14754 states. [2021-12-06 23:28:00,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14754 to 14754. [2021-12-06 23:28:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14754 states, 14753 states have (on average 1.1201111638310852) internal successors, (16525), 14753 states have internal predecessors, (16525), 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) [2021-12-06 23:28:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14754 states to 14754 states and 16525 transitions. [2021-12-06 23:28:00,406 INFO L78 Accepts]: Start accepts. Automaton has 14754 states and 16525 transitions. Word has length 585 [2021-12-06 23:28:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:00,407 INFO L470 AbstractCegarLoop]: Abstraction has 14754 states and 16525 transitions. [2021-12-06 23:28:00,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 14754 states and 16525 transitions. [2021-12-06 23:28:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-12-06 23:28:00,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:00,414 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:00,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:28:00,414 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:00,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:00,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1367354222, now seen corresponding path program 1 times [2021-12-06 23:28:00,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:00,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382119767] [2021-12-06 23:28:00,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:00,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 578 proven. 39 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-06 23:28:00,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:00,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382119767] [2021-12-06 23:28:00,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382119767] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:00,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232949933] [2021-12-06 23:28:00,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:00,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:00,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:00,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:28:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:00,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:28:00,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 578 proven. 39 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-06 23:28:01,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:28:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 578 proven. 39 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-06 23:28:02,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232949933] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:28:02,544 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:28:02,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-06 23:28:02,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516903657] [2021-12-06 23:28:02,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:28:02,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 23:28:02,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 23:28:02,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:28:02,548 INFO L87 Difference]: Start difference. First operand 14754 states and 16525 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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) [2021-12-06 23:28:08,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:08,012 INFO L93 Difference]: Finished difference Result 37541 states and 41836 transitions. [2021-12-06 23:28:08,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 23:28:08,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 598 [2021-12-06 23:28:08,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:08,024 INFO L225 Difference]: With dead ends: 37541 [2021-12-06 23:28:08,024 INFO L226 Difference]: Without dead ends: 17446 [2021-12-06 23:28:08,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1205 GetRequests, 1191 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:28:08,030 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 3067 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 5905 mSolverCounterSat, 693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3067 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 6598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 5905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:08,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3067 Valid, 282 Invalid, 6598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 5905 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-06 23:28:08,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17446 states. [2021-12-06 23:28:08,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17446 to 13556. [2021-12-06 23:28:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13556 states, 13555 states have (on average 1.0638878642567318) internal successors, (14421), 13555 states have internal predecessors, (14421), 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) [2021-12-06 23:28:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13556 states to 13556 states and 14421 transitions. [2021-12-06 23:28:08,158 INFO L78 Accepts]: Start accepts. Automaton has 13556 states and 14421 transitions. Word has length 598 [2021-12-06 23:28:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:08,159 INFO L470 AbstractCegarLoop]: Abstraction has 13556 states and 14421 transitions. [2021-12-06 23:28:08,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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) [2021-12-06 23:28:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 13556 states and 14421 transitions. [2021-12-06 23:28:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2021-12-06 23:28:08,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:08,178 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:08,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:28:08,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 23:28:08,380 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:08,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash 910843091, now seen corresponding path program 1 times [2021-12-06 23:28:08,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:08,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008283548] [2021-12-06 23:28:08,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:08,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-12-06 23:28:08,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:08,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008283548] [2021-12-06 23:28:08,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008283548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:08,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:08,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:08,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113752421] [2021-12-06 23:28:08,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:08,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:08,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:08,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:08,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:08,555 INFO L87 Difference]: Start difference. First operand 13556 states and 14421 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) [2021-12-06 23:28:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:09,388 INFO L93 Difference]: Finished difference Result 26809 states and 28537 transitions. [2021-12-06 23:28:09,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:09,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 623 [2021-12-06 23:28:09,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:09,398 INFO L225 Difference]: With dead ends: 26809 [2021-12-06 23:28:09,398 INFO L226 Difference]: Without dead ends: 13554 [2021-12-06 23:28:09,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:09,404 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 437 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:09,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [437 Valid, 69 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:09,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13554 states. [2021-12-06 23:28:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13554 to 13554. [2021-12-06 23:28:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13554 states, 13553 states have (on average 1.0637497233084925) internal successors, (14417), 13553 states have internal predecessors, (14417), 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) [2021-12-06 23:28:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13554 states to 13554 states and 14417 transitions. [2021-12-06 23:28:09,531 INFO L78 Accepts]: Start accepts. Automaton has 13554 states and 14417 transitions. Word has length 623 [2021-12-06 23:28:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:09,532 INFO L470 AbstractCegarLoop]: Abstraction has 13554 states and 14417 transitions. [2021-12-06 23:28:09,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) [2021-12-06 23:28:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 13554 states and 14417 transitions. [2021-12-06 23:28:09,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2021-12-06 23:28:09,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:09,538 INFO L514 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:09,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 23:28:09,539 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:09,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:09,539 INFO L85 PathProgramCache]: Analyzing trace with hash -705848768, now seen corresponding path program 1 times [2021-12-06 23:28:09,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:09,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120159134] [2021-12-06 23:28:09,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:09,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 82 proven. 364 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-12-06 23:28:09,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:09,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120159134] [2021-12-06 23:28:09,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120159134] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:09,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657146575] [2021-12-06 23:28:09,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:09,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:09,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:09,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:09,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:28:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:09,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:28:09,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-12-06 23:28:10,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:28:10,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657146575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:10,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:28:10,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-12-06 23:28:10,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819047097] [2021-12-06 23:28:10,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:10,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:10,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:10,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:10,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:28:10,355 INFO L87 Difference]: Start difference. First operand 13554 states and 14417 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:28:11,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:11,264 INFO L93 Difference]: Finished difference Result 27103 states and 28826 transitions. [2021-12-06 23:28:11,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:11,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 639 [2021-12-06 23:28:11,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:11,276 INFO L225 Difference]: With dead ends: 27103 [2021-12-06 23:28:11,277 INFO L226 Difference]: Without dead ends: 13551 [2021-12-06 23:28:11,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:28:11,285 INFO L933 BasicCegarLoop]: 482 mSDtfsCounter, 286 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:11,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 520 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13551 states. [2021-12-06 23:28:11,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13551 to 12654. [2021-12-06 23:28:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12654 states, 12653 states have (on average 1.0376985695092074) internal successors, (13130), 12653 states have internal predecessors, (13130), 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) [2021-12-06 23:28:11,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12654 states to 12654 states and 13130 transitions. [2021-12-06 23:28:11,419 INFO L78 Accepts]: Start accepts. Automaton has 12654 states and 13130 transitions. Word has length 639 [2021-12-06 23:28:11,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:11,420 INFO L470 AbstractCegarLoop]: Abstraction has 12654 states and 13130 transitions. [2021-12-06 23:28:11,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:28:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12654 states and 13130 transitions. [2021-12-06 23:28:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 669 [2021-12-06 23:28:11,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:11,427 INFO L514 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:11,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:28:11,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 23:28:11,630 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:11,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:11,631 INFO L85 PathProgramCache]: Analyzing trace with hash 777769454, now seen corresponding path program 1 times [2021-12-06 23:28:11,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:11,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402120567] [2021-12-06 23:28:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:11,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2021-12-06 23:28:11,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:11,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402120567] [2021-12-06 23:28:11,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402120567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:11,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:11,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:11,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184218015] [2021-12-06 23:28:11,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:11,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:11,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:11,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:11,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:11,852 INFO L87 Difference]: Start difference. First operand 12654 states and 13130 