./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/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 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:39:55,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:39:55,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:39:56,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:39:56,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:39:56,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:39:56,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:39:56,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:39:56,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:39:56,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:39:56,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:39:56,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:39:56,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:39:56,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:39:56,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:39:56,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:39:56,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:39:56,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:39:56,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:39:56,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:39:56,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:39:56,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:39:56,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:39:56,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:39:56,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:39:56,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:39:56,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:39:56,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:39:56,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:39:56,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:39:56,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:39:56,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:39:56,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:39:56,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:39:56,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:39:56,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:39:56,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:39:56,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:39:56,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:39:56,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:39:56,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:39:56,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:39:56,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:39:56,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:39:56,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:39:56,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:39:56,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:39:56,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:39:56,138 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:39:56,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:39:56,138 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:39:56,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:39:56,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:39:56,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:39:56,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:39:56,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:39:56,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:39:56,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:39:56,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:39:56,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:39:56,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:39:56,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:39:56,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:39:56,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:39:56,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:39:56,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:39:56,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:39:56,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:39:56,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:39:56,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:39:56,142 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:39:56,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:39:56,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:39:56,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:39:56,143 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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 [2021-10-21 19:39:56,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:39:56,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:39:56,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:39:56,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:39:56,387 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:39:56,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2021-10-21 19:39:56,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/data/8da8ba9da/a4f28ae2489a45d3bfad6e3775d19d1c/FLAGf0ac0d06d [2021-10-21 19:39:56,958 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:39:56,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2021-10-21 19:39:56,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/data/8da8ba9da/a4f28ae2489a45d3bfad6e3775d19d1c/FLAGf0ac0d06d [2021-10-21 19:39:57,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/data/8da8ba9da/a4f28ae2489a45d3bfad6e3775d19d1c [2021-10-21 19:39:57,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:39:57,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:39:57,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:39:57,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:39:57,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:39:57,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:57,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1861e166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57, skipping insertion in model container [2021-10-21 19:39:57,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:57,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:39:57,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:39:57,573 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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2021-10-21 19:39:57,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:39:57,723 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:39:57,762 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_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2021-10-21 19:39:57,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:39:57,910 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:39:57,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57 WrapperNode [2021-10-21 19:39:57,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:39:57,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:39:57,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:39:57,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:39:57,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:57,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:39:58,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:39:58,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:39:58,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:39:58,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:39:58,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:39:58,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:39:58,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:39:58,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (1/1) ... [2021-10-21 19:39:58,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:39:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:39:58,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:39:58,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:39:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:39:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:39:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:39:58,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:39:59,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:39:59,349 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:39:59,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:59 BoogieIcfgContainer [2021-10-21 19:39:59,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:39:59,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:39:59,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:39:59,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:39:59,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:39:57" (1/3) ... [2021-10-21 19:39:59,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70929c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:39:59, skipping insertion in model container [2021-10-21 19:39:59,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:39:57" (2/3) ... [2021-10-21 19:39:59,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70929c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:39:59, skipping insertion in model container [2021-10-21 19:39:59,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:59" (3/3) ... [2021-10-21 19:39:59,363 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2021-10-21 19:39:59,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:39:59,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:39:59,431 