./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC --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 2076015a5908970d35728e852c46f824d2f96c99 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:00,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:00,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:01,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:01,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:01,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:01,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:01,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:01,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:01,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:01,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:01,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:01,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:01,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:01,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:01,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:01,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:01,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:01,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:01,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:01,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:01,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:01,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:01,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:01,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:01,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:01,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:01,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:01,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:01,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:01,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:01,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:01,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:01,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:01,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:01,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:01,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:01,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:01,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:01,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:01,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:01,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:01,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:01,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:01,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:01,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:01,115 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:01,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:01,115 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:01,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:01,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:01,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:01,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:01,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:01,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:01,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:01,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:01,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:01,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:01,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:01,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:01,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:01,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:01,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:01,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:01,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:01,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:01,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:01,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:01,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:01,121 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_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2076015a5908970d35728e852c46f824d2f96c99 [2021-10-11 00:32:01,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:01,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:01,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:01,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:01,450 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:01,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2021-10-11 00:32:01,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/data/78b578438/1faf15d95f3f492a83fa99a1f23460ea/FLAGd950ae029 [2021-10-11 00:32:02,222 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:02,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2021-10-11 00:32:02,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/data/78b578438/1faf15d95f3f492a83fa99a1f23460ea/FLAGd950ae029 [2021-10-11 00:32:02,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/data/78b578438/1faf15d95f3f492a83fa99a1f23460ea [2021-10-11 00:32:02,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:02,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:02,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:02,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:02,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:02,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:02" (1/1) ... [2021-10-11 00:32:02,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c032cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:02, skipping insertion in model container [2021-10-11 00:32:02,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:02" (1/1) ... [2021-10-11 00:32:02,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:02,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:03,110 WARN L226 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_599be6d7-4cee-43e5-9a31-8095019a7c92/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2021-10-11 00:32:03,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:03,168 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:03,253 WARN L226 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_599be6d7-4cee-43e5-9a31-8095019a7c92/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2021-10-11 00:32:03,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:03,287 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:03,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03 WrapperNode [2021-10-11 00:32:03,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:03,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:03,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:03,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:03,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:03,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:03,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:03,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:03,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... [2021-10-11 00:32:03,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:03,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:03,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:03,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:03,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:05,034 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:05,034 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:32:05,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05 BoogieIcfgContainer [2021-10-11 00:32:05,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:05,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:05,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:05,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:05,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:02" (1/3) ... [2021-10-11 00:32:05,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4e411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:05, skipping insertion in model container [2021-10-11 00:32:05,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:03" (2/3) ... [2021-10-11 00:32:05,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@da4e411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:05, skipping insertion in model container [2021-10-11 00:32:05,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05" (3/3) ... [2021-10-11 00:32:05,050 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2021-10-11 00:32:05,065 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:05,069 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:32:05,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:32:05,121 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:05,122 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:05,122 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:05,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:05,122 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:05,122 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:05,122 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:05,122 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2021-10-11 00:32:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-11 00:32:05,153 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:05,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:05,154 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:05,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:05,159 INFO L82 PathProgramCache]: Analyzing trace with hash 906683963, now seen corresponding path program 1 times [2021-10-11 00:32:05,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:05,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911178574] [2021-10-11 