./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/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 e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:09:34,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:09:34,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:09:34,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:09:34,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:09:34,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:09:34,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:09:34,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:09:34,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:09:34,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:09:34,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:09:34,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:09:34,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:09:34,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:09:34,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:09:34,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:09:34,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:09:34,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:09:34,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:09:34,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:09:34,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:09:34,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:09:34,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:09:34,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:09:34,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:09:34,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:09:34,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:09:34,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:09:34,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:09:34,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:09:34,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:09:34,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:09:34,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:09:34,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:09:34,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:09:34,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:09:34,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:09:34,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:09:34,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:09:34,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:09:34,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:09:34,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:09:34,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:09:34,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:09:34,159 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:09:34,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:09:34,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:09:34,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:09:34,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:09:34,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:09:34,160 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:09:34,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:09:34,160 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:09:34,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:09:34,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:09:34,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:09:34,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:09:34,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:09:34,163 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:09:34,163 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:09:34,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:09:34,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:09:34,163 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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d [2021-12-06 22:09:34,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:09:34,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:09:34,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:09:34,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:09:34,357 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:09:34,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-06 22:09:34,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/data/73f93d1af/7c9153e291c84233816ace81974b40df/FLAG71d4de882 [2021-12-06 22:09:34,842 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:09:34,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-12-06 22:09:34,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/data/73f93d1af/7c9153e291c84233816ace81974b40df/FLAG71d4de882 [2021-12-06 22:09:34,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/data/73f93d1af/7c9153e291c84233816ace81974b40df [2021-12-06 22:09:34,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:09:34,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:09:34,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:09:34,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:09:34,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:09:34,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:09:34" (1/1) ... [2021-12-06 22:09:34,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d4e8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:34, skipping insertion in model container [2021-12-06 22:09:34,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:09:34" (1/1) ... [2021-12-06 22:09:34,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:09:34,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:09:35,102 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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-12-06 22:09:35,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:09:35,244 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:09:35,265 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_1dfe9a73-cdfe-4c93-8e43-560a6635f064/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-12-06 22:09:35,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:09:35,351 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:09:35,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35 WrapperNode [2021-12-06 22:09:35,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:09:35,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:09:35,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:09:35,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:09:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,468 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-06 22:09:35,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:09:35,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:09:35,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:09:35,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:09:35,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:09:35,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:09:35,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:09:35,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:09:35,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (1/1) ... [2021-12-06 22:09:35,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:09:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:35,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:35,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:09:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:09:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:09:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:09:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:09:35,649 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:09:35,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:09:36,698 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:09:36,709 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:09:36,709 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:09:36,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:09:36 BoogieIcfgContainer [2021-12-06 22:09:36,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:09:36,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:09:36,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:09:36,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:09:36,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:09:34" (1/3) ... [2021-12-06 22:09:36,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea1d371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:09:36, skipping insertion in model container [2021-12-06 22:09:36,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:09:35" (2/3) ... [2021-12-06 22:09:36,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea1d371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:09:36, skipping insertion in model container [2021-12-06 22:09:36,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:09:36" (3/3) ... [2021-12-06 22:09:36,719 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2021-12-06 22:09:36,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:09:36,724 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:09:36,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:09:36,781 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 22:09:36,782 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:09:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 22:09:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 22:09:36,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:36,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:36,814 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:36,820 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-12-06 22:09:36,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:36,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907582270] [2021-12-06 22:09:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:36,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:37,063 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 22:09:37,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:37,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907582270] [2021-12-06 22:09:37,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907582270] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:37,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:37,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:09:37,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836377463] [2021-12-06 22:09:37,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:37,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:37,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:37,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:37,095 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:09:37,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:37,856 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-06 22:09:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:37,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-12-06 22:09:37,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:37,873 INFO L225 Difference]: With dead ends: 761 [2021-12-06 22:09:37,874 INFO L226 Difference]: Without dead ends: 413 [2021-12-06 22:09:37,878 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 22:09:37,882 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 165 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:37,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 22:09:37,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-06 22:09:37,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-06 22:09:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 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 22:09:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-06 22:09:37,934 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 63 [2021-12-06 22:09:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:37,934 