./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:06:20,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:06:20,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:06:20,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:06:20,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:06:20,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:06:20,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:06:20,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:06:20,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:06:20,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:06:20,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:06:20,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:06:20,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:06:20,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:06:20,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:06:20,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:06:20,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:06:20,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:06:20,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:06:20,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:06:20,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:06:20,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:06:20,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:06:20,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:06:20,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:06:20,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:06:20,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:06:20,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:06:20,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:06:20,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:06:20,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:06:20,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:06:20,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:06:20,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:06:20,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:06:20,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:06:20,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:06:20,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:06:20,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:06:20,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:06:20,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:06:20,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:06:20,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:06:20,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:06:20,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:06:20,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:06:20,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:06:20,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:06:20,204 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:06:20,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:06:20,205 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:06:20,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:06:20,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:06:20,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:06:20,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:06:20,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:06:20,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:06:20,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:06:20,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:06:20,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:06:20,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:06:20,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:06:20,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:06:20,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:06:20,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:06:20,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:06:20,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:06:20,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:06:20,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:06:20,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:06:20,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:06:20,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:06:20,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:06:20,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:06:20,217 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748 [2021-10-21 20:06:20,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:06:20,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:06:20,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:06:20,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:06:20,658 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:06:20,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2021-10-21 20:06:20,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/data/80e735255/d16919b464c540d7b497e8234ef14993/FLAGfc2fd61f2 [2021-10-21 20:06:21,661 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:06:21,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/sv-benchmarks/c/eca-rers2012/Problem16_label32.c [2021-10-21 20:06:21,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/data/80e735255/d16919b464c540d7b497e8234ef14993/FLAGfc2fd61f2 [2021-10-21 20:06:21,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/data/80e735255/d16919b464c540d7b497e8234ef14993 [2021-10-21 20:06:21,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:06:21,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:06:21,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:21,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:06:21,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:06:21,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:21" (1/1) ... [2021-10-21 20:06:21,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583347fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:21, skipping insertion in model container [2021-10-21 20:06:21,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:21" (1/1) ... [2021-10-21 20:06:21,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:06:21,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:06:22,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134] [2021-10-21 20:06:22,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:22,928 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:06:22,978 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134] [2021-10-21 20:06:23,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:23,382 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:06:23,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23 WrapperNode [2021-10-21 20:06:23,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:23,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:23,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:06:23,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:06:23,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:23,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:06:23,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:06:23,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:06:23,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:06:23,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:06:23,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:06:23,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:06:23,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (1/1) ... [2021-10-21 20:06:23,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:06:23,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:23,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:23,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:06:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:06:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:06:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:06:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:06:27,125 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:06:27,126 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 20:06:27,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:27 BoogieIcfgContainer [2021-10-21 20:06:27,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:06:27,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:06:27,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:06:27,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:06:27,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:06:21" (1/3) ... [2021-10-21 20:06:27,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415402cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:06:27, skipping insertion in model container [2021-10-21 20:06:27,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:23" (2/3) ... [2021-10-21 20:06:27,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415402cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:06:27, skipping insertion in model container [2021-10-21 20:06:27,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:27" (3/3) ... [2021-10-21 20:06:27,144 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c [2021-10-21 20:06:27,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:06:27,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:06:27,282 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:06:27,293 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:06:27,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:06:27,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-21 20:06:27,356 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:27,357 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:27,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:27,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:27,365 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2021-10-21 20:06:27,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:27,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310526976] [2021-10-21 20:06:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:27,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:27,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:27,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310526976] [2021-10-21 20:06:27,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310526976] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:27,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:27,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:27,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269583686] [2021-10-21 20:06:27,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:27,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:27,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:27,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:27,830 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:30,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:30,379 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-10-21 20:06:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:30,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-10-21 20:06:30,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:30,403 INFO L225 Difference]: With dead ends: 1122 [2021-10-21 20:06:30,403 INFO L226 Difference]: Without dead ends: 662 [2021-10-21 20:06:30,409 