00:32:05,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:05,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911178574] [2021-10-11 00:32:05,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:05,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:05,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200368989] [2021-10-11 00:32:05,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:05,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:05,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:05,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:05,616 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2021-10-11 00:32:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:06,585 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2021-10-11 00:32:06,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:06,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-10-11 00:32:06,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:06,616 INFO L225 Difference]: With dead ends: 601 [2021-10-11 00:32:06,616 INFO L226 Difference]: Without dead ends: 310 [2021-10-11 00:32:06,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:06,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-11 00:32:06,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-10-11 00:32:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2021-10-11 00:32:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2021-10-11 00:32:06,708 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 117 [2021-10-11 00:32:06,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:06,709 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2021-10-11 00:32:06,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2021-10-11 00:32:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-11 00:32:06,719 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:06,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:06,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:06,721 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:06,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash -904416550, now seen corresponding path program 1 times [2021-10-11 00:32:06,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:06,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778536302] [2021-10-11 00:32:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:06,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778536302] [2021-10-11 00:32:06,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:06,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:06,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947341632] [2021-10-11 00:32:06,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:06,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:06,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:06,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:06,889 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2021-10-11 00:32:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:07,651 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2021-10-11 00:32:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:07,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2021-10-11 00:32:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:07,655 INFO L225 Difference]: With dead ends: 902 [2021-10-11 00:32:07,655 INFO L226 Difference]: Without dead ends: 594 [2021-10-11 00:32:07,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:07,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-11 00:32:07,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2021-10-11 00:32:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2021-10-11 00:32:07,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2021-10-11 00:32:07,678 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 135 [2021-10-11 00:32:07,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:07,679 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2021-10-11 00:32:07,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2021-10-11 00:32:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-11 00:32:07,681 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:07,682 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:07,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:07,682 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:07,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:07,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1898939514, now seen corresponding path program 1 times [2021-10-11 00:32:07,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:07,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138599375] [2021-10-11 00:32:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:07,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138599375] [2021-10-11 00:32:07,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:07,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:07,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501357371] [2021-10-11 00:32:07,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:07,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:07,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:07,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:07,789 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2021-10-11 00:32:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:08,112 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2021-10-11 00:32:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:08,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2021-10-11 00:32:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:08,117 INFO L225 Difference]: With dead ends: 1172 [2021-10-11 00:32:08,117 INFO L226 Difference]: Without dead ends: 582 [2021-10-11 00:32:08,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:08,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-10-11 00:32:08,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2021-10-11 00:32:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2021-10-11 00:32:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2021-10-11 00:32:08,133 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 136 [2021-10-11 00:32:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:08,133 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2021-10-11 00:32:08,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2021-10-11 00:32:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-10-11 00:32:08,136 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:08,136 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:08,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:08,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:08,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:08,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1877843601, now seen corresponding path program 1 times [2021-10-11 00:32:08,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:08,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425231462] [2021-10-11 00:32:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:08,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425231462] [2021-10-11 00:32:08,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:08,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:08,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540402896] [2021-10-11 00:32:08,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:08,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:08,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:08,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:08,225 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2021-10-11 00:32:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:08,785 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2021-10-11 00:32:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:08,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2021-10-11 00:32:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:08,790 INFO L225 Difference]: With dead ends: 1302 [2021-10-11 00:32:08,790 INFO L226 Difference]: Without dead ends: 722 [2021-10-11 00:32:08,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:08,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2021-10-11 00:32:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2021-10-11 00:32:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2021-10-11 00:32:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2021-10-11 00:32:08,809 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 140 [2021-10-11 00:32:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:08,809 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2021-10-11 00:32:08,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2021-10-11 00:32:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-10-11 00:32:08,812 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:08,813 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:08,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:08,813 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1487828793, now seen corresponding path program 1 times [2021-10-11 00:32:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:08,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828405948] [2021-10-11 00:32:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:09,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828405948] [2021-10-11 00:32:09,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169020978] [2021-10-11 00:32:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:09,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:32:09,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:32:09,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:32:09,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:32:09,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609616980] [2021-10-11 