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:39:59,436 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 19:39:59,436 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:39:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:39:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 19:39:59,463 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:39:59,464 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, 1, 1, 1, 1] [2021-10-21 19:39:59,464 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:39:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:39:59,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2021-10-21 19:39:59,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:39:59,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768245579] [2021-10-21 19:39:59,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:39:59,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:39:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:39:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:39:59,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:39:59,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768245579] [2021-10-21 19:39:59,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768245579] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:39:59,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:39:59,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:39:59,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636417881] [2021-10-21 19:39:59,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:39:59,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:39:59,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:39:59,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:39:59,805 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:00,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:00,641 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-10-21 19:40:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:00,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-21 19:40:00,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:00,656 INFO L225 Difference]: With dead ends: 552 [2021-10-21 19:40:00,656 INFO L226 Difference]: Without dead ends: 282 [2021-10-21 19:40:00,659 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-21 19:40:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-21 19:40:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:00,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2021-10-21 19:40:00,710 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 52 [2021-10-21 19:40:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:00,711 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2021-10-21 19:40:00,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2021-10-21 19:40:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-10-21 19:40:00,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:00,716 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, 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 19:40:00,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:40:00,717 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:00,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:00,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1275698798, now seen corresponding path program 1 times [2021-10-21 19:40:00,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:00,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287328427] [2021-10-21 19:40:00,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:00,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:00,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:00,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287328427] [2021-10-21 19:40:00,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287328427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:00,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:00,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:00,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544455034] [2021-10-21 19:40:00,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:00,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:00,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:00,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:00,845 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:01,398 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2021-10-21 19:40:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:01,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2021-10-21 19:40:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:01,405 INFO L225 Difference]: With dead ends: 701 [2021-10-21 19:40:01,405 INFO L226 Difference]: Without dead ends: 421 [2021-10-21 19:40:01,406 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 19:40:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-21 19:40:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-10-21 19:40:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.2523809523809524) internal successors, (526), 420 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2021-10-21 19:40:01,435 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 118 [2021-10-21 19:40:01,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:01,436 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2021-10-21 19:40:01,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:01,436 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2021-10-21 19:40:01,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-21 19:40:01,439 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:01,440 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:01,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:40:01,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:01,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1924622465, now seen corresponding path program 1 times [2021-10-21 19:40:01,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:01,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031075308] [2021-10-21 19:40:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:01,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:01,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:01,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031075308] [2021-10-21 19:40:01,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031075308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:01,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:01,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:40:01,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813545822] [2021-10-21 19:40:01,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:01,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:01,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:01,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:01,594 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:02,053 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2021-10-21 19:40:02,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:02,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-10-21 19:40:02,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:02,058 INFO L225 Difference]: With dead ends: 979 [2021-10-21 19:40:02,058 INFO L226 Difference]: Without dead ends: 560 [2021-10-21 19:40:02,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:02,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-21 19:40:02,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-10-21 19:40:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.2075134168157424) internal successors, (675), 559 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2021-10-21 19:40:02,086 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 125 [2021-10-21 19:40:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:02,087 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2021-10-21 19:40:02,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2021-10-21 19:40:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-21 19:40:02,090 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:02,091 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:02,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:40:02,091 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:02,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:02,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1091712892, now seen corresponding path program 1 times [2021-10-21 19:40:02,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:02,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220176164] [2021-10-21 19:40:02,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:02,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:02,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:02,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220176164] [2021-10-21 19:40:02,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220176164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:02,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:02,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:02,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190580907] [2021-10-21 19:40:02,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:02,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:02,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:02,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:02,218 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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 