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-10-21 20:06:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-10-21 20:06:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-10-21 20:06:30,505 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 48 [2021-10-21 20:06:30,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:30,506 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-10-21 20:06:30,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-10-21 20:06:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-21 20:06:30,512 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:30,513 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:30,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:06:30,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:30,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:30,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1804624620, now seen corresponding path program 1 times [2021-10-21 20:06:30,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:30,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383078767] [2021-10-21 20:06:30,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:30,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:30,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:30,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383078767] [2021-10-21 20:06:30,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383078767] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:30,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:30,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:30,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912577284] [2021-10-21 20:06:30,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:30,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:30,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:30,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:30,698 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:32,615 INFO L93 Difference]: Finished difference Result 1982 states and 3008 transitions. [2021-10-21 20:06:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:32,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2021-10-21 20:06:32,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:32,628 INFO L225 Difference]: With dead ends: 1982 [2021-10-21 20:06:32,629 INFO L226 Difference]: Without dead ends: 1322 [2021-10-21 20:06:32,632 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2021-10-21 20:06:32,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1320. [2021-10-21 20:06:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4564063684609552) internal successors, (1921), 1319 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1921 transitions. [2021-10-21 20:06:32,690 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1921 transitions. Word has length 116 [2021-10-21 20:06:32,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:32,691 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1921 transitions. [2021-10-21 20:06:32,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1921 transitions. [2021-10-21 20:06:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-21 20:06:32,697 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:32,698 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:32,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:06:32,698 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:32,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:32,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1474248235, now seen corresponding path program 1 times [2021-10-21 20:06:32,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:32,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674563066] [2021-10-21 20:06:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:32,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:32,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:32,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674563066] [2021-10-21 20:06:32,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674563066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:32,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:32,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:32,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222854027] [2021-10-21 20:06:32,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:32,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:32,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:32,899 INFO L87 Difference]: Start difference. First operand 1320 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:35,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:35,052 INFO L93 Difference]: Finished difference Result 3954 states and 5758 transitions. [2021-10-21 20:06:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:35,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2021-10-21 20:06:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:35,076 INFO L225 Difference]: With dead ends: 3954 [2021-10-21 20:06:35,077 INFO L226 Difference]: Without dead ends: 2636 [2021-10-21 20:06:35,079 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:35,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-10-21 20:06:35,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-10-21 20:06:35,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3248576850094878) internal successors, (3491), 2635 states have internal predecessors, (3491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3491 transitions. [2021-10-21 20:06:35,186 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3491 transitions. Word has length 127 [2021-10-21 20:06:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:35,189 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3491 transitions. [2021-10-21 20:06:35,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3491 transitions. [2021-10-21 20:06:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-21 20:06:35,203 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:35,204 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:35,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:06:35,205 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:35,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:35,206 INFO L82 PathProgramCache]: Analyzing trace with hash 524059219, now seen corresponding path program 1 times [2021-10-21 20:06:35,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:35,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749237494] [2021-10-21 20:06:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:35,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:35,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:35,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749237494] [2021-10-21 20:06:35,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749237494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:35,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:35,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:35,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578584109] [2021-10-21 20:06:35,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:35,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:35,469 INFO L87 Difference]: Start difference. First operand 2636 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:37,244 INFO L93 Difference]: Finished difference Result 6586 states and 8550 transitions. [2021-10-21 20:06:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2021-10-21 20:06:37,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:37,274 INFO L225 Difference]: With dead ends: 6586 [2021-10-21 20:06:37,274 INFO L226 Difference]: Without dead ends: 3952 [2021-10-21 20:06:37,281 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:37,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-10-21 20:06:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-10-21 20:06:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions. [2021-10-21 20:06:37,410 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 179 [2021-10-21 20:06:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:37,413 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions. [2021-10-21 20:06:37,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions. [2021-10-21 20:06:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-21 20:06:37,422 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:37,422 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:37,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:06:37,423 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:37,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:37,425 INFO L82 PathProgramCache]: Analyzing trace with hash 172831567, now seen corresponding path program 1 times [2021-10-21 20:06:37,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:37,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690649042] [2021-10-21 20:06:37,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:37,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:37,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:37,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690649042] [2021-10-21 20:06:37,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690649042] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:37,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:37,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:37,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498205865] [2021-10-21 20:06:37,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:37,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:37,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:37,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:37,770 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:39,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:39,818 INFO L93 Difference]: Finished difference Result 9547 states and 11836 transitions. [2021-10-21 20:06:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:39,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 283 [2021-10-21 20:06:39,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:39,861 INFO L225 Difference]: With dead ends: 9547 [2021-10-21 20:06:39,861 INFO L226 Difference]: Without dead ends: 5597 [2021-10-21 20:06:39,868 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:39,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-10-21 20:06:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-10-21 20:06:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.2101501072194425) internal successors, (6772), 5596 states have internal predecessors, (6772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6772 transitions. [2021-10-21 20:06:40,032 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6772 transitions. Word has length 283 [2021-10-21 20:06:40,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:40,033 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6772 transitions. [2021-10-21 20:06:40,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6772 transitions. [2021-10-21 20:06:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-10-21 20:06:40,040 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:40,041 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:40,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:06:40,042 