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-06 22:09:37,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 22:09:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-06 22:09:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-06 22:09:37,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:37,939 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, 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 22:09:37,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:09:37,939 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:37,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:37,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1774038808, now seen corresponding path program 1 times [2021-12-06 22:09:37,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:37,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664836501] [2021-12-06 22:09:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:37,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:38,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:38,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664836501] [2021-12-06 22:09:38,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664836501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:38,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:38,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:09:38,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36504053] [2021-12-06 22:09:38,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:38,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:38,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:38,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:38,029 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 22:09:38,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:38,608 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-06 22:09:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:38,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-12-06 22:09:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:38,613 INFO L225 Difference]: With dead ends: 1211 [2021-12-06 22:09:38,613 INFO L226 Difference]: Without dead ends: 800 [2021-12-06 22:09:38,614 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 22:09:38,615 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:38,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:09:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-06 22:09:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-06 22:09:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 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 22:09:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-06 22:09:38,640 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 131 [2021-12-06 22:09:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:38,641 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-06 22:09:38,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 22:09:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-06 22:09:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-06 22:09:38,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:38,644 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, 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] [2021-12-06 22:09:38,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:09:38,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:38,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash -977289123, now seen corresponding path program 1 times [2021-12-06 22:09:38,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:38,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017501432] [2021-12-06 22:09:38,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:38,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:38,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:38,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017501432] [2021-12-06 22:09:38,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017501432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:38,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:38,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:09:38,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815079378] [2021-12-06 22:09:38,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:38,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:38,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:38,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:38,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:38,738 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 22:09:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:39,246 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-06 22:09:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-12-06 22:09:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:39,252 INFO L225 Difference]: With dead ends: 1945 [2021-12-06 22:09:39,252 INFO L226 Difference]: Without dead ends: 1158 [2021-12-06 22:09:39,253 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 22:09:39,255 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:39,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:39,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-06 22:09:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-06 22:09:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 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 22:09:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-06 22:09:39,278 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 133 [2021-12-06 22:09:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:39,279 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-06 22:09:39,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 22:09:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-06 22:09:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-06 22:09:39,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:39,283 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, 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] [2021-12-06 22:09:39,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:09:39,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:39,284 INFO L85 PathProgramCache]: Analyzing trace with hash -873825219, now seen corresponding path program 1 times [2021-12-06 22:09:39,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:39,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016489355] [2021-12-06 22:09:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:39,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:39,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:39,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016489355] [2021-12-06 22:09:39,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016489355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:39,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:39,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:39,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925071289] [2021-12-06 22:09:39,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:39,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:39,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:39,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:39,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:39,437 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 22:09:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:40,000 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-12-06 22:09:40,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:40,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2021-12-06 22:09:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:40,008 INFO L225 Difference]: With dead ends: 2519 [2021-12-06 22:09:40,008 INFO L226 Difference]: Without dead ends: 1548 [2021-12-06 22:09:40,009 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 22:09:40,010 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:40,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:40,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-12-06 22:09:40,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-12-06 22:09:40,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 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 22:09:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-12-06 22:09:40,037 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 190 [2021-12-06 22:09:40,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:40,038 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-12-06 22:09:40,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 22:09:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-12-06 22:09:40,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-06 22:09:40,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:40,041 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, 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] [2021-12-06 22:09:40,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:09:40,042 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:40,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2127494464, now seen corresponding path program 1 times [2021-12-06 22:09:40,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:40,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172510407] [2021-12-06 22:09:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:40,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 22:09:40,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:40,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172510407] [2021-12-06 22:09:40,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172510407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:40,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:40,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:40,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813884947] [2021-12-06 22:09:40,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:40,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:40,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:40,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:40,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:40,170 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 22:09:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:40,770 INFO L93 Difference]: Finished difference Result 3657 states and 4894 transitions. [2021-12-06 22:09:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:40,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 245 [2021-12-06 22:09:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:40,779 INFO L225 Difference]: With dead ends: 3657 [2021-12-06 22:09:40,780 INFO L226 Difference]: Without dead ends: 2298 [2021-12-06 22:09:40,781 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 22:09:40,782 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 180 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:40,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 157 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:09:40,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-12-06 22:09:40,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2112. [2021-12-06 22:09:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.2832780672666984) internal successors, (2709), 2111 states have internal predecessors, (2709), 0 states have call successors, (0), 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 22:09:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2709 transitions. [2021-12-06 22:09:40,818 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2709 transitions. Word has length 245 [2021-12-06 22:09:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:40,819 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2709 transitions. [2021-12-06 22:09:40,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 