19:40:02,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:02,728 INFO L93 Difference]: Finished difference Result 979 states and 1199 transitions. [2021-10-21 19:40:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:02,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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 19:40:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:02,735 INFO L225 Difference]: With dead ends: 979 [2021-10-21 19:40:02,735 INFO L226 Difference]: Without dead ends: 977 [2021-10-21 19:40:02,739 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 19:40:02,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-21 19:40:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2021-10-21 19:40:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2736389684813754) internal successors, (889), 698 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2021-10-21 19:40:02,774 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 127 [2021-10-21 19:40:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:02,776 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2021-10-21 19:40:02,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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 19:40:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2021-10-21 19:40:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-21 19:40:02,791 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:02,792 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, 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] [2021-10-21 19:40:02,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:40:02,793 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:02,795 INFO L82 PathProgramCache]: Analyzing trace with hash -190546644, now seen corresponding path program 1 times [2021-10-21 19:40:02,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:02,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415534604] [2021-10-21 19:40:02,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:02,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:02,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:02,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415534604] [2021-10-21 19:40:02,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415534604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:02,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:02,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:02,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162735326] [2021-10-21 19:40:02,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:40:02,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:02,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:40:02,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:40:02,991 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:03,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:03,567 INFO L93 Difference]: Finished difference Result 1271 states and 1641 transitions. [2021-10-21 19:40:03,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:40:03,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 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 170 [2021-10-21 19:40:03,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:03,573 INFO L225 Difference]: With dead ends: 1271 [2021-10-21 19:40:03,573 INFO L226 Difference]: Without dead ends: 713 [2021-10-21 19:40:03,574 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:40:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2021-10-21 19:40:03,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 699. [2021-10-21 19:40:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2664756446991403) internal successors, (884), 698 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 884 transitions. [2021-10-21 19:40:03,593 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 884 transitions. Word has length 170 [2021-10-21 19:40:03,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:03,594 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 884 transitions. [2021-10-21 19:40:03,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 884 transitions. [2021-10-21 19:40:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-10-21 19:40:03,598 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:03,599 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:03,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:40:03,599 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:03,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:03,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1143734122, now seen corresponding path program 1 times [2021-10-21 19:40:03,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:03,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742488947] [2021-10-21 19:40:03,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:03,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:03,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:03,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742488947] [2021-10-21 19:40:03,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742488947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:03,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:03,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:40:03,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516682870] [2021-10-21 19:40:03,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:40:03,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:03,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:40:03,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:40:03,844 INFO L87 Difference]: Start difference. First operand 699 states and 884 transitions. Second operand has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:04,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:04,407 INFO L93 Difference]: Finished difference Result 1312 states and 1677 transitions. [2021-10-21 19:40:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:40:04,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-10-21 19:40:04,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:04,413 INFO L225 Difference]: With dead ends: 1312 [2021-10-21 19:40:04,413 INFO L226 Difference]: Without dead ends: 699 [2021-10-21 19:40:04,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.2ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:40:04,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-10-21 19:40:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-10-21 19:40:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2607449856733524) internal successors, (880), 698 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:04,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 880 transitions. [2021-10-21 19:40:04,433 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 880 transitions. Word has length 205 [2021-10-21 19:40:04,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:04,433 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 880 transitions. [2021-10-21 19:40:04,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.285714285714285) internal successors, (205), 6 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 880 transitions. [2021-10-21 19:40:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-10-21 19:40:04,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:04,438 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:04,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:40:04,438 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:04,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:04,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1025274224, now seen corresponding path program 1 times [2021-10-21 19:40:04,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:04,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214381035] [2021-10-21 19:40:04,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:04,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:04,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:04,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214381035] [2021-10-21 19:40:04,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214381035] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:04,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:04,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:04,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092833405] [2021-10-21 19:40:04,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:04,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:04,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:04,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:04,567 INFO L87 Difference]: Start difference. First operand 699 states and 880 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:05,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:05,050 INFO L93 Difference]: Finished difference Result 1535 states and 2042 transitions. [2021-10-21 19:40:05,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:05,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-10-21 19:40:05,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:05,057 INFO L225 Difference]: With dead ends: 1535 [2021-10-21 19:40:05,057 INFO L226 Difference]: Without dead ends: 977 [2021-10-21 19:40:05,058 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 19:40:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-10-21 19:40:05,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-10-21 