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:28:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:12,809 INFO L93 Difference]: Finished difference Result 27714 states and 28795 transitions. [2021-12-06 23:28:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:12,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 668 [2021-12-06 23:28:12,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:12,822 INFO L225 Difference]: With dead ends: 27714 [2021-12-06 23:28:12,823 INFO L226 Difference]: Without dead ends: 15062 [2021-12-06 23:28:12,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:12,830 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 309 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:12,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 133 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:28:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15062 states. [2021-12-06 23:28:12,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15062 to 13551. [2021-12-06 23:28:12,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13551 states, 13550 states have (on average 1.0375645756457565) internal successors, (14059), 13550 states have internal predecessors, (14059), 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) [2021-12-06 23:28:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13551 states to 13551 states and 14059 transitions. [2021-12-06 23:28:12,969 INFO L78 Accepts]: Start accepts. Automaton has 13551 states and 14059 transitions. Word has length 668 [2021-12-06 23:28:12,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:12,970 INFO L470 AbstractCegarLoop]: Abstraction has 13551 states and 14059 transitions. [2021-12-06 23:28:12,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:28:12,970 INFO L276 IsEmpty]: Start isEmpty. Operand 13551 states and 14059 transitions. [2021-12-06 23:28:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2021-12-06 23:28:12,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:12,977 INFO L514 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:12,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 23:28:12,978 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash -694194177, now seen corresponding path program 1 times [2021-12-06 23:28:12,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:12,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654400826] [2021-12-06 23:28:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:12,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 566 proven. 190 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-06 23:28:13,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:13,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654400826] [2021-12-06 23:28:13,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654400826] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:13,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799861779] [2021-12-06 23:28:13,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:13,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:13,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:13,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 23:28:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:13,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:28:13,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2021-12-06 23:28:16,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:28:16,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799861779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:16,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:28:16,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:28:16,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579511861] [2021-12-06 23:28:16,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:16,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:16,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:16,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:16,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:16,889 INFO L87 Difference]: Start difference. First operand 13551 states and 14059 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:16,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:16,918 INFO L93 Difference]: Finished difference Result 13594 states and 14102 transitions. [2021-12-06 23:28:16,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:16,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 675 [2021-12-06 23:28:16,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:16,927 INFO L225 Difference]: With dead ends: 13594 [2021-12-06 23:28:16,927 INFO L226 Difference]: Without dead ends: 13592 [2021-12-06 23:28:16,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:16,930 INFO L933 BasicCegarLoop]: 496 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 492 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:16,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 534 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 492 Unchecked, 0.0s Time] [2021-12-06 23:28:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13592 states. [2021-12-06 23:28:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13592 to 13592. [2021-12-06 23:28:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13592 states, 13591 states have (on average 1.0374512545066588) internal successors, (14100), 13591 states have internal predecessors, (14100), 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) [2021-12-06 23:28:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13592 states to 13592 states and 14100 transitions. [2021-12-06 23:28:17,042 INFO L78 Accepts]: Start accepts. Automaton has 13592 states and 14100 transitions. Word has length 675 [2021-12-06 23:28:17,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:17,043 INFO L470 AbstractCegarLoop]: Abstraction has 13592 states and 14100 transitions. [2021-12-06 23:28:17,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states and 14100 transitions. [2021-12-06 23:28:17,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2021-12-06 23:28:17,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:17,052 INFO L514 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:17,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:28:17,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 23:28:17,254 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:17,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:17,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1257977755, now seen corresponding path program 1 times [2021-12-06 23:28:17,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:17,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534217375] [2021-12-06 23:28:17,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2021-12-06 23:28:17,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:17,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534217375] [2021-12-06 23:28:17,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534217375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:17,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:17,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:28:17,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790788756] [2021-12-06 23:28:17,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:17,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:28:17,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:17,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:28:17,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:28:17,472 INFO L87 Difference]: Start difference. First operand 13592 states and 14100 transitions. Second operand has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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) [2021-12-06 23:28:18,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:18,706 INFO L93 Difference]: Finished difference Result 30483 states and 31700 transitions. [2021-12-06 23:28:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:28:18,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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 701 [2021-12-06 23:28:18,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:18,717 INFO L225 Difference]: With dead ends: 30483 [2021-12-06 23:28:18,718 INFO L226 Difference]: Without dead ends: 17192 [2021-12-06 23:28:18,723 INFO L932 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 [2021-12-06 23:28:18,723 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 671 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:18,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 440 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 23:28:18,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17192 states. [2021-12-06 23:28:18,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17192 to 15996. [2021-12-06 23:28:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15996 states, 15995 states have (on average 1.033823069709284) internal successors, (16536), 15995 states have internal predecessors, (16536), 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) [2021-12-06 23:28:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15996 states to 15996 states and 16536 transitions. [2021-12-06 23:28:18,863 INFO L78 Accepts]: Start accepts. Automaton has 15996 states and 16536 transitions. Word has length 701 [2021-12-06 23:28:18,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:18,864 INFO L470 AbstractCegarLoop]: Abstraction has 15996 states and 16536 transitions. [2021-12-06 23:28:18,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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) [2021-12-06 23:28:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 15996 states and 16536 transitions. [2021-12-06 23:28:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2021-12-06 23:28:18,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:18,878 INFO L514 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:18,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 23:28:18,879 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:18,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:18,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1684815457, now seen corresponding path program 1 times [2021-12-06 23:28:18,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:18,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606315633] [2021-12-06 23:28:18,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:18,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2021-12-06 23:28:19,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:19,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606315633] [2021-12-06 23:28:19,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606315633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:19,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:19,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:19,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918769379] [2021-12-06 23:28:19,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:19,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:19,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:19,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:19,102 INFO L87 Difference]: Start difference. First operand 15996 states and 16536 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-12-06 23:28:20,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:20,046 INFO L93 Difference]: Finished difference Result 34100 states and 35289 transitions. [2021-12-06 23:28:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:20,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 821 [2021-12-06 23:28:20,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:20,057 INFO L225 Difference]: With dead ends: 34100 [2021-12-06 23:28:20,057 INFO L226 Difference]: Without dead ends: 18106 [2021-12-06 23:28:20,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:20,061 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 309 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:20,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 126 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 23:28:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18106 states. [2021-12-06 23:28:20,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18106 to 15058. [2021-12-06 23:28:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15058 states, 15057 states have (on average 1.0336056319319917) internal successors, (15563), 15057 states have internal predecessors, (15563), 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) [2021-12-06 23:28:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15058 states to 15058 states and 15563 transitions. [2021-12-06 23:28:20,194 INFO L78 Accepts]: Start accepts. Automaton has 15058 states and 15563 transitions. Word has length 821 [2021-12-06 23:28:20,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:20,194 INFO L470 AbstractCegarLoop]: Abstraction has 15058 states and 15563 transitions. [2021-12-06 23:28:20,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-12-06 23:28:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15058 states and 15563 transitions. [2021-12-06 23:28:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2021-12-06 23:28:20,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:20,208 INFO L514 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:20,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 23:28:20,209 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:20,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:20,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1338684651, now seen corresponding path program 1 times [2021-12-06 23:28:20,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:20,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315078685] [2021-12-06 23:28:20,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:20,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 772 proven. 41 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2021-12-06 23:28:20,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:20,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315078685] [2021-12-06 23:28:20,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315078685] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:20,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309366014] [2021-12-06 23:28:20,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:20,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:20,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:20,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:20,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 23:28:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:20,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:28:20,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2021-12-06 23:28:21,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:28:21,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309366014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:21,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:28:21,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-06 23:28:21,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245813696] [2021-12-06 23:28:21,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:21,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:21,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:21,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:21,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:21,284 INFO L87 Difference]: Start difference. First operand 15058 states and 15563 transitions. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:22,226 INFO L93 Difference]: Finished difference Result 35800 states and 37026 transitions. [2021-12-06 23:28:22,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:22,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 828 [2021-12-06 23:28:22,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:22,240 INFO L225 Difference]: With dead ends: 35800 [2021-12-06 23:28:22,240 INFO L226 Difference]: Without dead ends: 20744 [2021-12-06 23:28:22,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 828 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:22,246 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 287 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:22,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 523 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:22,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20744 states. [2021-12-06 23:28:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20744 to 18648. [2021-12-06 23:28:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18648 states, 18647 states have (on average 1.0310505711374485) internal successors, (19226), 18647 states have internal predecessors, (19226), 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) [2021-12-06 23:28:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18648 states to 18648 states and 19226 transitions. [2021-12-06 23:28:22,416 INFO L78 Accepts]: Start accepts. Automaton has 18648 states and 19226 transitions. Word has length 828 [2021-12-06 23:28:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:22,416 INFO L470 AbstractCegarLoop]: Abstraction has 18648 states and 19226 transitions. [2021-12-06 23:28:22,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2021-12-06 23:28:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 18648 states and 19226 transitions. [2021-12-06 23:28:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 858 [2021-12-06 23:28:22,432 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:22,433 INFO L514 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:28:22,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:28:22,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:22,635 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash -712309912, now seen corresponding path program 1 times [2021-12-06 23:28:22,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:22,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714236271] [2021-12-06 23:28:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-12-06 23:28:22,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:22,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714236271] [2021-12-06 23:28:22,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714236271] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:22,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:22,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:22,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232422261] [2021-12-06 23:28:22,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:22,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:22,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:22,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:22,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:22,911 INFO L87 Difference]: Start difference. First operand 18648 states and 19226 transitions. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2021-12-06 23:28:23,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:23,825 INFO L93 Difference]: Finished difference Result 40280 states and 41569 transitions. [2021-12-06 23:28:23,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:23,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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 857 [2021-12-06 23:28:23,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:23,840 INFO L225 Difference]: With dead ends: 40280 [2021-12-06 23:28:23,840 INFO L226 Difference]: Without dead ends: 21933 [2021-12-06 23:28:23,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:23,849 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 92 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:23,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 170 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21933 states. [2021-12-06 23:28:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21933 to 20436. [2021-12-06 23:28:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20436 states, 20435 states have (on average 1.028823097626621) internal successors, (21024), 20435 states have internal predecessors, (21024), 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) [2021-12-06 23:28:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20436 states to 20436 states and 21024 transitions. [2021-12-06 23:28:24,051 INFO L78 Accepts]: Start accepts. Automaton has 20436 states and 21024 transitions. Word has length 857 [2021-12-06 23:28:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:24,052 INFO L470 AbstractCegarLoop]: Abstraction has 20436 states and 21024 transitions. [2021-12-06 23:28:24,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2021-12-06 23:28:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20436 states and 21024 transitions. [2021-12-06 23:28:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2021-12-06 23:28:24,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:24,066 INFO L514 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:24,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 23:28:24,066 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:24,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash 579730196, now seen corresponding path program 1 times [2021-12-06 23:28:24,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:24,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624175616] [2021-12-06 23:28:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:24,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-12-06 23:28:24,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:24,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624175616] [2021-12-06 23:28:24,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624175616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:24,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:24,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:28:24,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217339692] [2021-12-06 23:28:24,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:24,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:28:24,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:24,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:28:24,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:28:24,307 INFO L87 Difference]: Start difference. First operand 20436 states and 21024 transitions. Second operand has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 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) [2021-12-06 23:28:25,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:25,700 INFO L93 Difference]: Finished difference Result 46559 states and 47864 transitions. [2021-12-06 23:28:25,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:28:25,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 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 910 [2021-12-06 23:28:25,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:25,719 INFO L225 Difference]: With dead ends: 46559 [2021-12-06 23:28:25,719 INFO L226 Difference]: Without dead ends: 24628 [2021-12-06 23:28:25,730 INFO L932 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 [2021-12-06 23:28:25,731 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 522 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:25,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 134 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:28:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24628 states. [2021-12-06 23:28:25,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24628 to 19836. [2021-12-06 23:28:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19836 states, 19835 states have (on average 1.0287874968490043) internal successors, (20406), 19835 states have internal predecessors, (20406), 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) [2021-12-06 23:28:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19836 states to 19836 states and 20406 transitions. [2021-12-06 23:28:25,933 INFO L78 Accepts]: Start accepts. Automaton has 19836 states and 20406 transitions. Word has length 910 [2021-12-06 23:28:25,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:25,933 INFO L470 AbstractCegarLoop]: Abstraction has 19836 states and 20406 transitions. [2021-12-06 23:28:25,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 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) [2021-12-06 23:28:25,933 INFO L276 IsEmpty]: Start isEmpty. Operand 19836 states and 20406 transitions. [2021-12-06 23:28:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 916 [2021-12-06 23:28:25,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:25,947 INFO L514 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:25,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 23:28:25,948 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:25,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:25,948 INFO L85 PathProgramCache]: Analyzing trace with hash 548599927, now seen corresponding path program 1 times [2021-12-06 23:28:25,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:25,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670425063] [2021-12-06 23:28:25,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:25,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 23:28:26,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:26,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670425063] [2021-12-06 23:28:26,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670425063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:26,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:26,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:26,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715788576] [2021-12-06 23:28:26,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:26,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:26,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:26,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:26,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:26,184 INFO L87 Difference]: Start difference. First operand 19836 states and 20406 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) [2021-12-06 23:28:27,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:27,054 INFO L93 Difference]: Finished difference Result 42956 states and 44251 transitions. [2021-12-06 23:28:27,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:27,055 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 915 [2021-12-06 23:28:27,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:27,069 INFO L225 Difference]: With dead ends: 42956 [2021-12-06 23:28:27,070 INFO L226 Difference]: Without dead ends: 23421 [2021-12-06 23:28:27,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:27,079 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 307 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:27,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 512 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23421 states. [2021-12-06 23:28:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23421 to 20129. [2021-12-06 23:28:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20129 states, 20128 states have (on average 1.026381160572337) internal successors, (20659), 20128 states have internal predecessors, (20659), 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) [2021-12-06 23:28:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20129 states to 20129 states and 20659 transitions. [2021-12-06 23:28:27,304 INFO L78 Accepts]: Start accepts. Automaton has 20129 states and 20659 transitions. Word has length 915 [2021-12-06 23:28:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:27,305 INFO L470 AbstractCegarLoop]: Abstraction has 20129 states and 20659 transitions. [2021-12-06 23:28:27,305 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) [2021-12-06 23:28:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 20129 states and 20659 transitions. [2021-12-06 23:28:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2021-12-06 23:28:27,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:27,320 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2021-12-06 23:28:27,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 23:28:27,320 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1414559480, now seen corresponding path program 1 times [2021-12-06 23:28:27,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:27,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638099039] [2021-12-06 23:28:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:27,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 1459 proven. 26 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-06 23:28:27,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:27,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638099039] [2021-12-06 23:28:27,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638099039] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:27,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979324715] [2021-12-06 23:28:27,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:27,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:27,665 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:27,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 23:28:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:27,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:28:27,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1867 backedges. 964 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-12-06 23:28:36,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:28:36,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979324715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:36,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:28:36,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-12-06 23:28:36,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103712223] [2021-12-06 23:28:36,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:36,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:28:36,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:36,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:28:36,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:28:36,663 INFO L87 Difference]: Start difference. First operand 20129 states and 20659 transitions. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2021-12-06 23:28:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:36,708 INFO L93 Difference]: Finished difference Result 20615 states and 21152 transitions. [2021-12-06 23:28:36,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:28:36,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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 1077 [2021-12-06 23:28:36,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:36,722 INFO L225 Difference]: With dead ends: 20615 [2021-12-06 23:28:36,722 INFO L226 Difference]: Without dead ends: 20613 [2021-12-06 23:28:36,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 1076 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:28:36,726 INFO L933 BasicCegarLoop]: 486 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1121 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:36,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 573 Invalid, 1121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 1121 Unchecked, 0.0s Time] [2021-12-06 23:28:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20613 states. [2021-12-06 23:28:36,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20613 to 20412. [2021-12-06 23:28:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20412 states, 20411 states have (on average 1.0262113566214297) internal successors, (20946), 20411 states have internal predecessors, (20946), 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) [2021-12-06 23:28:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20412 states to 20412 states and 20946 transitions. [2021-12-06 23:28:36,919 INFO L78 Accepts]: Start accepts. Automaton has 20412 states and 20946 transitions. Word has length 1077 [2021-12-06 23:28:36,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:36,920 INFO L470 AbstractCegarLoop]: Abstraction has 20412 states and 20946 transitions. [2021-12-06 23:28:36,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2021-12-06 23:28:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 20412 states and 20946 transitions. [2021-12-06 23:28:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2021-12-06 23:28:36,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:36,937 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:36,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 23:28:37,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-06 23:28:37,138 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:37,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:37,139 INFO L85 PathProgramCache]: Analyzing trace with hash -401608452, now seen corresponding path program 1 times [2021-12-06 23:28:37,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:37,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415827342] [2021-12-06 23:28:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:37,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1938 backedges. 1222 proven. 0 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-12-06 23:28:37,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:37,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415827342] [2021-12-06 23:28:37,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415827342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:37,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:37,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:28:37,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807459655] [2021-12-06 23:28:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:37,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:28:37,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:28:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:28:37,460 INFO L87 Difference]: Start difference. First operand 20412 states and 20946 transitions. Second operand has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2021-12-06 23:28:38,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:38,882 INFO L93 Difference]: Finished difference Result 48617 states and 49890 transitions. [2021-12-06 23:28:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:28:38,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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 1079 [2021-12-06 23:28:38,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:38,902 INFO L225 Difference]: With dead ends: 48617 [2021-12-06 23:28:38,902 INFO L226 Difference]: Without dead ends: 28506 [2021-12-06 23:28:38,911 INFO L932 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 [2021-12-06 23:28:38,912 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 412 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:38,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [412 Valid, 125 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:28:38,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28506 states. [2021-12-06 23:28:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28506 to 21612. [2021-12-06 23:28:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21612 states, 21611 states have (on average 1.0266530933320994) internal successors, (22187), 21611 states have internal predecessors, (22187), 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) [2021-12-06 23:28:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21612 states to 21612 states and 22187 transitions. [2021-12-06 23:28:39,124 INFO L78 Accepts]: Start accepts. Automaton has 21612 states and 22187 transitions. Word has length 1079 [2021-12-06 23:28:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:39,125 INFO L470 AbstractCegarLoop]: Abstraction has 21612 states and 22187 transitions. [2021-12-06 23:28:39,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.25) internal successors, (561), 4 states have internal predecessors, (561), 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) [2021-12-06 23:28:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 21612 states and 22187 transitions. [2021-12-06 23:28:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2021-12-06 23:28:39,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:39,141 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:39,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 23:28:39,141 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:39,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 901124759, now seen corresponding path program 1 times [2021-12-06 23:28:39,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:39,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116113844] [2021-12-06 23:28:39,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:39,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 1329 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2021-12-06 23:28:39,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:39,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116113844] [2021-12-06 23:28:39,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116113844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:39,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:39,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:28:39,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954241652] [2021-12-06 23:28:39,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:39,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:39,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:39,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:39,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:39,420 INFO L87 Difference]: Start difference. First operand 21612 states and 22187 transitions. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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) [2021-12-06 23:28:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:40,340 INFO L93 Difference]: Finished difference Result 48270 states and 49529 transitions. [2021-12-06 23:28:40,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:40,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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 1099 [2021-12-06 23:28:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:40,357 INFO L225 Difference]: With dead ends: 48270 [2021-12-06 23:28:40,357 INFO L226 Difference]: Without dead ends: 26959 [2021-12-06 23:28:40,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:28:40,367 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 226 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:40,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 109 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 23:28:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26959 states. [2021-12-06 23:28:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26959 to 23410. [2021-12-06 23:28:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23410 states, 23409 states have (on average 1.0255457302746807) internal successors, (24007), 23409 states have internal predecessors, (24007), 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) [2021-12-06 23:28:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23410 states to 23410 states and 24007 transitions. [2021-12-06 23:28:40,581 INFO L78 Accepts]: Start accepts. Automaton has 23410 states and 24007 transitions. Word has length 1099 [2021-12-06 23:28:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:40,582 INFO L470 AbstractCegarLoop]: Abstraction has 23410 states and 24007 transitions. [2021-12-06 23:28:40,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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) [2021-12-06 23:28:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 23410 states and 24007 transitions. [2021-12-06 23:28:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2021-12-06 23:28:40,599 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:40,599 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2021-12-06 23:28:40,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 23:28:40,600 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:40,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:40,600 INFO L85 PathProgramCache]: Analyzing trace with hash -719744305, now seen corresponding path program 1 times [2021-12-06 23:28:40,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:40,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203874880] [2021-12-06 23:28:40,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:40,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 204 proven. 1108 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2021-12-06 23:28:40,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:40,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203874880] [2021-12-06 23:28:40,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203874880] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:40,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956908456] [2021-12-06 23:28:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:40,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:40,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:40,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 23:28:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:41,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:28:41,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:28:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2171 backedges. 1399 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2021-12-06 23:28:44,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:28:44,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956908456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:44,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:28:44,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:28:44,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816470692] [2021-12-06 23:28:44,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:44,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:28:44,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:28:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:44,972 INFO L87 Difference]: Start difference. First operand 23410 states and 24007 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2021-12-06 23:28:45,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:45,050 INFO L93 Difference]: Finished difference Result 46821 states and 48030 transitions. [2021-12-06 23:28:45,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:28:45,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 1175 [2021-12-06 23:28:45,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:45,065 INFO L225 Difference]: With dead ends: 46821 [2021-12-06 23:28:45,065 INFO L226 Difference]: Without dead ends: 23712 [2021-12-06 23:28:45,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1174 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:28:45,073 INFO L933 BasicCegarLoop]: 485 mSDtfsCounter, 175 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 774 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:45,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 521 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 774 Unchecked, 0.0s Time] [2021-12-06 23:28:45,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23712 states. [2021-12-06 23:28:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23712 to 23709. [2021-12-06 23:28:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23709 states, 23708 states have (on average 1.0258562510544964) internal successors, (24321), 23708 states have internal predecessors, (24321), 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) [2021-12-06 23:28:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 24321 transitions. [2021-12-06 23:28:45,276 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 24321 transitions. Word has length 1175 [2021-12-06 23:28:45,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:45,277 INFO L470 AbstractCegarLoop]: Abstraction has 23709 states and 24321 transitions. [2021-12-06 23:28:45,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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) [2021-12-06 23:28:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 24321 transitions. [2021-12-06 23:28:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1204 [2021-12-06 23:28:45,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:45,295 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 23:28:45,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 23:28:45,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-06 23:28:45,497 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:45,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1673239395, now seen corresponding path program 1 times [2021-12-06 23:28:45,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:45,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285727096] [2021-12-06 23:28:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:45,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 1085 proven. 0 refuted. 0 times theorem prover too weak. 1198 trivial. 