22:09:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2709 transitions. [2021-12-06 22:09:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-06 22:09:40,823 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:40,823 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:40,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:09:40,823 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:40,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:40,824 INFO L85 PathProgramCache]: Analyzing trace with hash -468248497, now seen corresponding path program 1 times [2021-12-06 22:09:40,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:40,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083307158] [2021-12-06 22:09:40,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:40,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 22:09:40,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:40,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083307158] [2021-12-06 22:09:40,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083307158] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:40,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386049427] [2021-12-06 22:09:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:40,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:40,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:40,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:09:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:41,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:41,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 22:09:41,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:41,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386049427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:41,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:41,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:09:41,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325531898] [2021-12-06 22:09:41,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:41,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:41,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:41,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:41,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:09:41,358 INFO L87 Difference]: Start difference. First operand 2112 states and 2709 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 22:09:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:41,922 INFO L93 Difference]: Finished difference Result 4969 states and 6492 transitions. [2021-12-06 22:09:41,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:41,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 251 [2021-12-06 22:09:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:41,934 INFO L225 Difference]: With dead ends: 4969 [2021-12-06 22:09:41,934 INFO L226 Difference]: Without dead ends: 3043 [2021-12-06 22:09:41,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 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 22:09:41,936 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 133 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:41,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 390 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:41,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2021-12-06 22:09:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3032. [2021-12-06 22:09:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 3031 states have (on average 1.2464533157373805) internal successors, (3778), 3031 states have internal predecessors, (3778), 0 states have call successors, (0), 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 22:09:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3778 transitions. [2021-12-06 22:09:41,980 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3778 transitions. Word has length 251 [2021-12-06 22:09:41,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:41,981 INFO L470 AbstractCegarLoop]: Abstraction has 3032 states and 3778 transitions. [2021-12-06 22:09:41,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 22:09:41,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3778 transitions. [2021-12-06 22:09:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-06 22:09:41,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:41,985 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, 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] [2021-12-06 22:09:42,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:42,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:42,187 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:42,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:42,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1730347281, now seen corresponding path program 1 times [2021-12-06 22:09:42,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:42,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659140239] [2021-12-06 22:09:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:42,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 121 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:42,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:42,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659140239] [2021-12-06 22:09:42,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659140239] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:42,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756325144] [2021-12-06 22:09:42,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:42,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:42,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:42,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:09:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:42,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:42,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:42,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:42,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756325144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:42,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:42,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:09:42,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035860672] [2021-12-06 22:09:42,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:42,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:42,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:09:42,665 INFO L87 Difference]: Start difference. First operand 3032 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 22:09:43,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:43,172 INFO L93 Difference]: Finished difference Result 7004 states and 8858 transitions. [2021-12-06 22:09:43,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:43,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-12-06 22:09:43,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:43,187 INFO L225 Difference]: With dead ends: 7004 [2021-12-06 22:09:43,188 INFO L226 Difference]: Without dead ends: 4158 [2021-12-06 22:09:43,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:09:43,191 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:43,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 304 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:43,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2021-12-06 22:09:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 3953. [2021-12-06 22:09:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 3952 states have (on average 1.249746963562753) internal successors, (4939), 3952 states have internal predecessors, (4939), 0 states have call successors, (0), 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 22:09:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 4939 transitions. [2021-12-06 22:09:43,252 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 4939 transitions. Word has length 276 [2021-12-06 22:09:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:43,252 INFO L470 AbstractCegarLoop]: Abstraction has 3953 states and 4939 transitions. [2021-12-06 22:09:43,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 22:09:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 4939 transitions. [2021-12-06 22:09:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-12-06 22:09:43,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:43,258 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, 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, 1, 1, 1, 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 22:09:43,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:09:43,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:43,460 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:43,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:43,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1197677939, now seen corresponding path program 1 times [2021-12-06 22:09:43,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:43,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526976298] [2021-12-06 22:09:43,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:43,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:43,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:43,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526976298] [2021-12-06 22:09:43,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526976298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:43,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:43,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:43,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851313647] [2021-12-06 22:09:43,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:43,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:09:43,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:43,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:09:43,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:09:43,613 INFO L87 Difference]: Start difference. First operand 3953 states and 4939 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 22:09:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:44,529 INFO L93 Difference]: Finished difference Result 11809 states and 15047 transitions. [2021-12-06 22:09:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:09:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2021-12-06 22:09:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:44,558 INFO L225 Difference]: With dead ends: 11809 [2021-12-06 22:09:44,558 INFO L226 Difference]: Without dead ends: 8042 [2021-12-06 22:09:44,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:09:44,562 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 256 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:44,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 98 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 22:09:44,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8042 states. [2021-12-06 22:09:44,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8042 to 8038. [2021-12-06 22:09:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8038 states, 8037 states have (on average 1.253203931815354) internal successors, (10072), 8037 states have internal predecessors, (10072), 0 states have call successors, (0), 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 22:09:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 10072 transitions. [2021-12-06 22:09:44,662 INFO L78 Accepts]: Start accepts. Automaton has 8038 states and 10072 transitions. Word has length 300 [2021-12-06 22:09:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:44,662 INFO L470 AbstractCegarLoop]: Abstraction has 8038 states and 10072 transitions. [2021-12-06 22:09:44,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 22:09:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 8038 states and 10072 transitions. [2021-12-06 22:09:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-06 22:09:44,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:44,669 