19:40:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.2592213114754098) internal successors, (1229), 976 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1229 transitions. [2021-10-21 19:40:05,085 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1229 transitions. Word has length 241 [2021-10-21 19:40:05,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:05,086 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1229 transitions. [2021-10-21 19:40:05,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1229 transitions. [2021-10-21 19:40:05,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-21 19:40:05,091 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:05,091 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:05,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:40:05,092 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:05,092 INFO L82 PathProgramCache]: Analyzing trace with hash -374221687, now seen corresponding path program 1 times [2021-10-21 19:40:05,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:05,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786835854] [2021-10-21 19:40:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:05,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 114 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:05,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:05,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786835854] [2021-10-21 19:40:05,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786835854] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:40:05,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697282446] [2021-10-21 19:40:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:05,297 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:40:05,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:40:05,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:40:05,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:40:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:05,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:40:05,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-21 19:40:06,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697282446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:06,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:40:06,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-21 19:40:06,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615761989] [2021-10-21 19:40:06,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:06,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:06,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:06,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:40:06,493 INFO L87 Difference]: Start difference. First operand 977 states and 1229 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:06,968 INFO L93 Difference]: Finished difference Result 2091 states and 2645 transitions. [2021-10-21 19:40:06,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:06,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 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 284 [2021-10-21 19:40:06,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:06,977 INFO L225 Difference]: With dead ends: 2091 [2021-10-21 19:40:06,977 INFO L226 Difference]: Without dead ends: 1255 [2021-10-21 19:40:06,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:40:06,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-10-21 19:40:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-10-21 19:40:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1650717703349283) internal successors, (1461), 1254 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2021-10-21 19:40:07,014 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 284 [2021-10-21 19:40:07,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:07,015 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2021-10-21 19:40:07,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2021-10-21 19:40:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-10-21 19:40:07,021 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:07,022 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:07,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-21 19:40:07,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-21 19:40:07,244 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:07,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:07,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1812017199, now seen corresponding path program 1 times [2021-10-21 19:40:07,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:07,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253696263] [2021-10-21 19:40:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:07,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-21 19:40:07,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:07,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253696263] [2021-10-21 19:40:07,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253696263] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:07,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:07,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:07,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693181823] [2021-10-21 19:40:07,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:07,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:07,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:07,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:07,378 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:07,866 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions. [2021-10-21 19:40:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:07,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 314 [2021-10-21 19:40:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:07,876 INFO L225 Difference]: With dead ends: 2647 [2021-10-21 19:40:07,876 INFO L226 Difference]: Without dead ends: 1533 [2021-10-21 19:40:07,880 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 19:40:07,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-10-21 19:40:07,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2021-10-21 19:40:07,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.1593682699210337) internal successors, (1615), 1393 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1615 transitions. [2021-10-21 19:40:07,916 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1615 transitions. Word has length 314 [2021-10-21 19:40:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:07,917 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 1615 transitions. [2021-10-21 19:40:07,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1615 transitions. [2021-10-21 19:40:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-10-21 19:40:07,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:07,925 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:07,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:40:07,925 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:07,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1741531862, now seen corresponding path program 1 times [2021-10-21 19:40:07,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:07,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183960201] [2021-10-21 19:40:07,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:07,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-10-21 19:40:08,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:08,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183960201] [2021-10-21 19:40:08,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183960201] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:08,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:08,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:08,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553757303] [2021-10-21 19:40:08,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:08,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:08,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:08,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:08,071 INFO L87 Difference]: Start difference. First operand 1394 states and 1615 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:08,545 INFO L93 Difference]: Finished difference Result 1674 states and 1918 transitions. [2021-10-21 19:40:08,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:08,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 324 [2021-10-21 19:40:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:08,555 INFO L225 Difference]: With dead ends: 1674 [2021-10-21 19:40:08,555 INFO L226 Difference]: Without dead ends: 1672 [2021-10-21 19:40:08,556 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 19:40:08,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-10-21 19:40:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2021-10-21 19:40:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.164274322169059) internal successors, (1460), 1254 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2021-10-21 19:40:08,593 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 324 [2021-10-21 19:40:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:08,594 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2021-10-21 19:40:08,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2021-10-21 19:40:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-10-21 19:40:08,602 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:08,602 