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:40,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:40,043 INFO L82 PathProgramCache]: Analyzing trace with hash -558533194, now seen corresponding path program 1 times [2021-10-21 20:06:40,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:40,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581256417] [2021-10-21 20:06:40,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:40,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:40,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:40,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581256417] [2021-10-21 20:06:40,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581256417] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:40,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:40,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:40,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005041069] [2021-10-21 20:06:40,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:06:40,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:40,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:06:40,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:06:40,403 INFO L87 Difference]: Start difference. First operand 5597 states and 6772 transitions. Second operand has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:42,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:42,455 INFO L93 Difference]: Finished difference Result 11574 states and 13936 transitions. [2021-10-21 20:06:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:06:42,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 293 [2021-10-21 20:06:42,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:42,503 INFO L225 Difference]: With dead ends: 11574 [2021-10-21 20:06:42,504 INFO L226 Difference]: Without dead ends: 5979 [2021-10-21 20:06:42,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:06:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5979 states. [2021-10-21 20:06:42,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5979 to 5926. [2021-10-21 20:06:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.199493670886076) internal successors, (7107), 5925 states have internal predecessors, (7107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 7107 transitions. [2021-10-21 20:06:42,802 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 7107 transitions. Word has length 293 [2021-10-21 20:06:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:42,803 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 7107 transitions. [2021-10-21 20:06:42,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 7107 transitions. [2021-10-21 20:06:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-10-21 20:06:42,813 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:42,813 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:42,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:06:42,814 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:42,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:42,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1448798937, now seen corresponding path program 1 times [2021-10-21 20:06:42,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:42,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108039771] [2021-10-21 20:06:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:42,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:43,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:43,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108039771] [2021-10-21 20:06:43,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108039771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:43,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:43,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:06:43,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011746901] [2021-10-21 20:06:43,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:06:43,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:43,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:06:43,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:06:43,143 INFO L87 Difference]: Start difference. First operand 5926 states and 7107 transitions. Second operand has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:45,852 INFO L93 Difference]: Finished difference Result 11380 states and 13724 transitions. [2021-10-21 20:06:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:06:45,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 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 380 [2021-10-21 20:06:45,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:45,893 INFO L225 Difference]: With dead ends: 11380 [2021-10-21 20:06:45,893 INFO L226 Difference]: Without dead ends: 5597 [2021-10-21 20:06:45,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 57.3ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:06:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-10-21 20:06:46,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-10-21 20:06:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0816654753395283) internal successors, (6053), 5596 states have internal predecessors, (6053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6053 transitions. [2021-10-21 20:06:46,047 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6053 transitions. Word has length 380 [2021-10-21 20:06:46,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:46,048 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6053 transitions. [2021-10-21 20:06:46,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6053 transitions. [2021-10-21 20:06:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-10-21 20:06:46,057 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:46,058 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:46,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:06:46,058 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:46,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:46,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1598800591, now seen corresponding path program 1 times [2021-10-21 20:06:46,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:46,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486774959] [2021-10-21 20:06:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:46,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-10-21 20:06:46,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:46,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486774959] [2021-10-21 20:06:46,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486774959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:46,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:46,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:46,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470235406] [2021-10-21 20:06:46,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:46,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:46,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:46,260 INFO L87 Difference]: Start difference. First operand 5597 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:47,349 INFO L93 Difference]: Finished difference Result 12837 states and 13987 transitions. [2021-10-21 20:06:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:47,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 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 387 [2021-10-21 20:06:47,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:47,387 INFO L225 Difference]: With dead ends: 12837 [2021-10-21 20:06:47,394 INFO L226 Difference]: Without dead ends: 7571 [2021-10-21 20:06:47,401 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:47,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-10-21 20:06:47,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7242. [2021-10-21 20:06:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0860378400773374) internal successors, (7864), 7241 states have internal predecessors, (7864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7864 transitions. [2021-10-21 20:06:47,539 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7864 transitions. Word has length 387 [2021-10-21 20:06:47,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:47,540 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 7864 transitions. [2021-10-21 20:06:47,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7864 transitions. [2021-10-21 20:06:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2021-10-21 20:06:47,551 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:47,551 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:47,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:06:47,552 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:47,553 INFO L82 PathProgramCache]: Analyzing trace with hash -357336600, now seen corresponding path program 1 times [2021-10-21 20:06:47,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:47,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739662450] [2021-10-21 20:06:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:47,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:47,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:47,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739662450] [2021-10-21 20:06:47,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739662450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:47,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:47,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:47,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921269945] [2021-10-21 20:06:47,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:06:47,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:06:47,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:06:47,827 INFO L87 Difference]: Start difference. First operand 7242 states and 7864 transitions. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:48,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:48,903 INFO L93 Difference]: Finished difference Result 14482 states and 15732 transitions. [2021-10-21 20:06:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 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 441 [2021-10-21 20:06:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:48,918 INFO L225 Difference]: With dead ends: 14482 [2021-10-21 20:06:48,919 INFO L226 Difference]: Without dead ends: 7571 [2021-10-21 20:06:48,926 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:06:48,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-10-21 20:06:49,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2021-10-21 20:06:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0828269484808455) internal successors, (8197), 7570 states have internal predecessors, (8197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 8197 transitions. [2021-10-21 20:06:49,057 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 8197 transitions. Word has length 441 [2021-10-21 20:06:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:49,058 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 8197 transitions. [2021-10-21 20:06:49,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 3 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 8197 transitions. [2021-10-21 20:06:49,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-10-21 20:06:49,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:49,070 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:49,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:06:49,071 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:49,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:49,071 INFO L82 PathProgramCache]: Analyzing trace with hash 913996250, now seen corresponding path program 1 times [2021-10-21 20:06:49,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:49,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410636545] [2021-10-21 20:06:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:49,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:49,366 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-10-21 20:06:49,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:49,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410636545] [2021-10-21 20:06:49,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410636545] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:06:49,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838432924] [2021-10-21 20:06:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:49,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:06:49,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:49,372 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:06:49,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:06:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:49,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:06:49,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:06:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2021-10-21 20:06:51,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838432924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:51,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:06:51,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-21 20:06:51,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327969620] [2021-10-21 20:06:51,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:51,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:51,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:51,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:06:51,379 INFO L87 Difference]: Start difference. First operand 7571 states and 8197 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:52,258 INFO L93 Difference]: Finished difference Result 9547 states and 10233 transitions. [2021-10-21 20:06:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:52,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 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 502 [2021-10-21 20:06:52,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:52,280 INFO L225 Difference]: With dead ends: 9547 [2021-10-21 20:06:52,280 INFO L226 Difference]: Without dead ends: 9545 [2021-10-21 20:06:52,283 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:06:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-10-21 20:06:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 8229. [2021-10-21 20:06:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8229 states, 8228 states have (on average 1.0789985415653864) internal successors, (8878), 8228 states have internal predecessors, (8878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8229 states to 8229 states and 8878 transitions. [2021-10-21 20:06:52,444 INFO L78 Accepts]: Start accepts. Automaton has 8229 states and 8878 transitions. Word has length 502 [2021-10-21 20:06:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:52,445 INFO L470 AbstractCegarLoop]: Abstraction has 8229 states and 8878 transitions. [2021-10-21 20:06:52,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 8229 states and 8878 transitions. [2021-10-21 20:06:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2021-10-21 20:06:52,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:52,485 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:52,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:06:52,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 20:06:52,699 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:52,700 INFO L82 PathProgramCache]: Analyzing trace with hash 776607109, now seen corresponding path program 1 times [2021-10-21 20:06:52,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:52,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188817229] [2021-10-21 20:06:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:52,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 920 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2021-10-21 20:06:53,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:53,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188817229] [2021-10-21 20:06:53,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188817229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:53,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:53,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:53,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255978275] [2021-10-21 20:06:53,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:53,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:53,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:53,048 INFO L87 Difference]: Start difference. First operand 8229 states and 8878 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:53,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:53,988 INFO L93 Difference]: Finished difference Result 18430 states and 19985 transitions. [2021-10-21 20:06:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 850 [2021-10-21 20:06:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:54,019 INFO L225 Difference]: With dead ends: 18430 [2021-10-21 20:06:54,020 INFO L226 Difference]: Without dead ends: 10861 [2021-10-21 20:06:54,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2021-10-21 20:06:54,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10203. [2021-10-21 20:06:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10203 states, 10202 states have (on average 1.0685159772593609) internal successors, (10901), 10202 states have internal predecessors, (10901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10203 states to 10203 states and 10901 transitions. [2021-10-21 20:06:54,251 INFO L78 Accepts]: Start accepts. Automaton has 10203 states and 10901 transitions. Word has length 850 [2021-10-21 20:06:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:54,252 INFO L470 AbstractCegarLoop]: Abstraction has 10203 states and 10901 transitions. [2021-10-21 20:06:54,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 10203 states and 10901 transitions. [2021-10-21 20:06:54,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-10-21 20:06:54,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:54,271 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:54,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:06:54,272 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:54,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:54,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1522390154, now seen corresponding path program 1 times [2021-10-21 20:06:54,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:54,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666095858] [2021-10-21 20:06:54,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:54,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 681 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-10-21 20:06:54,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:54,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666095858] [2021-10-21 20:06:54,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666095858] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:54,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:54,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:54,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337197275] [2021-10-21 20:06:54,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:54,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:54,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:54,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:54,620 INFO L87 Difference]: Start difference. First operand 10203 states and 10901 transitions. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:55,536 INFO L93 Difference]: Finished difference Result 20075 states and 21473 transitions. [2021-10-21 20:06:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:55,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 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 851 [2021-10-21 20:06:55,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:55,554 INFO L225 Difference]: With dead ends: 20075 [2021-10-21 20:06:55,554 INFO L226 Difference]: Without dead ends: 10532 [2021-10-21 20:06:55,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-21 20:06:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-10-21 20:06:55,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0548855759187161) internal successors, (11109), 10531 states have internal predecessors, (11109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11109 transitions. [2021-10-21 20:06:55,724 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11109 transitions. Word has length 851 [2021-10-21 20:06:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:55,725 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11109 transitions. [2021-10-21 20:06:55,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11109 transitions. [2021-10-21 20:06:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2021-10-21 20:06:55,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:55,745 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:55,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:06:55,746 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:55,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:55,747 INFO L82 PathProgramCache]: Analyzing trace with hash -353730595, now seen corresponding path program 1 times [2021-10-21 20:06:55,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:55,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582151473] [2021-10-21 20:06:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:55,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 1007 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-10-21 20:06:56,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:56,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582151473] [2021-10-21 20:06:56,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582151473] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:56,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:56,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:56,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073839372] [2021-10-21 20:06:56,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:56,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:56,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:56,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:56,118 INFO L87 Difference]: Start difference. First operand 10532 states and 11109 transitions. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:57,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:57,242 INFO L93 Difference]: Finished difference Result 20404 states and 21552 transitions. [2021-10-21 20:06:57,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:57,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 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 880 [2021-10-21 20:06:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:57,253 INFO L225 Difference]: With dead ends: 20404 [2021-10-21 20:06:57,254 INFO L226 Difference]: Without dead ends: 10532 [2021-10-21 20:06:57,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-10-21 20:06:57,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 9545. [2021-10-21 20:06:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.038872590108969) internal successors, (9915), 9544 states have internal predecessors, (9915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 9915 transitions. [2021-10-21 20:06:57,380 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 9915 transitions. Word has length 880 [2021-10-21 20:06:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:57,381 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 9915 transitions. [2021-10-21 20:06:57,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 9915 transitions. [2021-10-21 20:06:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2021-10-21 20:06:57,399 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:57,400 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:57,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:06:57,401 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:57,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:57,401 INFO L82 PathProgramCache]: Analyzing trace with hash -381820691, now seen corresponding path program 1 times [2021-10-21 20:06:57,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:57,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211177978] [2021-10-21 20:06:57,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:57,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1526 backedges. 687 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2021-10-21 20:06:57,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:57,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211177978] [2021-10-21 20:06:57,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211177978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:57,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:57,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:57,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160295525] [2021-10-21 20:06:57,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:57,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:57,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:57,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:57,754 INFO L87 Difference]: Start difference. First operand 9545 states and 9915 transitions. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:58,751 INFO L93 Difference]: Finished difference Result 18430 states and 19164 transitions. [2021-10-21 20:06:58,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:58,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 905 [2021-10-21 20:06:58,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:58,762 INFO L225 Difference]: With dead ends: 18430 [2021-10-21 20:06:58,762 INFO L226 Difference]: Without dead ends: 9545 [2021-10-21 20:06:58,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:58,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9545 states. [2021-10-21 20:06:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9545 to 9545. [2021-10-21 20:06:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0341575859178542) internal successors, (9870), 9544 states have internal predecessors, (9870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 9870 transitions. [2021-10-21 20:06:58,870 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 9870 transitions. Word has length 905 [2021-10-21 20:06:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:58,871 INFO L470 AbstractCegarLoop]: Abstraction has 9545 states and 9870 transitions. [2021-10-21 20:06:58,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 9870 transitions. [2021-10-21 20:06:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 922 [2021-10-21 20:06:58,890 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:58,891 INFO L512 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 20:06:58,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 20:06:58,891 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:58,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:58,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1790159233, now seen corresponding path program 1 times [2021-10-21 20:06:58,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:58,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707618930] [2021-10-21 20:06:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:58,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 761 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-10-21 20:06:59,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:59,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707618930] [2021-10-21 20:06:59,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707618930] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:59,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:59,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:59,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920386509] [2021-10-21 20:06:59,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:59,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:59,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:59,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:59,244 INFO L87 Difference]: Start difference. First operand 9545 states and 9870 transitions. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:00,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:00,197 INFO L93 Difference]: Finished difference Result 23365 states and 24233 transitions. [2021-10-21 20:07:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:00,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 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 921 [2021-10-21 20:07:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:00,211 INFO L225 Difference]: With dead ends: 23365 [2021-10-21 20:07:00,211 INFO L226 Difference]: Without dead ends: 12835 [2021-10-21 20:07:00,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:00,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12835 states. [2021-10-21 20:07:00,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 12835. [2021-10-21 20:07:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0281284089138227) internal successors, (13195), 12834 states have internal predecessors, (13195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13195 transitions. [2021-10-21 20:07:00,356 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13195 transitions. Word has length 921 [2021-10-21 20:07:00,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:00,357 INFO L470 AbstractCegarLoop]: Abstraction has 12835 states and 13195 transitions. [2021-10-21 20:07:00,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13195 transitions. [2021-10-21 20:07:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2021-10-21 20:07:00,388 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:00,389 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:00,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:07:00,390 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:00,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:00,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1273889886, now seen corresponding path program 1 times [2021-10-21 20:07:00,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:00,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451132483] [2021-10-21 20:07:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:00,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2477 backedges. 1808 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2021-10-21 20:07:00,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:00,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451132483] [2021-10-21 20:07:00,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451132483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:00,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:00,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:00,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036537272] [2021-10-21 20:07:00,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:00,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:00,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:00,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:00,930 INFO L87 Difference]: Start difference. First operand 12835 states and 13195 transitions. Second operand has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:01,816 INFO L93 Difference]: Finished difference Result 25010 states and 25724 transitions. [2021-10-21 20:07:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:01,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 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 1283 [2021-10-21 20:07:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:01,831 INFO L225 Difference]: With dead ends: 25010 [2021-10-21 20:07:01,831 INFO L226 Difference]: Without dead ends: 12835 [2021-10-21 20:07:01,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12835 states. [2021-10-21 20:07:01,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12835 to 12506. [2021-10-21 20:07:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 12505 states have (on average 1.0281487405037986) internal successors, (12857), 12505 states have internal predecessors, (12857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 12857 transitions. [2021-10-21 20:07:01,992 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 12857 transitions. Word has length 1283 [2021-10-21 20:07:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:01,993 INFO L470 AbstractCegarLoop]: Abstraction has 12506 states and 12857 transitions. [2021-10-21 20:07:01,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 12857 transitions. [2021-10-21 20:07:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1299 [2021-10-21 20:07:02,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:02,038 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 20:07:02,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:07:02,039 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:02,040 INFO L82 PathProgramCache]: Analyzing trace with hash -327148764, now seen corresponding path program 1 times [2021-10-21 20:07:02,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:02,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349593832] [2021-10-21 20:07:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:02,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3094 backedges. 