00:32:09,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:09,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:09,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:09,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:09,457 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2021-10-11 00:32:10,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:10,094 INFO L93 Difference]: Finished difference Result 1723 states and 2061 transitions. [2021-10-11 00:32:10,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:10,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2021-10-11 00:32:10,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:10,104 INFO L225 Difference]: With dead ends: 1723 [2021-10-11 00:32:10,104 INFO L226 Difference]: Without dead ends: 861 [2021-10-11 00:32:10,106 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:10,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-10-11 00:32:10,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2021-10-11 00:32:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-10-11 00:32:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 945 transitions. [2021-10-11 00:32:10,135 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 945 transitions. Word has length 144 [2021-10-11 00:32:10,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:10,138 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 945 transitions. [2021-10-11 00:32:10,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 945 transitions. [2021-10-11 00:32:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-10-11 00:32:10,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:10,142 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:10,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:10,356 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:10,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1419477438, now seen corresponding path program 1 times [2021-10-11 00:32:10,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:10,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600763102] [2021-10-11 00:32:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:32:10,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600763102] [2021-10-11 00:32:10,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925572701] [2021-10-11 00:32:10,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:10,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:32:10,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-11 00:32:10,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:32:10,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-11 00:32:10,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971439999] [2021-10-11 00:32:10,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:10,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:10,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:10,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:10,911 INFO L87 Difference]: Start difference. First operand 861 states and 945 transitions. Second operand 3 states. [2021-10-11 00:32:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:11,444 INFO L93 Difference]: Finished difference Result 2139 states and 2357 transitions. [2021-10-11 00:32:11,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:11,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2021-10-11 00:32:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:11,451 INFO L225 Difference]: With dead ends: 2139 [2021-10-11 00:32:11,451 INFO L226 Difference]: Without dead ends: 1279 [2021-10-11 00:32:11,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-10-11 00:32:11,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2021-10-11 00:32:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2021-10-11 00:32:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2021-10-11 00:32:11,474 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 167 [2021-10-11 00:32:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:11,475 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2021-10-11 00:32:11,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2021-10-11 00:32:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-11 00:32:11,479 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:11,479 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:11,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:11,700 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:11,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:11,700 INFO L82 PathProgramCache]: Analyzing trace with hash 574531249, now seen corresponding path program 1 times [2021-10-11 00:32:11,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:11,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420326259] [2021-10-11 00:32:11,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-11 00:32:11,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420326259] [2021-10-11 00:32:11,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387507818] [2021-10-11 00:32:11,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:11,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:32:11,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-10-11 00:32:12,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:32:12,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:32:12,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499991804] [2021-10-11 00:32:12,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:12,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:12,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:12,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:12,196 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2021-10-11 00:32:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:12,748 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2021-10-11 00:32:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:12,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2021-10-11 00:32:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:12,756 INFO L225 Difference]: With dead ends: 2276 [2021-10-11 00:32:12,756 INFO L226 Difference]: Without dead ends: 1279 [2021-10-11 00:32:12,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:12,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-10-11 00:32:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2021-10-11 00:32:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2021-10-11 00:32:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2021-10-11 00:32:12,785 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 193 [2021-10-11 00:32:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:12,785 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2021-10-11 00:32:12,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2021-10-11 00:32:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-11 00:32:12,790 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:12,791 INFO L422 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:32:13,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:13,016 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,016 INFO L82 PathProgramCache]: Analyzing trace with hash -328644347, now seen corresponding path program 1 times [2021-10-11 00:32:13,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136550885] [2021-10-11 00:32:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-11 00:32:13,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136550885] [2021-10-11 00:32:13,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:13,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:13,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847827880] [2021-10-11 00:32:13,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:13,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:13,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:13,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,156 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2021-10-11 00:32:13,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:13,714 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2021-10-11 00:32:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:13,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2021-10-11 00:32:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:13,723 INFO L225 Difference]: With dead ends: 3110 [2021-10-11 00:32:13,724 INFO L226 Difference]: Without dead ends: 1835 [2021-10-11 00:32:13,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2021-10-11 00:32:13,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2021-10-11 00:32:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2021-10-11 00:32:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2021-10-11 00:32:13,760 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 215 [2021-10-11 00:32:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:13,760 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2021-10-11 00:32:13,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2021-10-11 00:32:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-10-11 00:32:13,764 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:13,765 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-11 00:32:13,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:32:13,766 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:13,766 INFO L82 PathProgramCache]: Analyzing trace with hash 36518128, now seen corresponding path program 1 times [2021-10-11 00:32:13,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:13,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949516538] [2021-10-11 00:32:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:32:14,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949516538] [2021-10-11 