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:08,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:40:08,603 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2086864510, now seen corresponding path program 1 times [2021-10-21 19:40:08,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:08,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175165078] [2021-10-21 19:40:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:08,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 349 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:40:08,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:08,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175165078] [2021-10-21 19:40:08,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175165078] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:40:08,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459660926] [2021-10-21 19:40:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:08,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:40:08,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:40:08,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:40:08,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:40:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:09,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:40:09,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:40:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-21 19:40:09,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459660926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:09,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:40:09,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 19:40:09,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649034149] [2021-10-21 19:40:09,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:09,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:09,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:40:09,929 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:10,447 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2021-10-21 19:40:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:10,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 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 352 [2021-10-21 19:40:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:10,459 INFO L225 Difference]: With dead ends: 3203 [2021-10-21 19:40:10,459 INFO L226 Difference]: Without dead ends: 2089 [2021-10-21 19:40:10,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:40:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-21 19:40:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-21 19:40:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1345785440613028) internal successors, (2369), 2088 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2021-10-21 19:40:10,511 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 352 [2021-10-21 19:40:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:10,512 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2021-10-21 19:40:10,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2021-10-21 19:40:10,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-10-21 19:40:10,521 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:40:10,521 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:40:10,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:40:10,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-21 19:40:10,736 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:40:10,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:40:10,736 INFO L82 PathProgramCache]: Analyzing trace with hash 512721694, now seen corresponding path program 1 times [2021-10-21 19:40:10,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:40:10,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110156789] [2021-10-21 19:40:10,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:40:10,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:40:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:40:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-10-21 19:40:10,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:40:10,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110156789] [2021-10-21 19:40:10,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110156789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:40:10,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:40:10,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:40:10,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235714217] [2021-10-21 19:40:10,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:40:10,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:40:10,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:40:10,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:40:10,878 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:11,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:40:11,330 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions. [2021-10-21 19:40:11,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:40:11,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 365 [2021-10-21 19:40:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:40:11,332 INFO L225 Difference]: With dead ends: 4035 [2021-10-21 19:40:11,333 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:40:11,336 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 19:40:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:40:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:40:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:40:11,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 365 [2021-10-21 19:40:11,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:40:11,338 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:40:11,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:40:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:40:11,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:40:11,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:40:11,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:40:11,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:40:11,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:11,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:11,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:40:11,553 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-21 19:40:11,553 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-21 19:40:11,553 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-21 19:40:11,554 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-21 19:40:11,554 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-21 19:40:11,554 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-21 19:40:11,554 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,555 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,555 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,555 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,555 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,556 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,556 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-21 19:40:11,556 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:40:11,556 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:40:11,556 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:40:11,557 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:40:11,557 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:40:11,558 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-21 19:40:11,559 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-21 19:40:11,560 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,560 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,560 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-21 19:40:11,561 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:40:11,562 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:40:11,563 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-21 19:40:11,563 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-21 19:40:11,563 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-21 19:40:11,563 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,563 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,566 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,566 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,566 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:40:11,567 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:40:11,568 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:40:11,568 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:40:11,568 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:40:11,569 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:40:11,569 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-21 19:40:11,569 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-21 19:40:11,569 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,570 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:40:11,571 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-21 19:40:11,572 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,573 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,573 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,573 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,574 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,574 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-21 19:40:11,575 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-21 