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, 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, 2, 2, 2, 2, 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] [2021-12-06 22:09:44,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:09:44,670 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:44,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:44,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1365874858, now seen corresponding path program 1 times [2021-12-06 22:09:44,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:44,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110256816] [2021-12-06 22:09:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:44,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-06 22:09:44,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:44,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110256816] [2021-12-06 22:09:44,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110256816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:44,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:44,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:44,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088215456] [2021-12-06 22:09:44,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:44,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:44,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:44,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:44,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:44,764 INFO L87 Difference]: Start difference. First operand 8038 states and 10072 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 22:09:45,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:45,281 INFO L93 Difference]: Finished difference Result 15912 states and 20000 transitions. [2021-12-06 22:09:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:45,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 341 [2021-12-06 22:09:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:45,320 INFO L225 Difference]: With dead ends: 15912 [2021-12-06 22:09:45,320 INFO L226 Difference]: Without dead ends: 8244 [2021-12-06 22:09:45,327 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 22:09:45,328 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 135 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:45,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 347 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2021-12-06 22:09:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 8222. [2021-12-06 22:09:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8222 states, 8221 states have (on average 1.229290840530349) internal successors, (10106), 8221 states have internal predecessors, (10106), 0 states have call successors, (0), 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 22:09:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8222 states to 8222 states and 10106 transitions. [2021-12-06 22:09:45,442 INFO L78 Accepts]: Start accepts. Automaton has 8222 states and 10106 transitions. Word has length 341 [2021-12-06 22:09:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:45,442 INFO L470 AbstractCegarLoop]: Abstraction has 8222 states and 10106 transitions. [2021-12-06 22:09:45,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 22:09:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 8222 states and 10106 transitions. [2021-12-06 22:09:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-12-06 22:09:45,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:45,449 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 22:09:45,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:09:45,450 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:45,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1487776732, now seen corresponding path program 1 times [2021-12-06 22:09:45,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:45,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166473754] [2021-12-06 22:09:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:45,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:45,537 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-06 22:09:45,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:45,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166473754] [2021-12-06 22:09:45,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166473754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:45,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:45,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:45,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118963001] [2021-12-06 22:09:45,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:45,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:45,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:45,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:45,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:45,539 INFO L87 Difference]: Start difference. First operand 8222 states and 10106 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 22:09:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:46,041 INFO L93 Difference]: Finished difference Result 15663 states and 19310 transitions. [2021-12-06 22:09:46,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:46,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 342 [2021-12-06 22:09:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:46,052 INFO L225 Difference]: With dead ends: 15663 [2021-12-06 22:09:46,052 INFO L226 Difference]: Without dead ends: 7811 [2021-12-06 22:09:46,058 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 22:09:46,059 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 144 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:46,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 150 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:46,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7811 states. [2021-12-06 22:09:46,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7811 to 6703. [2021-12-06 22:09:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 6702 states have (on average 1.1720381975529692) internal successors, (7855), 6702 states have internal predecessors, (7855), 0 states have call successors, (0), 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 22:09:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 7855 transitions. [2021-12-06 22:09:46,136 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 7855 transitions. Word has length 342 [2021-12-06 22:09:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:46,136 INFO L470 AbstractCegarLoop]: Abstraction has 6703 states and 7855 transitions. [2021-12-06 22:09:46,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 22:09:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 7855 transitions. [2021-12-06 22:09:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-06 22:09:46,142 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:46,143 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:46,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:09:46,143 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:46,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1557749846, now seen corresponding path program 1 times [2021-12-06 22:09:46,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:46,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583851096] [2021-12-06 22:09:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:46,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-06 22:09:46,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:46,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583851096] [2021-12-06 22:09:46,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583851096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:46,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:46,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:46,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512335200] [2021-12-06 22:09:46,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:46,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:46,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:46,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:46,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:46,257 INFO L87 Difference]: Start difference. First operand 6703 states and 7855 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 22:09:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:46,824 INFO L93 Difference]: Finished difference Result 13961 states and 16490 transitions. [2021-12-06 22:09:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:46,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 374 [2021-12-06 22:09:46,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:46,835 INFO L225 Difference]: With dead ends: 13961 [2021-12-06 22:09:46,835 INFO L226 Difference]: Without dead ends: 8368 [2021-12-06 22:09:46,840 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 22:09:46,840 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 118 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:46,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 362 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:46,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8368 states. [2021-12-06 22:09:46,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8368 to 8180. [2021-12-06 22:09:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8180 states, 8179 states have (on average 1.160166279496271) internal successors, (9489), 8179 states have internal predecessors, (9489), 0 states have call successors, (0), 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 22:09:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8180 states to 8180 states and 9489 transitions. [2021-12-06 22:09:46,943 INFO L78 Accepts]: Start accepts. Automaton has 8180 states and 9489 transitions. Word has length 374 [2021-12-06 22:09:46,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:46,943 INFO L470 AbstractCegarLoop]: Abstraction has 8180 states and 9489 transitions. [2021-12-06 22:09:46,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 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 22:09:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 8180 states and 9489 transitions. [2021-12-06 22:09:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-06 22:09:46,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:46,950 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, 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, 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 22:09:46,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:09:46,950 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:46,950 INFO L85 PathProgramCache]: Analyzing trace with hash -547751050, now seen corresponding path program 1 times [2021-12-06 22:09:46,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:46,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605940594] [2021-12-06 22:09:46,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:47,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:47,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605940594] [2021-12-06 22:09:47,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605940594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:47,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:47,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:09:47,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204782705] [2021-12-06 22:09:47,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:47,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:09:47,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:47,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:09:47,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:09:47,062 INFO L87 Difference]: Start difference. First operand 8180 