0 not checked. [2021-12-06 23:28:45,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:45,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285727096] [2021-12-06 23:28:45,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285727096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:28:45,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:28:45,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:28:45,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722165607] [2021-12-06 23:28:45,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:28:45,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:28:45,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:28:45,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:28:45,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:28:45,886 INFO L87 Difference]: Start difference. First operand 23709 states and 24321 transitions. Second operand has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 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) [2021-12-06 23:28:47,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:28:47,328 INFO L93 Difference]: Finished difference Result 48202 states and 49445 transitions. [2021-12-06 23:28:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:28:47,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 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 1203 [2021-12-06 23:28:47,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:28:47,344 INFO L225 Difference]: With dead ends: 48202 [2021-12-06 23:28:47,344 INFO L226 Difference]: Without dead ends: 24794 [2021-12-06 23:28:47,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:28:47,352 INFO L933 BasicCegarLoop]: 481 mSDtfsCounter, 494 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:28:47,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [494 Valid, 626 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2129 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:28:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24794 states. [2021-12-06 23:28:47,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24794 to 22500. [2021-12-06 23:28:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22500 states, 22499 states have (on average 1.024801102271212) internal successors, (23057), 22499 states have internal predecessors, (23057), 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) [2021-12-06 23:28:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22500 states to 22500 states and 23057 transitions. [2021-12-06 23:28:47,554 INFO L78 Accepts]: Start accepts. Automaton has 22500 states and 23057 transitions. Word has length 1203 [2021-12-06 23:28:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:28:47,555 INFO L470 AbstractCegarLoop]: Abstraction has 22500 states and 23057 transitions. [2021-12-06 23:28:47,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.2) internal successors, (561), 5 states have internal predecessors, (561), 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) [2021-12-06 23:28:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22500 states and 23057 transitions. [2021-12-06 23:28:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2021-12-06 23:28:47,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:28:47,574 INFO L514 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:28:47,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 23:28:47,575 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:28:47,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:28:47,575 INFO L85 PathProgramCache]: Analyzing trace with hash -691368371, now seen corresponding path program 1 times [2021-12-06 23:28:47,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:28:47,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28962000] [2021-12-06 23:28:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:47,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:28:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2914 backedges. 2462 proven. 29 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2021-12-06 23:28:47,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:28:47,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28962000] [2021-12-06 23:28:47,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28962000] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:28:48,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229323136] [2021-12-06 23:28:48,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:28:48,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:28:48,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:28:48,000 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:28:48,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 23:28:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:28:48,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:28:48,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:29:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2914 backedges. 1769 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2021-12-06 23:29:02,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:29:02,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229323136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:02,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:29:02,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-12-06 23:29:02,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99552463] [2021-12-06 23:29:02,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:02,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:29:02,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:29:02,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:29:02,455 INFO L87 Difference]: Start difference. First operand 22500 states and 23057 transitions. Second operand has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 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) [2021-12-06 23:29:02,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:02,503 INFO L93 Difference]: Finished difference Result 22992 states and 23555 transitions. [2021-12-06 23:29:02,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:29:02,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 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 1321 [2021-12-06 23:29:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:02,516 INFO L225 Difference]: With dead ends: 22992 [2021-12-06 23:29:02,517 INFO L226 Difference]: Without dead ends: 22990 [2021-12-06 23:29:02,521 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1320 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:29:02,521 INFO L933 BasicCegarLoop]: 482 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 683 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:02,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 569 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 683 Unchecked, 0.0s Time] [2021-12-06 23:29:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22990 states. [2021-12-06 23:29:02,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22990 to 22746. [2021-12-06 23:29:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22746 states, 22745 states have (on average 1.024664761486041) internal successors, (23306), 22745 states have internal predecessors, (23306), 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) [2021-12-06 23:29:02,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22746 states to 22746 states and 23306 transitions. [2021-12-06 23:29:02,720 INFO L78 Accepts]: Start accepts. Automaton has 22746 states and 23306 transitions. Word has length 1321 [2021-12-06 23:29:02,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:02,721 INFO L470 AbstractCegarLoop]: Abstraction has 22746 states and 23306 transitions. [2021-12-06 23:29:02,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 140.5) internal successors, (562), 4 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) [2021-12-06 23:29:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 22746 states and 23306 transitions. [2021-12-06 23:29:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2021-12-06 23:29:02,740 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:02,741 INFO L514 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:02,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 23:29:02,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:02,943 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:02,945 INFO L85 PathProgramCache]: Analyzing trace with hash -384560017, now seen corresponding path program 1 times [2021-12-06 23:29:02,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:02,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963231947] [2021-12-06 23:29:02,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:02,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 1237 proven. 41 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2021-12-06 23:29:03,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:03,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963231947] [2021-12-06 23:29:03,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963231947] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:29:03,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682040476] [2021-12-06 23:29:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:03,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:03,408 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:29:03,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 23:29:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:03,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:29:03,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:29:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 1237 proven. 41 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2021-12-06 23:29:05,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:29:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 1237 proven. 41 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2021-12-06 23:29:08,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682040476] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:29:08,019 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:29:08,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-12-06 23:29:08,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246237370] [2021-12-06 23:29:08,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:29:08,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:29:08,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:08,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:29:08,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:29:08,022 INFO L87 Difference]: Start difference. First operand 22746 states and 23306 transitions. Second operand has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 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) [2021-12-06 23:29:09,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:09,248 INFO L93 Difference]: Finished difference Result 24754 states and 25350 transitions. [2021-12-06 23:29:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:29:09,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 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 1376 [2021-12-06 23:29:09,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:09,264 INFO L225 Difference]: With dead ends: 24754 [2021-12-06 23:29:09,264 INFO L226 Difference]: Without dead ends: 24453 [2021-12-06 23:29:09,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2756 GetRequests, 2753 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:29:09,269 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 333 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:09,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 108 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 23:29:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24453 states. [2021-12-06 23:29:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24453 to 22189. [2021-12-06 23:29:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22189 states, 22188 states have (on average 1.0250135208220659) internal successors, (22743), 22188 states have internal predecessors, (22743), 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) [2021-12-06 23:29:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22189 states to 22189 states and 22743 transitions. [2021-12-06 23:29:09,490 INFO L78 Accepts]: Start accepts. Automaton has 22189 states and 22743 transitions. Word has length 1376 [2021-12-06 23:29:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:09,492 INFO L470 AbstractCegarLoop]: Abstraction has 22189 states and 22743 transitions. [2021-12-06 23:29:09,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 154.25) internal successors, (617), 4 states have internal predecessors, (617), 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) [2021-12-06 23:29:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 22189 states and 22743 transitions. [2021-12-06 23:29:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2021-12-06 23:29:09,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:09,512 INFO L514 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:09,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 23:29:09,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:09,715 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:09,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:09,717 INFO L85 PathProgramCache]: Analyzing trace with hash 732938191, now seen corresponding path program 2 times [2021-12-06 23:29:09,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:09,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397373569] [2021-12-06 23:29:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:09,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 2291 proven. 52 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-12-06 23:29:10,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:10,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397373569] [2021-12-06 23:29:10,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397373569] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:29:10,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600006711] [2021-12-06 23:29:10,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:29:10,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:10,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:10,241 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:29:10,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 23:29:10,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 23:29:10,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:29:10,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-06 23:29:10,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:29:19,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 2294 proven. 265 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-06 23:29:19,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:29:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 2046 proven. 