19:40:11,575 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-21 19:40:11,575 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-21 19:40:11,575 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-21 19:40:11,576 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,577 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:40:11,578 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:40:11,579 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:40:11,579 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:40:11,580 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 4) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse1 (= ~a10~0 2) .cse2) (and .cse0 (= ~a10~0 3) .cse1 .cse2) (and .cse3 (= ~a10~0 1) .cse1 .cse2))) [2021-10-21 19:40:11,580 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-21 19:40:11,580 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-21 19:40:11,580 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,581 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:40:11,582 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:40:11,583 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:40:11,583 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-21 19:40:11,583 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-21 19:40:11,583 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-21 19:40:11,583 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-21 19:40:11,583 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,584 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:40:11,585 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-21 19:40:11,586 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-21 19:40:11,586 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-21 19:40:11,588 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-21 19:40:11,589 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,590 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:40:11,591 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:40:11,592 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:40:11,592 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-21 19:40:11,592 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-21 19:40:11,592 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-21 19:40:11,594 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9)) (.cse3 (<= 7 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 4) .cse1 .cse2) (and (= ~a10~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse1 (= ~a10~0 2) .cse2) (and .cse0 (= ~a10~0 3) .cse1 .cse2) (and .cse3 (= ~a10~0 1) .cse1 .cse2))) [2021-10-21 19:40:11,594 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-21 19:40:11,594 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,594 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,595 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,595 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,595 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-21 19:40:11,595 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,595 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:40:11,596 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 170) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-21 19:40:11,597 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,598 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-21 19:40:11,599 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:40:11,600 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:40:11,600 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:40:11,600 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:40:11,600 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:40:11,600 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:40:11,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:40:11,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:40:11 BoogieIcfgContainer [2021-10-21 19:40:11,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:40:11,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:40:11,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:40:11,636 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:40:11,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:39:59" (3/4) ... [2021-10-21 19:40:11,639 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:40:11,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:40:11,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:40:11,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:40:11,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:40:11,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:40:11,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:40:11,817 INFO L168 Benchmark]: Toolchain (without parser) took 14555.15 ms. Allocated memory was 119.5 MB in the beginning and 232.8 MB in the end (delta: 113.2 MB). Free memory was 89.1 MB in the beginning and 169.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,817 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 119.5 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:40:11,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.70 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 88.8 MB in the beginning and 100.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.47 ms. Allocated memory is still 144.7 MB. Free memory was 100.9 MB in the beginning and 93.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,818 INFO L168 Benchmark]: Boogie Preprocessor took 73.32 ms. Allocated memory is still 144.7 MB. Free memory was 93.0 MB in the beginning and 88.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,819 INFO L168 Benchmark]: RCFGBuilder took 1249.21 ms. Allocated memory is still 144.7 MB. Free memory was 88.0 MB in the beginning and 83.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,819 INFO L168 Benchmark]: TraceAbstraction took 12278.99 ms. Allocated memory was 144.7 MB in the beginning and 232.8 MB in the end (delta: 88.1 MB). Free memory was 82.4 MB in the beginning and 184.5 MB in the end (delta: -102.1 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,820 INFO L168 Benchmark]: Witness Printer took 179.54 ms. Allocated memory is still 232.8 MB. Free memory was 184.5 MB in the beginning and 169.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:40:11,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 119.5 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 649.70 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 88.8 MB in the beginning and 100.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.47 ms. Allocated memory is still 144.7 MB. Free memory was 100.9 MB in the beginning and 93.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.32 ms. Allocated memory is still 144.7 MB. Free memory was 93.0 MB in the beginning and 88.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1249.21 ms. Allocated memory is still 144.7 MB. Free memory was 88.0 MB in the beginning and 83.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12278.99 ms. Allocated memory was 144.7 MB in the beginning and 232.8 MB in the end (delta: 88.1 MB). Free memory was 82.4 MB in the beginning and 184.5 MB in the end (delta: -102.1 MB). Peak memory consumption was 107.7 MB. Max. memory is 16.1 GB. * Witness Printer took 179.54 ms. Allocated memory is still 232.8 MB. Free memory was 184.5 MB in the beginning and 169.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 170]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12174.4ms, OverallIterations: 12, TraceHistogramMax: 4, EmptinessCheckTime: 78.5ms, AutomataDifference: 6542.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 210.6ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1335 SDtfs, 1135 SDslu, 68 SDs, 0 SdLazy, 4813 SolverSat, 733 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4744.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 137.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 350.6ms AutomataMinimizationTime, 12 MinimizatonAttempts, 848 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 133 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1240 FormulaSimplificationTreeSizeReduction, 47.1ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 102 FormulaSimplificationTreeSizeReductionInter, 156.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 174.1ms SsaConstructionTime, 566.1ms SatisfiabilityAnalysisTime, 3336.5ms InterpolantComputationTime, 3313 NumberOfCodeBlocks, 3313 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3299 ConstructedInterpolants, 0 QuantifiedInterpolants, 12430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 904 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2788/2928 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: 592]: Loop Invariant Derived loop invariant: ((((((a19 <= 9 && a10 == 4) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && 7 <= a19) && 14 == a4) && a10 == 2) && a12 == 0)) || (((a19 <= 9 && a10 == 3) && 14 == a4) && a12 == 0)) || (((7 <= a19 && a10 == 1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a19 <= 9 && a10 == 4) && 14 == a4) && a12 == 0) || ((a10 == 0 && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && 7 <= a19) && 14 == a4) && a10 == 2) && a12 == 0)) || (((a19 <= 9 && a10 == 3) && 14 == a4) && a12 == 0)) || (((7 <= a19 && a10 == 1) && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:40:11,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f675cfc8-928e-4121-9b5a-d9dad16d3a5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...