00:32:14,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712780924] [2021-10-11 00:32:14,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:14,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:32:14,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:32:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-11 00:32:14,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:32:14,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-11 00:32:14,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736595662] [2021-10-11 00:32:14,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:14,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:14,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:14,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:14,460 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2021-10-11 00:32:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:14,986 INFO L93 Difference]: Finished difference Result 2967 states and 3258 transitions. [2021-10-11 00:32:14,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:14,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2021-10-11 00:32:14,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:14,987 INFO L225 Difference]: With dead ends: 2967 [2021-10-11 00:32:14,987 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:32:14,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:32:14,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:32:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:32:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:32:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:32:14,991 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2021-10-11 00:32:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:14,992 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:32:14,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:32:14,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:32:15,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:32:15,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:32:15,375 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-10-11 00:32:15,498 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-11 00:32:15,501 INFO L262 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-11 00:32:15,502 INFO L262 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,503 INFO L262 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-11 00:32:15,504 INFO L262 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-11 00:32:15,505 INFO L262 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,505 INFO L262 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,506 INFO L262 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,506 INFO L262 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-11 00:32:15,507 INFO L262 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,508 INFO L262 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-11 00:32:15,509 INFO L262 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-11 00:32:15,510 INFO L262 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-11 00:32:15,511 INFO L262 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-11 00:32:15,512 INFO L262 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-11 00:32:15,513 INFO L262 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-11 00:32:15,513 INFO L262 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-11 00:32:15,513 INFO L262 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:32:15,513 INFO L262 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-11 00:32:15,513 INFO L262 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L258 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse2 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse5 (<= 8 ~a17~0)) (.cse6 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse4 .cse1) (and (<= 10 ~a28~0) .cse1 .cse2) (and .cse3 .cse5 .cse0 .cse6 .cse1) (and .cse5 (<= ~a28~0 8) .cse6 .cse1))) [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L262 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-11 00:32:15,515 INFO L265 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-11 00:32:15,516 INFO L262 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L258 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse2 (<= ~a28~0 10)) (.cse3 (= ~a19~0 1)) (.cse0 (= ~a25~0 1)) (.cse5 (<= 8 ~a17~0)) (.cse6 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse4 .cse1) (and (<= 10 ~a28~0) .cse1 .cse2) (and .cse3 .cse5 .cse0 .cse6 .cse1) (and .cse5 (<= ~a28~0 8) .cse6 .cse1))) [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-11 00:32:15,517 INFO L262 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:32:15,518 INFO L262 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-11 00:32:15,519 INFO L262 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-11 00:32:15,520 INFO L262 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-11 00:32:15,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:15 BoogieIcfgContainer [2021-10-11 00:32:15,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:15,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:15,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:15,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:15,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05" (3/4) ... [2021-10-11 00:32:15,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:32:15,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:32:15,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:32:15,562 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:15,564 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:32:15,728 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599be6d7-4cee-43e5-9a31-8095019a7c92/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:15,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:15,729 INFO L168 Benchmark]: Toolchain (without parser) took 13195.68 ms. Allocated memory was 81.8 MB in the beginning and 335.5 MB in the end (delta: 253.8 MB). Free memory was 47.6 MB in the beginning and 173.5 MB in the end (delta: -125.9 MB). Peak memory consumption was 127.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,730 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:15,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.12 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 59.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.78 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 54.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,731 INFO L168 Benchmark]: Boogie Preprocessor took 89.25 ms. Allocated memory is still 98.6 MB. Free memory was 54.0 MB in the beginning and 49.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,731 INFO L168 Benchmark]: RCFGBuilder took 1558.16 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 49.8 MB in the beginning and 101.6 MB in the end (delta: -51.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,732 INFO L168 Benchmark]: TraceAbstraction took 10495.41 ms. Allocated memory was 134.2 MB in the beginning and 335.5 MB in the end (delta: 201.3 MB). Free memory was 101.6 MB in the beginning and 188.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,732 INFO L168 Benchmark]: Witness Printer took 190.27 ms. Allocated memory is still 335.5 MB. Free memory was 188.2 MB in the beginning and 173.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:15,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.12 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 59.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.78 ms. Allocated memory is still 98.6 MB. Free memory was 59.8 MB in the beginning and 54.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.25 ms. Allocated memory is still 98.6 MB. Free memory was 54.0 MB in the beginning and 49.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1558.16 ms. Allocated memory was 98.6 MB in the beginning and 134.2 MB in the end (delta: 35.7 MB). Free memory was 49.8 MB in the beginning and 101.6 MB in the end (delta: -51.9 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10495.41 ms. Allocated memory was 134.2 MB in the beginning and 335.5 MB in the end (delta: 201.3 MB). Free memory was 101.6 MB in the beginning and 188.2 MB in the end (delta: -86.6 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.1 GB. * Witness Printer took 190.27 ms. Allocated memory is still 335.5 MB. Free memory was 188.2 MB in the beginning and 173.5 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: - PositiveResult [Line: 533]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((((a25 == 1 && a17 <= 8) && a28 <= 10) || ((a19 == 1 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || ((10 <= a28 && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || (((8 <= a17 && a28 <= 8) && !(a11 == 1)) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a25 == 1 && a17 <= 8) && a28 <= 10) || ((a19 == 1 && a28 <= 7) && a17 <= 8)) || (((a19 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || ((10 <= a28 && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && !(a11 == 1)) && a17 <= 8)) || (((8 <= a17 && a28 <= 8) && !(a11 == 1)) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 761 SDtfs, 992 SDslu, 91 SDs, 0 SdLazy, 2925 SolverSat, 531 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 722 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 31 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 762 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2181 NumberOfCodeBlocks, 2181 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2168 ConstructedInterpolants, 0 QuantifiedInterpolants, 1423984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 924/1014 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...