513 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-06 23:29:28,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600006711] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:29:28,913 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:29:28,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 22 [2021-12-06 23:29:28,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439823723] [2021-12-06 23:29:28,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:29:28,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 23:29:28,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:28,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 23:29:28,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2021-12-06 23:29:28,917 INFO L87 Difference]: Start difference. First operand 22189 states and 22743 transitions. Second operand has 22 states, 22 states have (on average 91.0909090909091) internal successors, (2004), 22 states have internal predecessors, (2004), 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) [2021-12-06 23:29:37,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:37,938 INFO L93 Difference]: Finished difference Result 53143 states and 54419 transitions. [2021-12-06 23:29:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-06 23:29:37,938 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 91.0909090909091) internal successors, (2004), 22 states have internal predecessors, (2004), 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 1376 [2021-12-06 23:29:37,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:37,959 INFO L225 Difference]: With dead ends: 53143 [2021-12-06 23:29:37,959 INFO L226 Difference]: Without dead ends: 30541 [2021-12-06 23:29:37,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2807 GetRequests, 2754 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=812, Invalid=2050, Unknown=0, NotChecked=0, Total=2862 [2021-12-06 23:29:37,970 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 4733 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 14220 mSolverCounterSat, 918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 15138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 918 IncrementalHoareTripleChecker+Valid, 14220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:37,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4733 Valid, 436 Invalid, 15138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [918 Valid, 14220 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-06 23:29:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30541 states. [2021-12-06 23:29:38,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30541 to 21426. [2021-12-06 23:29:38,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21426 states, 21425 states have (on average 1.0251575262543757) internal successors, (21964), 21425 states have internal predecessors, (21964), 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) [2021-12-06 23:29:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21426 states to 21426 states and 21964 transitions. [2021-12-06 23:29:38,204 INFO L78 Accepts]: Start accepts. Automaton has 21426 states and 21964 transitions. Word has length 1376 [2021-12-06 23:29:38,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:38,205 INFO L470 AbstractCegarLoop]: Abstraction has 21426 states and 21964 transitions. [2021-12-06 23:29:38,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 91.0909090909091) internal successors, (2004), 22 states have internal predecessors, (2004), 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) [2021-12-06 23:29:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 21426 states and 21964 transitions. [2021-12-06 23:29:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1556 [2021-12-06 23:29:38,227 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:38,227 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:38,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 23:29:38,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:38,430 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:38,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:38,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1493990681, now seen corresponding path program 1 times [2021-12-06 23:29:38,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:38,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776747876] [2021-12-06 23:29:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:38,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4806 backedges. 2051 proven. 188 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2021-12-06 23:29:38,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:38,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776747876] [2021-12-06 23:29:38,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776747876] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:29:38,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587075274] [2021-12-06 23:29:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:38,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:38,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:38,949 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:29:38,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 23:29:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:39,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:29:39,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:30:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4806 backedges. 2343 proven. 242 refuted. 0 times theorem prover too weak. 2221 trivial. 0 not checked. [2021-12-06 23:30:50,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:30:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4806 backedges. 2343 proven. 242 refuted. 0 times theorem prover too weak. 2221 trivial. 0 not checked. [2021-12-06 23:30:52,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587075274] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:30:52,351 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:30:52,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2021-12-06 23:30:52,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153854228] [2021-12-06 23:30:52,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:30:52,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 23:30:52,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:30:52,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 23:30:52,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:30:52,355 INFO L87 Difference]: Start difference. First operand 21426 states and 21964 transitions. Second operand has 11 states, 11 states have (on average 190.1818181818182) internal successors, (2092), 11 states have internal predecessors, (2092), 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) [2021-12-06 23:30:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:30:56,138 INFO L93 Difference]: Finished difference Result 53530 states and 54781 transitions. [2021-12-06 23:30:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 23:30:56,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 190.1818181818182) internal successors, (2092), 11 states have internal predecessors, (2092), 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 1555 [2021-12-06 23:30:56,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:30:56,161 INFO L225 Difference]: With dead ends: 53530 [2021-12-06 23:30:56,161 INFO L226 Difference]: Without dead ends: 32405 [2021-12-06 23:30:56,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3132 GetRequests, 3115 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2021-12-06 23:30:56,172 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 1725 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 3927 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 8287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3952 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:30:56,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 324 Invalid, 8287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3927 Invalid, 0 Unknown, 3952 Unchecked, 3.4s Time] [2021-12-06 23:30:56,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32405 states. [2021-12-06 23:30:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32405 to 20894. [2021-12-06 23:30:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20894 states, 20893 states have (on average 1.024362226583066) internal successors, (21402), 20893 states have internal predecessors, (21402), 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) [2021-12-06 23:30:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20894 states to 20894 states and 21402 transitions. [2021-12-06 23:30:56,415 INFO L78 Accepts]: Start accepts. Automaton has 20894 states and 21402 transitions. Word has length 1555 [2021-12-06 23:30:56,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:30:56,416 INFO L470 AbstractCegarLoop]: Abstraction has 20894 states and 21402 transitions. [2021-12-06 23:30:56,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 190.1818181818182) internal successors, (2092), 11 states have internal predecessors, (2092), 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) [2021-12-06 23:30:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 20894 states and 21402 transitions. [2021-12-06 23:30:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1681 [2021-12-06 23:30:56,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:30:56,439 INFO L514 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, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:30:56,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 23:30:56,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-12-06 23:30:56,641 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:30:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:30:56,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1024862436, now seen corresponding path program 1 times [2021-12-06 23:30:56,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:30:56,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030484898] [2021-12-06 23:30:56,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:30:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:30:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:30:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6552 backedges. 2756 proven. 0 refuted. 0 times theorem prover too weak. 3796 trivial. 0 not checked. [2021-12-06 23:30:57,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:30:57,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030484898] [2021-12-06 23:30:57,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030484898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:30:57,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:30:57,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:30:57,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049132466] [2021-12-06 23:30:57,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:30:57,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:30:57,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:30:57,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:30:57,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:30:57,197 INFO L87 Difference]: Start difference. First operand 20894 states and 21402 transitions. Second operand has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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) [2021-12-06 23:30:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:30:57,885 INFO L93 Difference]: Finished difference Result 38744 states and 39668 transitions. [2021-12-06 23:30:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:30:57,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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 1680 [2021-12-06 23:30:57,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:30:57,887 INFO L225 Difference]: With dead ends: 38744 [2021-12-06 23:30:57,887 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:30:57,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:30:57,897 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 186 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:30:57,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 187 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:30:57,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:30:57,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:30:57,897 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) [2021-12-06 23:30:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:30:57,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1680 [2021-12-06 23:30:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:30:57,898 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:30:57,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 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) [2021-12-06 23:30:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:30:57,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:30:57,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:30:57,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-06 23:30:57,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:31:08,394 WARN L227 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 728 DAG size of output: 717 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 23:32:34,894 WARN L227 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 1139 DAG size of output: 1128 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 23:34:01,410 WARN L227 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 1139 DAG size of output: 1128 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 23:34:21,385 WARN L227 SmtUtils]: Spent 15.13s on a formula simplification. DAG size of input: 1128 DAG size of output: 241 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 23:34:34,626 WARN L227 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 1128 DAG size of output: 241 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-06 23:34:34,629 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 23:34:34,630 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,631 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,632 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,633 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 23:34:34,634 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-06 23:34:34,635 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 146) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 23:34:34,636 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,637 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-06 23:34:34,638 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,639 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,640 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-06 23:34:34,641 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,642 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 23:34:34,643 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,644 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,645 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,646 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse36 (+ ~a0~0 61)) (.cse35 (+ ~a4~0 86))) (let ((.cse5 (= ~a2~0 4)) (.cse0 (+ ~a29~0 127)) (.cse32 (+ 98 ~a0~0)) (.cse19 (< 0 .cse35)) (.cse2 (= ~a2~0 1)) (.cse34 (<= ~a29~0 401234)) (.cse10 (<= .cse36 0)) (.cse24 (+ ~a0~0 147))) (let ((.cse27 (< 0 .cse36)) (.cse20 (= 5 ~a2~0)) (.cse21 (or (= |ULTIMATE.start_calculate_output2_~input#1| 1) (= 3 |ULTIMATE.start_calculate_output2_~input#1|) (= 5 |ULTIMATE.start_calculate_output2_~input#1|) (= 2 |ULTIMATE.start_calculate_output2_~input#1|) (= 6 |ULTIMATE.start_calculate_output2_~input#1|) (= |ULTIMATE.start_calculate_output2_~input#1| 4))) (.cse14 (<= 5 ~a2~0)) (.cse23 (or (= |ULTIMATE.start_calculate_output_~input#1| 6) (= |ULTIMATE.start_calculate_output_~input#1| 2) (= |ULTIMATE.start_calculate_output_~input#1| 1) (= |ULTIMATE.start_calculate_output_~input#1| 3) (= |ULTIMATE.start_calculate_output_~input#1| 4) (= |ULTIMATE.start_calculate_output_~input#1| 5))) (.cse8 (<= (+ ~a0~0 386992) 0)) (.cse26 (= 3 ~a2~0)) (.cse25 (< 0 .cse24)) (.cse16 (<= 0 (+ ~a0~0 459337))) (.cse30 (< 0 (+ (div (+ (* (div (* ~a0~0 10) 4) 10) 10) 9) 92696))) (.cse4 (<= ~a29~0 42)) (.cse15 (<= 0 (+ ~a29~0 141))) (.cse33 (<= (+ ~a4~0 504331) 0)) (.cse13 (<= ~a29~0 41)) (.cse31 (<= 0 (+ ~a29~0 15))) (.cse18 (or (and .cse19 .cse2 .cse34) (and .cse2 .cse34 .cse10))) (.cse6 (< 43 ~a29~0)) (.cse28 (<= .cse32 0)) (.cse29 (<= .cse35 0)) (.cse11 (<= (+ ~a0~0 121) 0)) (.cse9 (< 0 (+ ~a0~0 600207))) (.cse17 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= .cse0 0)) (.cse22 (<= 0 (+ 97 ~a0~0))) (.cse7 (= 2 ~a2~0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse12 (not .cse5))) (or (and (<= 0 .cse0) .cse1 .cse2 (<= 0 (+ 44 ~a0~0)) .cse3) (and .cse1 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10) (and .cse1 .cse11 .cse12 .cse10) (and .cse13 .cse1 .cse14 .cse15) (and .cse16 .cse13 .cse17 .cse18 .cse15) (and .cse19 .cse20 .cse21 .cse22 .cse17 .cse4 .cse14 .cse15 .cse23 .cse10) (and .cse19 .cse6 .cse17 (<= .cse24 0) .cse5 .cse9) (and .cse25 .cse17 .cse5 .cse10) (and .cse17 .cse15 .cse26 .cse10) (and .cse27 .cse6 .cse1 .cse14) (and .cse19 .cse17 .cse7 .cse11 .cse9) (and .cse6 .cse17 .cse14 .cse11 .cse9 .cse10) (and .cse6 .cse1 .cse26) (and .cse19 .cse25 .cse20 .cse21 .cse17 .cse28 .cse4 .cse14 .cse23 .cse10) (and .cse27 .cse6 .cse7 .cse1) (and .cse7 .cse1 .cse4) (and .cse6 .cse17 .cse2 .cse11 .cse9) (and .cse2 .cse29 .cse10 (<= (+ ~a29~0 144) 0)) (and .cse1 .cse14 .cse12 .cse10) (and .cse19 .cse25 .cse20 .cse21 .cse6 .cse17 .cse28 .cse14 .cse23 .cse10) (and .cse13 .cse1 .cse26) (and .cse1 .cse4 .cse12 .cse10) (and .cse17 .cse8 .cse26 .cse10) (and .cse19 .cse17 .cse11 .cse26) (and .cse30 .cse17 .cse26 .cse10) (and .cse1 .cse5 .cse10) (and .cse19 .cse17 .cse7 .cse31 .cse11) (and .cse19 .cse25 .cse17 .cse28 .cse2 .cse10) (and .cse13 .cse17 .cse18 (< 0 .cse32)) (and .cse17 (<= 140809 ~a0~0) .cse15 .cse5) (and .cse6 .cse7 .cse28 .cse33) (and .cse19 .cse16 .cse17 .cse11 .cse5) (and .cse19 .cse30 .cse17 .cse7 .cse4 .cse10) (and .cse2 .cse15 .cse33 .cse34) (and .cse13 .cse17 .cse31 .cse18 .cse9) (and .cse19 .cse6 .cse17 .cse7 .cse28) (and .cse2 .cse29 .cse11 .cse9 .cse10) (and .cse19 .cse17 .cse7 .cse3) (and .cse22 .cse7 .cse1 .cse12 (<= ~a29~0 43) .cse10))))) [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,647 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,648 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,649 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse43 (+ ~a0~0 61)) (.cse41 (+ ~a4~0 86))) (let ((.cse14 (+ ~a29~0 127)) (.cse18 (= ~a2~0 4)) (.cse0 (< 0 .cse41)) (.cse16 (= ~a2~0 1)) (.cse40 (<= ~a29~0 401234)) (.cse10 (<= .cse43 0)) (.cse42 (+ 98 ~a0~0)) (.cse11 (< 0 (+ ~a0~0 147))) (.cse1 (= 5 ~a2~0)) (.cse12 (< 43 ~a29~0))) (let ((.cse4 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse5 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse7 (= |ULTIMATE.start_calculate_output_~input#1| 5)) (.cse28 (<= 0 (+ ~a0~0 459337))) (.cse36 (< 0 .cse43)) (.cse3 (<= 5 ~a2~0)) (.cse6 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse20 (<= ~a29~0 42)) (.cse22 (or .cse11 (and .cse1 .cse12))) (.cse33 (< 0 .cse42)) (.cse8 (<= (+ ~a0~0 386992) 0)) (.cse32 (<= 0 (+ ~a29~0 141))) (.cse39 (<= (+ ~a4~0 504331) 0)) (.cse31 (<= ~a29~0 41)) (.cse37 (<= 0 (+ ~a29~0 15))) (.cse34 (or (and .cse0 .cse16 .cse40) (and .cse16 .cse40 .cse10))) (.cse13 (<= .cse42 0)) (.cse38 (<= .cse41 0)) (.cse29 (<= (+ ~a0~0 121) 0)) (.cse19 (< 0 (+ ~a0~0 600207))) (.cse21 (= 2 ~a2~0)) (.cse15 (<= (+ 89 ~a4~0) 0)) (.cse30 (not .cse18)) (.cse2 (<= (+ 42 ~a4~0) 0)) (.cse35 (= 3 ~a2~0)) (.cse17 (<= .cse14 0))) (or (and .cse0 .cse1 .cse2 .cse3 (or .cse4 .cse5 .cse6 .cse7) .cse8 (exists ((v_~a0~0_831 Int)) (and (let ((.cse9 (div (+ (* v_~a0~0_831 10) (- 4869710)) 9))) (or (and (<= .cse9 ~a0~0) (or (<= 4869710 (* 10 v_~a0~0_831)) (= (mod (+ v_~a0~0_831 1) 9) 0))) (<= (+ .cse9 1) ~a0~0))) (< 0 (+ 147 v_~a0~0_831)))) .cse10) (and .cse0 .cse11 .cse1 .cse12 .cse2 .cse13 .cse3 .cse10) (and (<= 0 .cse14) .cse15 .cse16 (<= 0 (+ 44 ~a0~0)) .cse17) (and .cse0 .cse12 .cse2 .cse8 .cse18 .cse19) (and .cse15 .cse20 .cse18) (and .cse0 .cse2 .cse21 .cse20 .cse22 .cse10) (and .cse12 .cse21 .cse8 .cse19) (and .cse21 .cse15 (exists ((v_~a29~0_897 Int)) (let ((.cse27 (* v_~a29~0_897 9))) (let ((.cse24 (div .cse27 10))) (let ((.cse23 (mod .cse24 29))) (and (or (= .cse23 0) (<= 0 .cse24)) (let ((.cse25 (+ .cse24 1)) (.cse26 (<= ~a29~0 (+ .cse23 14)))) (or (and (<= 0 .cse25) .cse26) (<= (+ ~a29~0 15) (mod .cse25 29)) (and (= 0 (mod .cse27 10)) .cse26))))))))) (and .cse0 .cse28 .cse2 .cse18 .cse10) (and .cse15 .cse16 .cse10) (and .cse15 .cse29 .cse30 .cse10) (and .cse31 .cse15 .cse3 .cse32) (and .cse0 .cse1 .cse2 .cse20 .cse3 .cse32 (or .cse4 (= |ULTIMATE.start_calculate_output_~input#1| 2) .cse5 (= |ULTIMATE.start_calculate_output_~input#1| 3) .cse6 .cse7) .cse33 .cse10) (and .cse28 .cse31 .cse2 .cse34 .cse32) (and .cse11 .cse2 .cse18 .cse10) (and .cse2 .cse32 .cse35 .cse10) (and .cse36 .cse12 .cse15 .cse3) (and .cse0 .cse2 .cse21 .cse29 .cse19) (and .cse12 .cse2 .cse3 .cse29 .cse19 .cse10) (and .cse12 .cse15 .cse35) (and .cse36 .cse12 .cse21 .cse15) (and .cse12 .cse2 .cse16 .cse29 .cse19) (and .cse15 .cse3 .cse30 .cse10) (and .cse0 .cse11 .cse1 .cse2 .cse13 .cse20 .cse3 .cse10) (and .cse0 .cse1 .cse2 .cse20 .cse3 .cse29 (not .cse6) (<= 0 (+ 142 ~a29~0)) .cse19 .cse10) (and .cse31 .cse15 .cse35) (and .cse15 .cse20 .cse30 .cse10) (and (< 0 (+ (div (+ (* (div (* ~a0~0 10) 4) 10) 10) 9) 92696)) .cse2 .cse35 .cse10) (and .cse15 .cse18 .cse10) (and .cse0 .cse2 .cse13 .cse16 .cse22 .cse10) (and .cse0 .cse2 .cse21 .cse37 .cse29) (and .cse16 .cse38 (<= (+ ~a29~0 144) 0)) (and .cse31 .cse2 .cse34 .cse33) (and .cse2 .cse8 .cse35 .cse17 .cse10) (and .cse2 (<= 140809 ~a0~0) .cse32 .cse18) (and .cse12 .cse21 .cse13 .cse39) (and .cse16 .cse32 .cse39 .cse40) (and .cse31 .cse2 .cse37 .cse34 .cse19) (and .cse0 .cse12 .cse2 .cse21 .cse13) (and .cse16 .cse38 .cse29 .cse19 .cse10) (and .cse0 .cse2 .cse21 .cse17) (and (<= 0 (+ 97 ~a0~0)) .cse21 .cse15 .cse30 (<= ~a29~0 43) .cse10) (and .cse0 .cse2 .cse35 .cse17 .cse10))))) [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,650 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,651 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-06 23:34:34,652 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,653 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,654 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse43 (+ ~a0~0 61)) (.cse41 (+ ~a4~0 86))) (let ((.cse14 (+ ~a29~0 127)) (.cse18 (= ~a2~0 4)) (.cse0 (< 0 .cse41)) (.cse16 (= ~a2~0 1)) (.cse40 (<= ~a29~0 401234)) (.cse10 (<= .cse43 0)) (.cse42 (+ 98 ~a0~0)) (.cse11 (< 0 (+ ~a0~0 147))) (.cse1 (= 5 ~a2~0)) (.cse12 (< 43 ~a29~0))) (let ((.cse4 (= |ULTIMATE.start_calculate_output_~input#1| 6)) (.cse5 (= |ULTIMATE.start_calculate_output_~input#1| 1)) (.cse7 (= |ULTIMATE.start_calculate_output_~input#1| 5)) (.cse28 (<= 0 (+ ~a0~0 459337))) (.cse36 (< 0 .cse43)) (.cse3 (<= 5 ~a2~0)) (.cse6 (= |ULTIMATE.start_calculate_output_~input#1| 4)) (.cse20 (<= ~a29~0 42)) (.cse22 (or .cse11 (and .cse1 .cse12))) (.cse33 (< 0 .cse42)) (.cse8 (<= (+ ~a0~0 386992) 0)) (.cse32 (<= 0 (+ ~a29~0 141))) (.cse39 (<= (+ ~a4~0 504331) 0)) (.cse31 (<= ~a29~0 41)) (.cse37 (<= 0 (+ ~a29~0 15))) (.cse34 (or (and .cse0 .cse16 .cse40) (and .cse16 .cse40 .cse10))) (.cse13 (<= .cse42 0)) (.cse38 (<= .cse41 0)) (.cse29 (<= (+ ~a0~0 121) 0)) (.cse19 (< 0 (+ ~a0~0 600207))) (.cse21 (= 2 ~a2~0)) (.cse15 (<= (+ 89 ~a4~0) 0)) (.cse30 (not .cse18)) (.cse2 (<= (+ 42 ~a4~0) 0)) (.cse35 (= 3 ~a2~0)) (.cse17 (<= .cse14 0))) (or (and .cse0 .cse1 .cse2 .cse3 (or .cse4 .cse5 .cse6 .cse7) .cse8 (exists ((v_~a0~0_831 Int)) (and (let ((.cse9 (div (+ (* v_~a0~0_831 10) (- 4869710)) 9))) (or (and (<= .cse9 ~a0~0) (or (<= 4869710 (* 10 v_~a0~0_831)) (= (mod (+ v_~a0~0_831 1) 9) 0))) (<= (+ .cse9 1) ~a0~0))) (< 0 (+ 147 v_~a0~0_831)))) .cse10) (and .cse0 .cse11 .cse1 .cse12 .cse2 .cse13 .cse3 .cse10) (and (<= 0 .cse14) .cse15 .cse16 (<= 0 (+ 44 ~a0~0)) .cse17) (and .cse0 .cse12 .cse2 .cse8 .cse18 .cse19) (and .cse15 .cse20 .cse18) (and .cse0 .cse2 .cse21 .cse20 .cse22 .cse10) (and .cse12 .cse21 .cse8 .cse19) (and .cse21 .cse15 (exists ((v_~a29~0_897 Int)) (let ((.cse27 (* v_~a29~0_897 9))) (let ((.cse24 (div .cse27 10))) (let ((.cse23 (mod .cse24 29))) (and (or (= .cse23 0) (<= 0 .cse24)) (let ((.cse25 (+ .cse24 1)) (.cse26 (<= ~a29~0 (+ .cse23 14)))) (or (and (<= 0 .cse25) .cse26) (<= (+ ~a29~0 15) (mod .cse25 29)) (and (= 0 (mod .cse27 10)) .cse26))))))))) (and .cse0 .cse28 .cse2 .cse18 .cse10) (and .cse15 .cse16 .cse10) (and .cse15 .cse29 .cse30 .cse10) (and .cse31 .cse15 .cse3 .cse32) (and .cse0 .cse1 .cse2 .cse20 .cse3 .cse32 (or .cse4 (= |ULTIMATE.start_calculate_output_~input#1| 2) .cse5 (= |ULTIMATE.start_calculate_output_~input#1| 3) .cse6 .cse7) .cse33 .cse10) (and .cse28 .cse31 .cse2 .cse34 .cse32) (and .cse11 .cse2 .cse18 .cse10) (and .cse2 .cse32 .cse35 .cse10) (and .cse36 .cse12 .cse15 .cse3) (and .cse0 .cse2 .cse21 .cse29 .cse19) (and .cse12 .cse2 .cse3 .cse29 .cse19 .cse10) (and .cse12 .cse15 .cse35) (and .cse36 .cse12 .cse21 .cse15) (and .cse12 .cse2 .cse16 .cse29 .cse19) (and .cse15 .cse3 .cse30 .cse10) (and .cse0 .cse11 .cse1 .cse2 .cse13 .cse20 .cse3 .cse10) (and .cse0 .cse1 .cse2 .cse20 .cse3 .cse29 (not .cse6) (<= 0 (+ 142 ~a29~0)) .cse19 .cse10) (and .cse31 .cse15 .cse35) (and .cse15 .cse20 .cse30 .cse10) (and (< 0 (+ (div (+ (* (div (* ~a0~0 10) 4) 10) 10) 9) 92696)) .cse2 .cse35 .cse10) (and .cse15 .cse18 .cse10) (and .cse0 .cse2 .cse13 .cse16 .cse22 .cse10) (and .cse0 .cse2 .cse21 .cse37 .cse29) (and .cse16 .cse38 (<= (+ ~a29~0 144) 0)) (and .cse31 .cse2 .cse34 .cse33) (and .cse2 .cse8 .cse35 .cse17 .cse10) (and .cse2 (<= 140809 ~a0~0) .cse32 .cse18) (and .cse12 .cse21 .cse13 .cse39) (and .cse16 .cse32 .cse39 .cse40) (and .cse31 .cse2 .cse37 .cse34 .cse19) (and .cse0 .cse12 .cse2 .cse21 .cse13) (and .cse16 .cse38 .cse29 .cse19 .cse10) (and .cse0 .cse2 .cse21 .cse17) (and (<= 0 (+ 97 ~a0~0)) .cse21 .cse15 .cse30 (<= ~a29~0 43) .cse10) (and .cse0 .cse2 .cse35 .cse17 .cse10))))) [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-06 23:34:34,655 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,656 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 23:34:34,657 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,658 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-06 23:34:34,659 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-06 23:34:34,661 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:34:34,662 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:34:34,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,687 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,688 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,689 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,692 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,693 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:34:34 BoogieIcfgContainer [2021-12-06 23:34:34,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:34:34,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:34:34,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:34:34,706 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:34:34,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:27:38" (3/4) ... [2021-12-06 23:34:34,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:34:34,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 23:34:34,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:34:34,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:34:34,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:34:34,760 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 5 <= a2) && (((input == 6 || input == 1) || input == 4) || input == 5)) && a0 + 386992 <= 0) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && a0 + 61 <= 0) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 386992 <= 0) && a2 == 4) && 0 < a0 + 600207)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 <= 42) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 386992 <= 0) && 0 < a0 + 600207)) || ((2 == a2 && 89 + a4 <= 0) && (\exists v_~a29~0_897 : int :: (v_~a29~0_897 * 9 / 10 % 29 == 0 || 0 <= v_~a29~0_897 * 9 / 10) && (((0 <= v_~a29~0_897 * 9 / 10 + 1 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14) || a29 + 15 <= (v_~a29~0_897 * 9 / 10 + 1) % 29) || (0 == v_~a29~0_897 * 9 % 10 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14))))) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a0 + 121 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((a29 <= 41 && 89 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 141)) || ((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 141) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 141)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 141) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 89 + a4 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((((43 < a29 && 42 + a4 <= 0) && 5 <= a2) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 43 < a29) && 2 == a2) && 89 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 61 <= 0)) || (((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 121 <= 0) && !(input == 4)) && 0 <= 142 + a29) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((89 + a4 <= 0 && a29 <= 42) && !(a2 == 4)) && a0 + 61 <= 0)) || (((0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696 && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 121 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < 98 + a0)) || ((((42 + a4 <= 0 && a0 + 386992 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 140809 <= a0) && 0 <= a29 + 141) && a2 == 4)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a4 + 504331 <= 0)) || (((a2 == 1 && 0 <= a29 + 141) && a4 + 504331 <= 0) && a29 <= 401234)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= a29 + 15) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a0 + 600207)) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((a2 == 1 && a4 + 86 <= 0) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0) [2021-12-06 23:34:34,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 5 <= a2) && (((input == 6 || input == 1) || input == 4) || input == 5)) && a0 + 386992 <= 0) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && a0 + 61 <= 0) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 386992 <= 0) && a2 == 4) && 0 < a0 + 600207)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 <= 42) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 386992 <= 0) && 0 < a0 + 600207)) || ((2 == a2 && 89 + a4 <= 0) && (\exists v_~a29~0_897 : int :: (v_~a29~0_897 * 9 / 10 % 29 == 0 || 0 <= v_~a29~0_897 * 9 / 10) && (((0 <= v_~a29~0_897 * 9 / 10 + 1 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14) || a29 + 15 <= (v_~a29~0_897 * 9 / 10 + 1) % 29) || (0 == v_~a29~0_897 * 9 % 10 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14))))) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a0 + 121 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((a29 <= 41 && 89 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 141)) || ((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 141) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 141)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 141) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 89 + a4 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((((43 < a29 && 42 + a4 <= 0) && 5 <= a2) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 43 < a29) && 2 == a2) && 89 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 61 <= 0)) || (((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 121 <= 0) && !