1751 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-10-21 20:07:02,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:02,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349593832] [2021-10-21 20:07:02,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349593832] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:02,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:02,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:02,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849109403] [2021-10-21 20:07:02,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:02,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:02,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:02,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:02,533 INFO L87 Difference]: Start difference. First operand 12506 states and 12857 transitions. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:03,382 INFO L93 Difference]: Finished difference Result 25339 states and 26050 transitions. [2021-10-21 20:07:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:03,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 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 1298 [2021-10-21 20:07:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:03,395 INFO L225 Difference]: With dead ends: 25339 [2021-10-21 20:07:03,396 INFO L226 Difference]: Without dead ends: 13493 [2021-10-21 20:07:03,403 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2021-10-21 20:07:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13164. [2021-10-21 20:07:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0271214768669756) internal successors, (13520), 13163 states have internal predecessors, (13520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13520 transitions. [2021-10-21 20:07:03,550 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13520 transitions. Word has length 1298 [2021-10-21 20:07:03,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:03,551 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13520 transitions. [2021-10-21 20:07:03,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13520 transitions. [2021-10-21 20:07:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2021-10-21 20:07:03,580 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:03,581 INFO L512 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:03,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:07:03,581 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:03,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1167826942, now seen corresponding path program 1 times [2021-10-21 20:07:03,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:03,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446384498] [2021-10-21 20:07:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:03,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:04,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2773 backedges. 1934 proven. 0 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2021-10-21 20:07:04,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:04,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446384498] [2021-10-21 20:07:04,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446384498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:04,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:04,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:07:04,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317259293] [2021-10-21 20:07:04,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:07:04,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:04,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:07:04,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:04,321 INFO L87 Difference]: Start difference. First operand 13164 states and 13520 transitions. Second operand has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:05,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:05,410 INFO L93 Difference]: Finished difference Result 25773 states and 26479 transitions. [2021-10-21 20:07:05,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:07:05,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 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 1323 [2021-10-21 20:07:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:05,424 INFO L225 Difference]: With dead ends: 25773 [2021-10-21 20:07:05,424 INFO L226 Difference]: Without dead ends: 13269 [2021-10-21 20:07:05,430 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13269 states. [2021-10-21 20:07:05,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13269 to 13164. [2021-10-21 20:07:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0263617716326066) internal successors, (13510), 13163 states have internal predecessors, (13510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13510 transitions. [2021-10-21 20:07:05,608 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13510 transitions. Word has length 1323 [2021-10-21 20:07:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:05,610 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13510 transitions. [2021-10-21 20:07:05,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.0) internal successors, (808), 4 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13510 transitions. [2021-10-21 20:07:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1353 [2021-10-21 20:07:05,643 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:05,643 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:05,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 20:07:05,644 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:05,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1767249463, now seen corresponding path program 1 times [2021-10-21 20:07:05,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:05,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017668642] [2021-10-21 20:07:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:05,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 2829 trivial. 0 not checked. [2021-10-21 20:07:06,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:06,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017668642] [2021-10-21 20:07:06,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017668642] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:06,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:06,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:07:06,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994627707] [2021-10-21 20:07:06,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:07:06,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:07:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:06,317 INFO L87 Difference]: Start difference. First operand 13164 states and 13510 transitions. Second operand has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:07,242 INFO L93 Difference]: Finished difference Result 25727 states and 26413 transitions. [2021-10-21 20:07:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 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 1352 [2021-10-21 20:07:07,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:07,253 INFO L225 Difference]: With dead ends: 25727 [2021-10-21 20:07:07,253 INFO L226 Difference]: Without dead ends: 13164 [2021-10-21 20:07:07,257 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-10-21 20:07:07,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-10-21 20:07:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0256020663982375) internal successors, (13500), 13163 states have internal predecessors, (13500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13500 transitions. [2021-10-21 20:07:07,401 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13500 transitions. Word has length 1352 [2021-10-21 20:07:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:07,403 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 13500 transitions. [2021-10-21 20:07:07,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:07,403 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13500 transitions. [2021-10-21 20:07:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1708 [2021-10-21 20:07:07,435 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:07,436 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 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] [2021-10-21 20:07:07,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 20:07:07,436 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:07,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1171392677, now seen corresponding path program 1 times [2021-10-21 20:07:07,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:07,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850551038] [2021-10-21 20:07:07,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:07,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5094 backedges. 3325 proven. 898 refuted. 0 times theorem prover too weak. 871 trivial. 0 not checked. [2021-10-21 20:07:08,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:08,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850551038] [2021-10-21 20:07:08,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850551038] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:08,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227205815] [2021-10-21 20:07:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:08,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:08,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:08,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:08,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:07:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:09,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:07:09,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5094 backedges. 3104 proven. 0 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked. [2021-10-21 20:07:12,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227205815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:12,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:07:12,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-10-21 20:07:12,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802277202] [2021-10-21 20:07:12,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:12,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:12,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:12,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:12,665 INFO L87 Difference]: Start difference. First operand 13164 states and 13500 transitions. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:13,485 INFO L93 Difference]: Finished difference Result 28300 states and 29092 transitions. [2021-10-21 20:07:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:13,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 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 1707 [2021-10-21 20:07:13,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:13,495 INFO L225 Difference]: With dead ends: 28300 [2021-10-21 20:07:13,496 INFO L226 Difference]: Without dead ends: 14151 [2021-10-21 20:07:13,500 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1715 GetRequests, 1709 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 36.8ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-10-21 20:07:13,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-10-21 20:07:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0254224725763414) internal successors, (13835), 13492 states have internal predecessors, (13835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13835 transitions. [2021-10-21 20:07:13,621 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13835 transitions. Word has length 1707 [2021-10-21 20:07:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:13,622 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 13835 transitions. [2021-10-21 20:07:13,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:13,622 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13835 transitions. [2021-10-21 20:07:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1777 [2021-10-21 20:07:13,654 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:13,655 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:13,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:13,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:13,860 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:13,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:13,860 INFO L82 PathProgramCache]: Analyzing trace with hash 778828643, now seen corresponding path program 1 times [2021-10-21 20:07:13,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:13,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471958196] [2021-10-21 20:07:13,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:13,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 3662 proven. 898 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2021-10-21 20:07:15,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:15,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471958196] [2021-10-21 20:07:15,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471958196] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:15,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403090918] [2021-10-21 20:07:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:15,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:15,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:15,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:15,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:07:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:16,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:07:16,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 2474 proven. 201 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2021-10-21 20:07:24,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403090918] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:24,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:24,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3] total 9 [2021-10-21 20:07:24,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687358461] [2021-10-21 20:07:24,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 20:07:24,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:24,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 20:07:24,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:07:24,146 INFO L87 Difference]: Start difference. First operand 13493 states and 13835 transitions. Second operand has 9 states, 9 states have (on average 174.11111111111111) internal successors, (1567), 9 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:27,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:27,656 INFO L93 Difference]: Finished difference Result 26655 states and 27338 transitions. [2021-10-21 20:07:27,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:07:27,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 174.11111111111111) internal successors, (1567), 9 states have internal predecessors, (1567), 0 states have call successors, (0), 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 1776 [2021-10-21 20:07:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:27,665 INFO L225 Difference]: With dead ends: 26655 [2021-10-21 20:07:27,665 INFO L226 Difference]: Without dead ends: 13822 [2021-10-21 20:07:27,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1790 GetRequests, 1780 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 78.9ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-10-21 20:07:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-10-21 20:07:27,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 13822. [2021-10-21 20:07:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0206931481079518) internal successors, (14107), 13821 states have internal predecessors, (14107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14107 transitions. [2021-10-21 20:07:27,778 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14107 transitions. Word has length 1776 [2021-10-21 20:07:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:27,779 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14107 transitions. [2021-10-21 20:07:27,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 174.11111111111111) internal successors, (1567), 9 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14107 transitions. [2021-10-21 20:07:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1948 [2021-10-21 20:07:27,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:27,815 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:27,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:28,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:28,016 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:28,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:28,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1896995376, now seen corresponding path program 1 times [2021-10-21 20:07:28,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:28,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273857859] [2021-10-21 20:07:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:28,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7906 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 7401 trivial. 0 not checked. [2021-10-21 20:07:29,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:29,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273857859] [2021-10-21 20:07:29,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273857859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:29,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:29,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:29,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140976875] [2021-10-21 20:07:29,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:29,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:29,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:29,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:29,181 INFO L87 Difference]: Start difference. First operand 13822 states and 14107 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:30,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:30,160 INFO L93 Difference]: Finished difference Result 32246 states and 32931 transitions. [2021-10-21 20:07:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:30,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 1947 [2021-10-21 20:07:30,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:30,162 INFO L225 Difference]: With dead ends: 32246 [2021-10-21 20:07:30,163 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:07:30,171 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:07:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:07:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:07:30,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1947 [2021-10-21 20:07:30,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:30,172 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:07:30,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:07:30,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:07:30,175 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:07:30,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 20:07:30,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:07:30,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:30,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:30,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:30,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,574 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,575 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,576 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,577 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,578 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,579 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,580 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,581 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,582 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,583 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,583 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 20:07:32,583 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,583 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 20:07:32,583 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse3 (<= (+ ~a18~0 156) 0)) (.cse10 (= ~a16~0 8)) (.cse0 (<= ~a16~0 9)) (.cse8 (<= ~a12~0 6)) (.cse11 (<= 4 ~a15~0)) (.cse6 (= ~a16~0 12)) (.cse5 (= ~a12~0 9)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a12~0 8)) (.cse4 (<= ~a16~0 11)) (.cse7 (= ~a15~0 3)) (.cse9 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (or (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse3 (< 134 ~a18~0)) .cse6 .cse7) (and .cse2 .cse6 .cse7) (and .cse6 .cse8 .cse7) (and .cse2 .cse4 .cse7 (<= 11 ~a16~0)) (and .cse5 .cse0) (and (not (= ~a16~0 9)) .cse8 .cse4 .cse7) (and .cse0 .cse9) (and .cse10 .cse1 .cse2 .cse4) (and .cse10 .cse8) (and .cse0 .cse2 .cse11) (and .cse8 .cse4 .cse11) (and (= 5 ~a12~0) .cse4 .cse7) (and .cse6 .cse7 .cse9) (and .cse5 .cse4 .cse7) (and .cse1 .cse2 (<= 27 ~a18~0) .cse4 .cse7) (and (= ~a16~0 10) .cse1 .cse2 .cse4 .cse7) (and .cse4 .cse7 .cse9))) [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,584 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,585 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,586 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,587 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 20:07:32,588 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,589 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 20:07:32,590 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,591 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse4 (<= (+ ~a18~0 156) 0)) (.cse3 (<= ~a16~0 9)) (.cse7 (<= ~a12~0 6)) (.cse10 (<= 4 ~a15~0)) (.cse9 (= ~a16~0 8)) (.cse0 (= ~a12~0 8)) (.cse6 (= ~a16~0 12)) (.cse5 (= ~a12~0 9)) (.cse1 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse8 (= 7 ~a12~0))) (or (and .cse0 (<= 27 ~a18~0) .cse1 .cse2) (and (= ~a16~0 10) .cse0 .cse2) (and .cse3 .cse0 .cse4) (and .cse5 (or (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse4 (< 134 ~a18~0)) .cse6 .cse2) (and .cse0 .cse6 .cse2) (and .cse6 .cse7 .cse2) (and .cse0 .cse1 .cse2 (<= 11 ~a16~0)) (and .cse5 .cse3) (and (not (= ~a16~0 9)) .cse7 .cse1 .cse2) (and .cse3 .cse8) (and .cse9 .cse7) (and .cse3 .cse0 .cse10) (and .cse7 .cse1 .cse10) (and .cse9 .cse0) (and (= 5 ~a12~0) .cse1 .cse2) (and .cse6 .cse2 .cse8) (and .cse5 .cse1 .cse2) (and .cse1 .cse2 .cse8))) [2021-10-21 20:07:32,591 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,591 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,591 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,591 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,591 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,592 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 20:07:32,593 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,594 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 20:07:32,595 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,596 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,597 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 20:07:32,598 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:07:32,599 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-21 20:07:32,599 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse3 (<= (+ ~a18~0 156) 0)) (.cse10 (= ~a16~0 8)) (.cse0 (<= ~a16~0 9)) (.cse8 (<= ~a12~0 6)) (.cse11 (<= 4 ~a15~0)) (.cse6 (= ~a16~0 12)) (.cse5 (= ~a12~0 9)) (.cse1 (<= ~a15~0 3)) (.cse2 (= ~a12~0 8)) (.cse4 (<= ~a16~0 11)) (.cse7 (= ~a15~0 3)) (.cse9 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (or (not (= 6 ULTIMATE.start_calculate_output_~input)) .cse3 (< 134 ~a18~0)) .cse6 .cse7) (and .cse2 .cse6 .cse7) (and .cse6 .cse8 .cse7) (and .cse2 .cse4 .cse7 (<= 11 ~a16~0)) (and .cse5 .cse0) (and (not (= ~a16~0 9)) .cse8 .cse4 .cse7) (and .cse0 .cse9) (and .cse10 .cse1 .cse2 .cse4) (and .cse10 .cse8) (and .cse0 .cse2 .cse11) (and .cse8 .cse4 .cse11) (and (= 5 ~a12~0) .cse4 .cse7) (and .cse6 .cse7 .cse9) (and .cse5 .cse4 .cse7) (and .cse1 .cse2 (<= 27 ~a18~0) .cse4 .cse7) (and (= ~a16~0 10) .cse1 .cse2 .cse4 .cse7) (and .cse4 .cse7 .cse9))) [2021-10-21 20:07:32,599 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,599 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,599 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,600 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 20:07:32,601 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,602 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,603 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,604 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,605 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 20:07:32,606 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,607 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,608 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,609 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,610 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,611 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,612 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 20:07:32,613 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,614 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:07:32,615 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,616 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,617 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,618 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,619 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,620 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,621 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,622 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,623 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,624 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,625 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 20:07:32,626 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 20:07:32,627 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 20:07:32,631 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:07:32,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:07:32 BoogieIcfgContainer [2021-10-21 20:07:32,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:07:32,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:07:32,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:07:32,658 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:07:32,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:27" (3/4) ... [2021-10-21 20:07:32,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:07:32,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 20:07:32,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:07:32,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:07:32,711 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:07:32,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:07:32,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:07:32,930 INFO L168 Benchmark]: Toolchain (without parser) took 71153.76 ms. Allocated memory was 86.0 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 62.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 715.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,930 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 66.3 MB in the beginning and 66.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:07:32,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1604.81 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 62.4 MB in the beginning and 90.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.49 ms. Allocated memory is still 125.8 MB. Free memory was 90.0 MB in the beginning and 66.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,932 INFO L168 Benchmark]: Boogie Preprocessor took 228.55 ms. Allocated memory is still 125.8 MB. Free memory was 66.3 MB in the beginning and 53.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,933 INFO L168 Benchmark]: RCFGBuilder took 3274.48 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 53.1 MB in the beginning and 101.8 MB in the end (delta: -48.6 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,933 INFO L168 Benchmark]: TraceAbstraction took 65524.08 ms. Allocated memory was 234.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 101.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 615.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,933 INFO L168 Benchmark]: Witness Printer took 270.55 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -241.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:07:32,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 66.3 MB in the beginning and 66.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1604.81 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 62.4 MB in the beginning and 90.3 MB in the end (delta: -27.9 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 240.49 ms. Allocated memory is still 125.8 MB. Free memory was 90.0 MB in the beginning and 66.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 228.55 ms. Allocated memory is still 125.8 MB. Free memory was 66.3 MB in the beginning and 53.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3274.48 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 53.1 MB in the beginning and 101.8 MB in the end (delta: -48.6 MB). Peak memory consumption was 64.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 65524.08 ms. Allocated memory was 234.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 101.8 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 615.2 MB. Max. memory is 16.1 GB. * Witness Printer took 270.55 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -241.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65350.8ms, OverallIterations: 22, TraceHistogramMax: 12, EmptinessCheckTime: 445.0ms, AutomataDifference: 32893.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2397.7ms, InitialAbstractionConstructionTime: 37.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6315 SDtfs, 5863 SDslu, 441 SDs, 0 SdLazy, 24802 SolverSat, 3000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24449.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4072 GetRequests, 4022 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 299.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=13822occurred in iteration=21, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2996.0ms AutomataMinimizationTime, 22 MinimizatonAttempts, 4766 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 228 NumberOfFragments, 625 HoareAnnotationTreeSize, 4 FomulaSimplifications, 13801 FormulaSimplificationTreeSizeReduction, 771.7ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 4936 FormulaSimplificationTreeSizeReductionInter, 1616.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 949.5ms SsaConstructionTime, 2599.7ms SatisfiabilityAnalysisTime, 20720.5ms InterpolantComputationTime, 21834 NumberOfCodeBlocks, 21834 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 21809 ConstructedInterpolants, 0 QuantifiedInterpolants, 60219 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4633 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 47373/49412 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((a12 == 8 && 27 <= a18) && a16 <= 11) && a15 == 3) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((a16 <= 9 && a12 == 8) && a18 + 156 <= 0)) || (((a12 == 9 && ((!(6 == input) || a18 + 156 <= 0) || 134 < a18)) && a16 == 12) && a15 == 3)) || ((a12 == 8 && a16 == 12) && a15 == 3)) || ((a16 == 12 && a12 <= 6) && a15 == 3)) || (((a12 == 8 && a16 <= 11) && a15 == 3) && 11 <= a16)) || (a12 == 9 && a16 <= 9)) || (((!(a16 == 9) && a12 <= 6) && a16 <= 11) && a15 == 3)) || (a16 <= 9 && 7 == a12)) || (a16 == 8 && a12 <= 6)) || ((a16 <= 9 && a12 == 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || (a16 == 8 && a12 == 8)) || ((5 == a12 && a16 <= 11) && a15 == 3)) || ((a16 == 12 && a15 == 3) && 7 == a12)) || ((a12 == 9 && a16 <= 11) && a15 == 3)) || ((a16 <= 11 && a15 == 3) && 7 == a12) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a16 <= 9 && a15 <= 3) && a12 == 8) && a18 + 156 <= 0) && a16 <= 11) || (((a12 == 9 && ((!(6 == input) || a18 + 156 <= 0) || 134 < a18)) && a16 == 12) && a15 == 3)) || ((a12 == 8 && a16 == 12) && a15 == 3)) || ((a16 == 12 && a12 <= 6) && a15 == 3)) || (((a12 == 8 && a16 <= 11) && a15 == 3) && 11 <= a16)) || (a12 == 9 && a16 <= 9)) || (((!(a16 == 9) && a12 <= 6) && a16 <= 11) && a15 == 3)) || (a16 <= 9 && 7 == a12)) || (((a16 == 8 && a15 <= 3) && a12 == 8) && a16 <= 11)) || (a16 == 8 && a12 <= 6)) || ((a16 <= 9 && a12 == 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || ((5 == a12 && a16 <= 11) && a15 == 3)) || ((a16 == 12 && a15 == 3) && 7 == a12)) || ((a12 == 9 && a16 <= 11) && a15 == 3)) || ((((a15 <= 3 && a12 == 8) && 27 <= a18) && a16 <= 11) && a15 == 3)) || ((((a16 == 10 && a15 <= 3) && a12 == 8) && a16 <= 11) && a15 == 3)) || ((a16 <= 11 && a15 == 3) && 7 == a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a16 <= 9 && a15 <= 3) && a12 == 8) && a18 + 156 <= 0) && a16 <= 11) || (((a12 == 9 && ((!(6 == input) || a18 + 156 <= 0) || 134 < a18)) && a16 == 12) && a15 == 3)) || ((a12 == 8 && a16 == 12) && a15 == 3)) || ((a16 == 12 && a12 <= 6) && a15 == 3)) || (((a12 == 8 && a16 <= 11) && a15 == 3) && 11 <= a16)) || (a12 == 9 && a16 <= 9)) || (((!(a16 == 9) && a12 <= 6) && a16 <= 11) && a15 == 3)) || (a16 <= 9 && 7 == a12)) || (((a16 == 8 && a15 <= 3) && a12 == 8) && a16 <= 11)) || (a16 == 8 && a12 <= 6)) || ((a16 <= 9 && a12 == 8) && 4 <= a15)) || ((a12 <= 6 && a16 <= 11) && 4 <= a15)) || ((5 == a12 && a16 <= 11) && a15 == 3)) || ((a16 == 12 && a15 == 3) && 7 == a12)) || ((a12 == 9 && a16 <= 11) && a15 == 3)) || ((((a15 <= 3 && a12 == 8) && 27 <= a18) && a16 <= 11) && a15 == 3)) || ((((a16 == 10 && a15 <= 3) && a12 == 8) && a16 <= 11) && a15 == 3)) || ((a16 <= 11 && a15 == 3) && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:07:32,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d554d557-522e-46a3-8a86-95c011623fa0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...