states and 9489 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 22:09:47,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:48,000 INFO L93 Difference]: Finished difference Result 22472 states and 26356 transitions. [2021-12-06 22:09:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:09:48,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 388 [2021-12-06 22:09:48,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:48,016 INFO L225 Difference]: With dead ends: 22472 [2021-12-06 22:09:48,016 INFO L226 Difference]: Without dead ends: 14662 [2021-12-06 22:09:48,023 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 22:09:48,023 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 209 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:48,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 190 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 22:09:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14662 states. [2021-12-06 22:09:48,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14662 to 13180. [2021-12-06 22:09:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 13179 states have (on average 1.1493284771226953) internal successors, (15147), 13179 states have internal predecessors, (15147), 0 states have call successors, (0), 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 22:09:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 15147 transitions. [2021-12-06 22:09:48,158 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 15147 transitions. Word has length 388 [2021-12-06 22:09:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:48,159 INFO L470 AbstractCegarLoop]: Abstraction has 13180 states and 15147 transitions. [2021-12-06 22:09:48,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 22:09:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 15147 transitions. [2021-12-06 22:09:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-12-06 22:09:48,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:48,168 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:48,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:09:48,168 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:48,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:48,169 INFO L85 PathProgramCache]: Analyzing trace with hash 677648061, now seen corresponding path program 1 times [2021-12-06 22:09:48,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:48,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216915060] [2021-12-06 22:09:48,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:48,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 182 proven. 171 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-06 22:09:48,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:48,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216915060] [2021-12-06 22:09:48,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216915060] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:48,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529569315] [2021-12-06 22:09:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:48,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:48,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:48,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:48,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:09:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:48,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 22:09:48,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-06 22:09:48,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:48,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529569315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:48,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:48,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:09:48,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428132435] [2021-12-06 22:09:48,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:48,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:09:48,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:48,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:09:48,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:09:48,812 INFO L87 Difference]: Start difference. First operand 13180 states and 15147 transitions. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 22:09:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:49,858 INFO L93 Difference]: Finished difference Result 33181 states and 38451 transitions. [2021-12-06 22:09:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:09:49,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 398 [2021-12-06 22:09:49,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:49,877 INFO L225 Difference]: With dead ends: 33181 [2021-12-06 22:09:49,877 INFO L226 Difference]: Without dead ends: 20371 [2021-12-06 22:09:49,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:09:49,888 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 204 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:49,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 115 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 22:09:49,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20371 states. [2021-12-06 22:09:50,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20371 to 20177. [2021-12-06 22:09:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20177 states, 20176 states have (on average 1.1451724821570182) internal successors, (23105), 20176 states have internal predecessors, (23105), 0 states have call successors, (0), 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 22:09:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20177 states to 20177 states and 23105 transitions. [2021-12-06 22:09:50,081 INFO L78 Accepts]: Start accepts. Automaton has 20177 states and 23105 transitions. Word has length 398 [2021-12-06 22:09:50,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:50,082 INFO L470 AbstractCegarLoop]: Abstraction has 20177 states and 23105 transitions. [2021-12-06 22:09:50,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 22:09:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 20177 states and 23105 transitions. [2021-12-06 22:09:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 22:09:50,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:50,093 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, 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, 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] [2021-12-06 22:09:50,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:09:50,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:50,294 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:50,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash -467739689, now seen corresponding path program 1 times [2021-12-06 22:09:50,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:50,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505084773] [2021-12-06 22:09:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:50,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 22:09:50,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:50,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505084773] [2021-12-06 22:09:50,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505084773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:50,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:50,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:09:50,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560278503] [2021-12-06 22:09:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:50,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:50,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:50,427 INFO L87 Difference]: Start difference. First operand 20177 states and 23105 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 22:09:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:50,790 INFO L93 Difference]: Finished difference Result 37572 states and 43047 transitions. [2021-12-06 22:09:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:50,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 403 [2021-12-06 22:09:50,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:50,808 INFO L225 Difference]: With dead ends: 37572 [2021-12-06 22:09:50,808 INFO L226 Difference]: Without dead ends: 19057 [2021-12-06 22:09:50,818 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 22:09:50,819 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:50,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 22:09:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2021-12-06 22:09:51,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 19051. [2021-12-06 22:09:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19051 states, 19050 states have (on average 1.1410498687664041) internal successors, (21737), 19050 states have internal predecessors, (21737), 0 states have call successors, (0), 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 22:09:51,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19051 states to 19051 states and 21737 transitions. [2021-12-06 22:09:51,088 INFO L78 Accepts]: Start accepts. Automaton has 19051 states and 21737 transitions. Word has length 403 [2021-12-06 22:09:51,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:51,088 INFO L470 AbstractCegarLoop]: Abstraction has 19051 states and 21737 transitions. [2021-12-06 22:09:51,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 22:09:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 19051 states and 21737 transitions. [2021-12-06 22:09:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 22:09:51,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:51,102 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, 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, 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] [2021-12-06 22:09:51,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:09:51,103 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:51,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:51,103 INFO L85 PathProgramCache]: Analyzing trace with hash -522132587, now seen corresponding path program 1 times [2021-12-06 22:09:51,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:51,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896732608] [2021-12-06 22:09:51,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:51,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-06 22:09:51,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:51,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896732608] [2021-12-06 22:09:51,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896732608] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:51,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:51,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:51,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73514107] [2021-12-06 22:09:51,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:51,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:51,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:51,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:51,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:51,213 INFO L87 Difference]: Start difference. First operand 19051 states and 21737 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:09:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:51,939 INFO L93 Difference]: Finished difference Result 41048 states and 46908 transitions. [2021-12-06 22:09:51,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:51,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 403 [2021-12-06 22:09:51,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:51,957 INFO L225 Difference]: With dead ends: 41048 [2021-12-06 22:09:51,957 INFO L226 Difference]: Without dead ends: 22367 [2021-12-06 22:09:51,966 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 22:09:51,966 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 131 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:51,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 74 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:09:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22367 states. [2021-12-06 22:09:52,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22367 to 22363. [2021-12-06 22:09:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22363 states, 22362 states have (on average 1.136257937572668) internal successors, (25409), 22362 states have internal predecessors, (25409), 0 states have call successors, (0), 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 22:09:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22363 states to 22363 states and 25409 transitions. [2021-12-06 22:09:52,161 INFO L78 Accepts]: Start accepts. Automaton has 22363 states and 25409 transitions. Word has length 403 [2021-12-06 22:09:52,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:52,161 INFO L470 AbstractCegarLoop]: Abstraction has 22363 states and 25409 transitions. [2021-12-06 22:09:52,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 22:09:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 22363 states and 25409 transitions. [2021-12-06 22:09:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-12-06 22:09:52,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:52,178 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:52,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 22:09:52,178 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash 392214559, now seen corresponding path program 1 times [2021-12-06 22:09:52,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:52,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476750141] [2021-12-06 22:09:52,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:52,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-12-06 22:09:52,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:52,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476750141] [2021-12-06 22:09:52,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476750141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:52,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:52,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:52,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631474870] [2021-12-06 22:09:52,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:52,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:52,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:52,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:52,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:52,286 INFO L87 Difference]: Start difference. First operand 22363 states and 25409 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 22:09:52,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:52,939 INFO L93 Difference]: Finished difference Result 44719 states and 50876 transitions. [2021-12-06 22:09:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:52,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 486 [2021-12-06 22:09:52,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:52,959 INFO L225 Difference]: With dead ends: 44719 [2021-12-06 22:09:52,959 INFO L226 Difference]: Without dead ends: 22728 [2021-12-06 22:09:52,970 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 22:09:52,971 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 194 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:52,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 354 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:52,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22728 states. [2021-12-06 22:09:53,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22728 to 21985. [2021-12-06 22:09:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21985 states, 21984 states have (on average 1.115311135371179) internal successors, (24519), 21984 states have internal predecessors, (24519), 0 states have call successors, (0), 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 22:09:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21985 states to 21985 states and 24519 transitions. [2021-12-06 22:09:53,227 INFO L78 Accepts]: Start accepts. Automaton has 21985 states and 24519 transitions. Word has length 486 [2021-12-06 22:09:53,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:53,227 INFO L470 AbstractCegarLoop]: Abstraction has 21985 states and 24519 transitions. [2021-12-06 22:09:53,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 22:09:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21985 states and 24519 transitions. [2021-12-06 22:09:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-06 22:09:53,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:53,241 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:53,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:09:53,241 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:53,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:53,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1205511744, now seen corresponding path program 1 times [2021-12-06 22:09:53,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:53,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342704145] [2021-12-06 22:09:53,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:53,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 455 proven. 85 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 22:09:53,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:53,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342704145] [2021-12-06 22:09:53,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342704145] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:53,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172460795] [2021-12-06 22:09:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:53,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:53,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:53,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:53,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:09:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:53,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 22:09:53,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 22:09:54,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:54,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172460795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:54,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:54,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:09:54,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542024576] [2021-12-06 22:09:54,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:54,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:54,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:54,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:54,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:09:54,050 INFO L87 Difference]: Start difference. First operand 21985 states and 24519 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 22:09:54,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:54,561 INFO L93 Difference]: Finished difference Result 43050 states and 48046 transitions. [2021-12-06 22:09:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:54,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 509 [2021-12-06 22:09:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:54,582 INFO L225 Difference]: With dead ends: 43050 [2021-12-06 22:09:54,582 INFO L226 Difference]: Without dead ends: 22911 [2021-12-06 22:09:54,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 508 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 22:09:54,594 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 83 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:54,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 158 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:09:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22911 states. [2021-12-06 22:09:54,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22911 to 22537. [2021-12-06 22:09:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22537 states, 22536 states have (on average 1.1107561235356762) internal successors, (25032), 22536 states have internal predecessors, (25032), 0 states have call successors, (0), 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 22:09:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22537 states to 22537 states and 25032 transitions. [2021-12-06 22:09:54,805 INFO L78 Accepts]: Start accepts. Automaton has 22537 states and 25032 transitions. Word has length 509 [2021-12-06 22:09:54,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:54,806 INFO L470 AbstractCegarLoop]: Abstraction has 22537 states and 25032 transitions. [2021-12-06 22:09:54,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 22:09:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22537 states and 25032 transitions. [2021-12-06 22:09:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-06 22:09:54,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:54,819 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:54,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 22:09:55,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 22:09:55,020 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:55,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1083496193, now seen corresponding path program 1 times [2021-12-06 22:09:55,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:55,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155386650] [2021-12-06 22:09:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:55,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 516 proven. 24 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 22:09:55,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:55,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155386650] [2021-12-06 22:09:55,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155386650] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:55,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883433070] [2021-12-06 22:09:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:55,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:55,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:55,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:09:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:55,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 22:09:55,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 22:09:55,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:55,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883433070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:55,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:55,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-12-06 22:09:55,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924628384] [2021-12-06 22:09:55,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:55,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:09:55,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:09:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:09:55,943 INFO L87 Difference]: Start difference. First operand 22537 states and 25032 transitions. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 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 22:09:56,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:56,678 INFO L93 Difference]: Finished difference Result 47278 states and 52386 transitions. [2021-12-06 22:09:56,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:09:56,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 510 [2021-12-06 22:09:56,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:56,701 INFO L225 Difference]: With dead ends: 47278 [2021-12-06 22:09:56,701 INFO L226 Difference]: Without dead ends: 25111 [2021-12-06 22:09:56,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:09:56,711 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 278 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:56,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 156 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:09:56,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25111 states. [2021-12-06 22:09:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25111 to 21975. [2021-12-06 22:09:56,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21975 states, 21974 states have (on average 1.1055338126877219) internal successors, (24293), 21974 states have internal predecessors, (24293), 0 states have call successors, (0), 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 22:09:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 24293 transitions. [2021-12-06 22:09:56,942 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 24293 transitions. Word has length 510 [2021-12-06 22:09:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:56,943 INFO L470 AbstractCegarLoop]: Abstraction has 21975 states and 24293 transitions. [2021-12-06 22:09:56,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 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 22:09:56,943 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 24293 transitions. [2021-12-06 22:09:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-12-06 22:09:56,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:56,957 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, 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, 3, 3, 3, 3, 3, 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] [2021-12-06 22:09:56,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:09:57,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 22:09:57,159 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:57,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash 742788827, now seen corresponding path program 1 times [2021-12-06 22:09:57,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:57,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927919001] [2021-12-06 22:09:57,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:57,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2021-12-06 22:09:57,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:57,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927919001] [2021-12-06 22:09:57,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927919001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:57,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:09:57,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:09:57,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609902922] [2021-12-06 22:09:57,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:57,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:57,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:57,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:57,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:09:57,306 INFO L87 Difference]: Start difference. First operand 21975 states and 24293 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 22:09:57,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:57,859 INFO L93 Difference]: Finished difference Result 46152 states and 51077 transitions. [2021-12-06 22:09:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:57,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 537 [2021-12-06 22:09:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:57,880 INFO L225 Difference]: With dead ends: 46152 [2021-12-06 22:09:57,880 INFO L226 Difference]: Without dead ends: 24547 [2021-12-06 22:09:57,890 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 22:09:57,891 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 145 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:57,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 305 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:09:57,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24547 states. [2021-12-06 22:09:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24547 to 16633. [2021-12-06 22:09:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16633 states, 16632 states have (on average 1.0967412217412218) internal successors, (18241), 16632 states have internal predecessors, (18241), 0 states have call successors, (0), 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 22:09:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16633 states to 16633 states and 18241 transitions. [2021-12-06 22:09:58,112 INFO L78 Accepts]: Start accepts. Automaton has 16633 states and 18241 transitions. Word has length 537 [2021-12-06 22:09:58,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:58,112 INFO L470 AbstractCegarLoop]: Abstraction has 16633 states and 18241 transitions. [2021-12-06 22:09:58,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 22:09:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 16633 states and 18241 transitions. [2021-12-06 22:09:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-12-06 22:09:58,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:58,127 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, 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, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 22:09:58,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:09:58,128 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:58,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:58,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1763189104, now seen corresponding path program 1 times [2021-12-06 22:09:58,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:58,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362464270] [2021-12-06 22:09:58,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:58,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:58,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 1225 proven. 61 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-12-06 22:09:58,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:58,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362464270] [2021-12-06 22:09:58,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362464270] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:58,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003577137] [2021-12-06 22:09:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:58,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:58,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:58,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:58,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 22:09:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:58,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:58,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 1286 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-12-06 22:09:58,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:09:58,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003577137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:09:58,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:09:58,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 22:09:58,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803901092] [2021-12-06 22:09:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:09:58,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:09:58,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:09:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:09:58,931 INFO L87 Difference]: Start difference. First operand 16633 states and 18241 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 22:09:59,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:59,405 INFO L93 Difference]: Finished difference Result 34934 states and 38319 transitions. [2021-12-06 22:09:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:09:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 731 [2021-12-06 22:09:59,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:09:59,421 INFO L225 Difference]: With dead ends: 34934 [2021-12-06 22:09:59,421 INFO L226 Difference]: Without dead ends: 18671 [2021-12-06 22:09:59,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 734 GetRequests, 730 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 22:09:59,429 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 122 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:09:59,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 75 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:09:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18671 states. [2021-12-06 22:09:59,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18671 to 16265. [2021-12-06 22:09:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16265 states, 16264 states have (on average 1.095241023118544) internal successors, (17813), 16264 states have internal predecessors, (17813), 0 states have call successors, (0), 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 22:09:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16265 states to 16265 states and 17813 transitions. [2021-12-06 22:09:59,609 INFO L78 Accepts]: Start accepts. Automaton has 16265 states and 17813 transitions. Word has length 731 [2021-12-06 22:09:59,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:09:59,610 INFO L470 AbstractCegarLoop]: Abstraction has 16265 states and 17813 transitions. [2021-12-06 22:09:59,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 22:09:59,610 INFO L276 IsEmpty]: Start isEmpty. Operand 16265 states and 17813 transitions. [2021-12-06 22:09:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-12-06 22:09:59,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:09:59,623 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, 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, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2021-12-06 22:09:59,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:59,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-12-06 22:09:59,825 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:09:59,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:59,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2044993265, now seen corresponding path program 1 times [2021-12-06 22:09:59,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:59,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817874139] [2021-12-06 22:09:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:59,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:10:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-12-06 22:10:00,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:10:00,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817874139] [2021-12-06 22:10:00,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817874139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:10:00,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:10:00,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:10:00,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749869558] [2021-12-06 22:10:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:10:00,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:10:00,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:10:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:10:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:10:00,031 INFO L87 Difference]: Start difference. First operand 16265 states and 17813 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 22:10:00,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:10:00,510 INFO L93 Difference]: Finished difference Result 30863 states and 33699 transitions. [2021-12-06 22:10:00,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:10:00,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 732 [2021-12-06 22:10:00,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:10:00,512 INFO L225 Difference]: With dead ends: 30863 [2021-12-06 22:10:00,512 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:10:00,520 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 22:10:00,521 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 44 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:10:00,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 326 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:10:00,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:10:00,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:10:00,522 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 22:10:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:10:00,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2021-12-06 22:10:00,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:10:00,522 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:10:00,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 22:10:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:10:00,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:10:00,524 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:10:00,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 22:10:00,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-06 22:10:03,987 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,988 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse10 (<= ~a23~0 138)) (.cse11 (<= 13 ~a25~0)) (.cse13 (<= (+ 28470 ~a29~0) 0)) (.cse8 (<= 10 ~a25~0)) (.cse12 (<= ~a29~0 140)) (.cse5 (= ~a25~0 12)) (.cse0 (<= 261 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse14 (= ~a25~0 11)) (.cse4 (<= ~a23~0 312)) (.cse2 (<= ~a25~0 10)) (.cse3 (<= ~a8~0 15)) (.cse6 (= ~a4~0 1)) (.cse7 (<= 130 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7) (and .cse8 .cse2 .cse3 .cse6) (and .cse3 (<= ~a29~0 220) .cse6 (<= 312 ~a23~0) .cse7) (and .cse3 .cse6 (<= 246 ~a29~0)) (and .cse3 (<= 0 (+ 41 ~a23~0)) .cse6 .cse4) (and .cse1 .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse1 .cse9 .cse3 .cse10) (and .cse3 .cse6 .cse11) (and .cse5 .cse1 .cse3 .cse7) (and .cse1 .cse2 .cse3 .cse13 .cse4) (and .cse5 .cse3 .cse13 .cse6) (and .cse12 .cse1 .cse14 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse4) (and .cse5 .cse1 .cse3 .cse4) (and .cse2 .cse3 .cse6 .cse4) (and .cse8 .cse12 .cse1 .cse2 .cse3) (and .cse5 .cse1 .cse3 (<= (+ ~a29~0 554036) 0)) (and .cse0 .cse1 .cse14 .cse3 .cse4) (and .cse2 .cse3 .cse6 .cse7))) [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-06 22:10:03,989 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,990 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,991 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse10 (<= ~a23~0 138)) (.cse11 (<= 13 ~a25~0)) (.cse13 (<= (+ 28470 ~a29~0) 0)) (.cse8 (<= 10 ~a25~0)) (.cse12 (<= ~a29~0 140)) (.cse5 (= ~a25~0 12)) (.cse0 (<= 261 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse14 (= ~a25~0 11)) (.cse4 (<= ~a23~0 312)) (.cse2 (<= ~a25~0 10)) (.cse3 (<= ~a8~0 15)) (.cse6 (= ~a4~0 1)) (.cse7 (<= 130 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse7) (and .cse8 .cse2 .cse3 .cse6) (and .cse3 (<= ~a29~0 220) .cse6 (<= 312 ~a23~0) .cse7) (and .cse3 .cse6 (<= 246 ~a29~0)) (and .cse3 (<= 0 (+ 41 ~a23~0)) .cse6 .cse4) (and .cse1 .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse1 .cse9 .cse3 .cse10) (and .cse3 .cse6 .cse11) (and .cse5 .cse1 .cse3 .cse7) (and .cse1 .cse2 .cse3 .cse13 .cse4) (and .cse5 .cse3 .cse13 .cse6) (and .cse12 .cse1 .cse14 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse4) (and .cse5 .cse1 .cse3 .cse4) (and .cse2 .cse3 .cse6 .cse4) (and .cse8 .cse12 .cse1 .cse2 .cse3) (and .cse5 .cse1 .cse3 (<= (+ ~a29~0 554036) 0)) (and .cse0 .cse1 .cse14 .cse3 .cse4) (and .cse2 .cse3 .cse6 .cse7))) [2021-12-06 22:10:03,991 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,992 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,993 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,994 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-06 22:10:03,995 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,996 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,997 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,998 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-06 22:10:03,999 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,000 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-06 22:10:04,001 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-06 22:10:04,002 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-06 22:10:04,003 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-06 22:10:04,005 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:10:04,006 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:10:04,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:10:04 BoogieIcfgContainer [2021-12-06 22:10:04,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:10:04,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:10:04,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:10:04,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:10:04,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:09:36" (3/4) ... [2021-12-06 22:10:04,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:10:04,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:10:04,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:10:04,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:10:04,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:10:04,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:10:04,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:10:04,127 INFO L158 Benchmark]: Toolchain (without parser) took 29260.92ms. Allocated memory was 113.2MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 73.0MB in the beginning and 735.8MB in the end (delta: -662.8MB). Peak memory consumption was 841.8MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,127 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:10:04,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.23ms. Allocated memory is still 113.2MB. Free memory was 72.8MB in the beginning and 55.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.44ms. Allocated memory is still 113.2MB. Free memory was 55.9MB in the beginning and 76.0MB in the end (delta: -20.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,127 INFO L158 Benchmark]: Boogie Preprocessor took 76.12ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 66.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,128 INFO L158 Benchmark]: RCFGBuilder took 1166.03ms. Allocated memory was 113.2MB in the beginning and 165.7MB in the end (delta: 52.4MB). Free memory was 66.9MB in the beginning and 107.0MB in the end (delta: -40.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,128 INFO L158 Benchmark]: TraceAbstraction took 27308.21ms. Allocated memory was 165.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 105.9MB in the beginning and 762.0MB in the end (delta: -656.1MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-06 22:10:04,128 INFO L158 Benchmark]: Witness Printer took 104.54ms. Allocated memory is still 1.6GB. Free memory was 760.9MB in the beginning and 735.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-06 22:10:04,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.23ms. Allocated memory is still 113.2MB. Free memory was 72.8MB in the beginning and 55.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.44ms. Allocated memory is still 113.2MB. Free memory was 55.9MB in the beginning and 76.0MB in the end (delta: -20.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.12ms. Allocated memory is still 113.2MB. Free memory was 76.0MB in the beginning and 66.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1166.03ms. Allocated memory was 113.2MB in the beginning and 165.7MB in the end (delta: 52.4MB). Free memory was 66.9MB in the beginning and 107.0MB in the end (delta: -40.0MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * TraceAbstraction took 27308.21ms. Allocated memory was 165.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 105.9MB in the beginning and 762.0MB in the end (delta: -656.1MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 104.54ms. Allocated memory is still 1.6GB. Free memory was 760.9MB in the beginning and 735.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * 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: 205]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.2s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3314 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3314 mSDsluCounter, 4454 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 506 mSDsCounter, 2265 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13234 IncrementalHoareTripleChecker+Invalid, 15499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2265 mSolverCounterUnsat, 3948 mSDtfsCounter, 13234 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2736 GetRequests, 2692 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22537occurred in iteration=17, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 21 MinimizatonAttempts, 17998 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 583 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3584 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 11126 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 10418 NumberOfCodeBlocks, 10418 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 10391 ConstructedInterpolants, 0 QuantifiedInterpolants, 32822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3647 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 14855/15377 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((261 <= a29 && a4 == 0) && a25 <= 10) && a8 <= 15) && a23 <= 312) || (((a25 == 12 && a8 <= 15) && a4 == 1) && 130 <= a29)) || (((10 <= a25 && a25 <= 10) && a8 <= 15) && a4 == 1)) || ((((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23) && 130 <= a29)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || (((a8 <= 15 && 0 <= 41 + a23) && a4 == 1) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a8 <= 15) && a23 <= 138) && 13 <= a25)) || ((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 138)) || ((a8 <= 15 && a4 == 1) && 13 <= a25)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && 130 <= a29)) || ((((a4 == 0 && a25 <= 10) && a8 <= 15) && 28470 + a29 <= 0) && a23 <= 312)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a23 <= 312)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a8 <= 15)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 + 554036 <= 0)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && 130 <= a29) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((261 <= a29 && a4 == 0) && a25 <= 10) && a8 <= 15) && a23 <= 312) || (((a25 == 12 && a8 <= 15) && a4 == 1) && 130 <= a29)) || (((10 <= a25 && a25 <= 10) && a8 <= 15) && a4 == 1)) || ((((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23) && 130 <= a29)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || (((a8 <= 15 && 0 <= 41 + a23) && a4 == 1) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a8 <= 15) && a23 <= 138) && 13 <= a25)) || ((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 138)) || ((a8 <= 15 && a4 == 1) && 13 <= a25)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && 130 <= a29)) || ((((a4 == 0 && a25 <= 10) && a8 <= 15) && 28470 + a29 <= 0) && a23 <= 312)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a23 <= 312)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((10 <= a25 && a29 <= 140) && a4 == 0) && a25 <= 10) && a8 <= 15)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 + 554036 <= 0)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && 130 <= a29) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:10:04,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dfe9a73-cdfe-4c93-8e43-560a6635f064/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