(input == 4)) && 0 <= 142 + a29) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((89 + a4 <= 0 && a29 <= 42) && !(a2 == 4)) && a0 + 61 <= 0)) || (((0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696 && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 121 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < 98 + a0)) || ((((42 + a4 <= 0 && a0 + 386992 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 140809 <= a0) && 0 <= a29 + 141) && a2 == 4)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a4 + 504331 <= 0)) || (((a2 == 1 && 0 <= a29 + 141) && a4 + 504331 <= 0) && a29 <= 401234)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= a29 + 15) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a0 + 600207)) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((a2 == 1 && a4 + 86 <= 0) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0) [2021-12-06 23:34:34,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:34:34,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:34:34,871 INFO L158 Benchmark]: Toolchain (without parser) took 419952.23ms. Allocated memory was 77.6MB in the beginning and 1.8GB in the end (delta: 1.8GB). Free memory was 50.0MB in the beginning and 354.5MB in the end (delta: -304.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-06 23:34:34,872 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:34:34,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.73ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 49.8MB in the beginning and 39.5MB in the end (delta: 10.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-12-06 23:34:34,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.16ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 47.7MB in the end (delta: -9.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-12-06 23:34:34,872 INFO L158 Benchmark]: Boogie Preprocessor took 181.36ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 51.8MB in the end (delta: -4.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-06 23:34:34,872 INFO L158 Benchmark]: RCFGBuilder took 2123.45ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 51.8MB in the beginning and 116.1MB in the end (delta: -64.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-12-06 23:34:34,873 INFO L158 Benchmark]: TraceAbstraction took 416530.38ms. Allocated memory was 182.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.1MB in the beginning and 396.4MB in the end (delta: -280.3MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-12-06 23:34:34,873 INFO L158 Benchmark]: Witness Printer took 165.59ms. Allocated memory is still 1.8GB. Free memory was 396.4MB in the beginning and 354.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-06 23:34:34,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.73ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 49.8MB in the beginning and 39.5MB in the end (delta: 10.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.16ms. Allocated memory is still 117.4MB. Free memory was 38.7MB in the beginning and 47.7MB in the end (delta: -9.0MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.36ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 51.8MB in the end (delta: -4.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2123.45ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 51.8MB in the beginning and 116.1MB in the end (delta: -64.3MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * TraceAbstraction took 416530.38ms. Allocated memory was 182.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.1MB in the beginning and 396.4MB in the end (delta: -280.3MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 165.59ms. Allocated memory is still 1.8GB. Free memory was 396.4MB in the beginning and 354.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] * 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: 146]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 416.4s, OverallIterations: 34, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 53.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 216.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17880 SdHoareTripleChecker+Valid, 48.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17880 mSDsluCounter, 12677 SdHoareTripleChecker+Invalid, 41.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7022 IncrementalHoareTripleChecker+Unchecked, 2156 mSDsCounter, 6175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50825 IncrementalHoareTripleChecker+Invalid, 64022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6175 mSolverCounterUnsat, 10521 mSDtfsCounter, 50825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15716 GetRequests, 15571 SyntacticMatches, 1 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23709occurred in iteration=28, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.5s AutomataMinimizationTime, 34 MinimizatonAttempts, 62521 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 307 NumberOfFragments, 3378 HoareAnnotationTreeSize, 4 FomulaSimplifications, 737700 FormulaSimplificationTreeSizeReduction, 183.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2405774 FormulaSimplificationTreeSizeReductionInter, 33.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 133.9s InterpolantComputationTime, 35918 NumberOfCodeBlocks, 35918 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 40775 ConstructedInterpolants, 1262 QuantifiedInterpolants, 251395 SizeOfPredicates, 26 NumberOfNonLiveVariables, 12439 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 48 InterpolantComputations, 30 PerfectInterpolantSequences, 72094/75594 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((43 < a29 && 2 == a2) && a0 + 386992 <= 0) && 0 < a0 + 600207)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a0 + 121 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((a29 <= 41 && 89 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 141)) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 141)) || (((((((((0 < a4 + 86 && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 0 <= 97 + a0) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 141) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4) && 0 < a0 + 600207)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 141) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 89 + a4 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((((43 < a29 && 42 + a4 <= 0) && 5 <= a2) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 3 == a2)) || (((((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 2 == a2) && 89 + a4 <= 0)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 42)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && (((((input == 1 || 3 == input) || 5 == input) || 2 == input) || 6 == input) || input == 4)) && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && a0 + 61 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((89 + a4 <= 0 && a29 <= 42) && !(a2 == 4)) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && a0 + 386992 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 121 <= 0) && 3 == a2)) || (((0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696 && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 121 <= 0)) || (((((0 < a4 + 86 && 0 < a0 + 147) && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a0 + 61 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < 98 + a0)) || (((42 + a4 <= 0 && 140809 <= a0) && 0 <= a29 + 141) && a2 == 4)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a4 + 504331 <= 0)) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && a0 + 121 <= 0) && a2 == 4)) || (((((0 < a4 + 86 && 0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696) && 42 + a4 <= 0) && 2 == a2) && a29 <= 42) && a0 + 61 <= 0)) || (((a2 == 1 && 0 <= a29 + 141) && a4 + 504331 <= 0) && a29 <= 401234)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= a29 + 15) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a0 + 600207)) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((a2 == 1 && a4 + 86 <= 0) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a29 <= 43) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant [2021-12-06 23:34:34,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,881 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,882 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,883 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,883 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,885 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,886 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 5 <= a2) && (((input == 6 || input == 1) || input == 4) || input == 5)) && a0 + 386992 <= 0) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && a0 + 61 <= 0) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 386992 <= 0) && a2 == 4) && 0 < a0 + 600207)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 <= 42) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 386992 <= 0) && 0 < a0 + 600207)) || ((2 == a2 && 89 + a4 <= 0) && (\exists v_~a29~0_897 : int :: (v_~a29~0_897 * 9 / 10 % 29 == 0 || 0 <= v_~a29~0_897 * 9 / 10) && (((0 <= v_~a29~0_897 * 9 / 10 + 1 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14) || a29 + 15 <= (v_~a29~0_897 * 9 / 10 + 1) % 29) || (0 == v_~a29~0_897 * 9 % 10 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14))))) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a0 + 121 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((a29 <= 41 && 89 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 141)) || ((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 141) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 141)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 141) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 89 + a4 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((((43 < a29 && 42 + a4 <= 0) && 5 <= a2) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 43 < a29) && 2 == a2) && 89 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 61 <= 0)) || (((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 121 <= 0) && !(input == 4)) && 0 <= 142 + a29) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((89 + a4 <= 0 && a29 <= 42) && !(a2 == 4)) && a0 + 61 <= 0)) || (((0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696 && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 121 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < 98 + a0)) || ((((42 + a4 <= 0 && a0 + 386992 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 140809 <= a0) && 0 <= a29 + 141) && a2 == 4)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a4 + 504331 <= 0)) || (((a2 == 1 && 0 <= a29 + 141) && a4 + 504331 <= 0) && a29 <= 401234)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= a29 + 15) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a0 + 600207)) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((a2 == 1 && a4 + 86 <= 0) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant [2021-12-06 23:34:34,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,888 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,889 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_831,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] [2021-12-06 23:34:34,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_897,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && 5 <= a2) && (((input == 6 || input == 1) || input == 4) || input == 5)) && a0 + 386992 <= 0) && (\exists v_~a0~0_831 : int :: (((v_~a0~0_831 * 10 + -4869710) / 9 <= a0 && (4869710 <= 10 * v_~a0~0_831 || (v_~a0~0_831 + 1) % 9 == 0)) || (v_~a0~0_831 * 10 + -4869710) / 9 + 1 <= a0) && 0 < 147 + v_~a0~0_831)) && a0 + 61 <= 0) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 386992 <= 0) && a2 == 4) && 0 < a0 + 600207)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 <= 42) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || (((43 < a29 && 2 == a2) && a0 + 386992 <= 0) && 0 < a0 + 600207)) || ((2 == a2 && 89 + a4 <= 0) && (\exists v_~a29~0_897 : int :: (v_~a29~0_897 * 9 / 10 % 29 == 0 || 0 <= v_~a29~0_897 * 9 / 10) && (((0 <= v_~a29~0_897 * 9 / 10 + 1 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14) || a29 + 15 <= (v_~a29~0_897 * 9 / 10 + 1) % 29) || (0 == v_~a29~0_897 * 9 % 10 && a29 <= v_~a29~0_897 * 9 / 10 % 29 + 14))))) || ((((0 < a4 + 86 && 0 <= a0 + 459337) && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a0 + 121 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((a29 <= 41 && 89 + a4 <= 0) && 5 <= a2) && 0 <= a29 + 141)) || ((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 141) && (((((input == 6 || input == 2) || input == 1) || input == 3) || input == 4) || input == 5)) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((((0 <= a0 + 459337 && a29 <= 41) && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 <= a29 + 141)) || (((0 < a0 + 147 && 42 + a4 <= 0) && a2 == 4) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 0 <= a29 + 141) && 3 == a2) && a0 + 61 <= 0)) || (((0 < a0 + 61 && 43 < a29) && 89 + a4 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((((43 < a29 && 42 + a4 <= 0) && 5 <= a2) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((43 < a29 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a0 + 61 && 43 < a29) && 2 == a2) && 89 + a4 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && a2 == 1) && a0 + 121 <= 0) && 0 < a0 + 600207)) || (((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((((0 < a4 + 86 && 0 < a0 + 147) && 5 == a2) && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 61 <= 0)) || (((((((((0 < a4 + 86 && 5 == a2) && 42 + a4 <= 0) && a29 <= 42) && 5 <= a2) && a0 + 121 <= 0) && !(input == 4)) && 0 <= 142 + a29) && 0 < a0 + 600207) && a0 + 61 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && 3 == a2)) || (((89 + a4 <= 0 && a29 <= 42) && !(a2 == 4)) && a0 + 61 <= 0)) || (((0 < (a0 * 10 / 4 * 10 + 10) / 9 + 92696 && 42 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && (0 < a0 + 147 || (5 == a2 && 43 < a29))) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 121 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a29 <= 41 && 42 + a4 <= 0) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < 98 + a0)) || ((((42 + a4 <= 0 && a0 + 386992 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || (((42 + a4 <= 0 && 140809 <= a0) && 0 <= a29 + 141) && a2 == 4)) || (((43 < a29 && 2 == a2) && 98 + a0 <= 0) && a4 + 504331 <= 0)) || (((a2 == 1 && 0 <= a29 + 141) && a4 + 504331 <= 0) && a29 <= 401234)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= a29 + 15) && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0))) && 0 < a0 + 600207)) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0)) || ((((a2 == 1 && a4 + 86 <= 0) && a0 + 121 <= 0) && 0 < a0 + 600207) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a29 + 127 <= 0)) || (((((0 <= 97 + a0 && 2 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-06 23:34:34,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9a688ec-f10a-4016-a0f6-c5be7c20d522/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE