./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg --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 2bca315e83f3e404b0e19c30f2a2a6ccd3138047241e2a3074cd921904dce242 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:44:21,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:44:21,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:44:21,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:44:21,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:44:21,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:44:21,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:44:21,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:44:21,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:44:21,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:44:21,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:44:21,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:44:21,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:44:21,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:44:21,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:44:21,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:44:21,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:44:21,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:44:21,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:44:21,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:44:21,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:44:21,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:44:21,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:44:21,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:44:21,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:44:21,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:44:21,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:44:21,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:44:21,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:44:21,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:44:21,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:44:21,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:44:21,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:44:21,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:44:21,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:44:21,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:44:21,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:44:21,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:44:21,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:44:21,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:44:21,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:44:21,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:44:21,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:44:21,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:44:21,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:44:21,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:44:21,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:44:21,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:44:21,363 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:44:21,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:44:21,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:44:21,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:44:21,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:44:21,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:44:21,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:44:21,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:44:21,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:44:21,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:44:21,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:44:21,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:44:21,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:44:21,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:44:21,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:44:21,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:44:21,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:44:21,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:44:21,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:44:21,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:44:21,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:44:21,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:44:21,370 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:44:21,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:44:21,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:44:21,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:44:21,372 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_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bca315e83f3e404b0e19c30f2a2a6ccd3138047241e2a3074cd921904dce242 [2021-10-28 09:44:21,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:44:21,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:44:21,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:44:21,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:44:21,671 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:44:21,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2021-10-28 09:44:21,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/data/e722399c3/54bd8239eff84e67a8f9ddb76481a86b/FLAG938aeb35b [2021-10-28 09:44:22,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:44:22,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/sv-benchmarks/c/eca-rers2012/Problem02_label00.c [2021-10-28 09:44:22,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/data/e722399c3/54bd8239eff84e67a8f9ddb76481a86b/FLAG938aeb35b [2021-10-28 09:44:22,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/data/e722399c3/54bd8239eff84e67a8f9ddb76481a86b [2021-10-28 09:44:22,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:44:22,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:44:22,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:44:22,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:44:22,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:44:22,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:44:22" (1/1) ... [2021-10-28 09:44:22,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700845b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:22, skipping insertion in model container [2021-10-28 09:44:22,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:44:22" (1/1) ... [2021-10-28 09:44:22,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:44:22,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:44:22,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/sv-benchmarks/c/eca-rers2012/Problem02_label00.c[18487,18500] [2021-10-28 09:44:23,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:44:23,030 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:44:23,128 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/sv-benchmarks/c/eca-rers2012/Problem02_label00.c[18487,18500] [2021-10-28 09:44:23,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:44:23,154 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:44:23,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23 WrapperNode [2021-10-28 09:44:23,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:44:23,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:44:23,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:44:23,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:44:23,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:44:23,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:44:23,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:44:23,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:44:23,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:44:23,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:44:23,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:44:23,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:44:23,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (1/1) ... [2021-10-28 09:44:23,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:44:23,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:44:23,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:44:23,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:44:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:44:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:44:23,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:44:23,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:44:24,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:44:24,770 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:44:24,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:24 BoogieIcfgContainer [2021-10-28 09:44:24,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:44:24,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:44:24,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:44:24,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:44:24,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:44:22" (1/3) ... [2021-10-28 09:44:24,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432e0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:44:24, skipping insertion in model container [2021-10-28 09:44:24,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:44:23" (2/3) ... [2021-10-28 09:44:24,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432e0a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:44:24, skipping insertion in model container [2021-10-28 09:44:24,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:24" (3/3) ... [2021-10-28 09:44:24,783 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2021-10-28 09:44:24,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:44:24,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:44:24,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:44:24,847 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:44:24,847 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:44:24,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-10-28 09:44:24,882 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:24,883 INFO L513 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] [2021-10-28 09:44:24,883 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:24,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1162953203, now seen corresponding path program 1 times [2021-10-28 09:44:24,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:24,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244769122] [2021-10-28 09:44:24,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:24,900 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:25,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:25,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244769122] [2021-10-28 09:44:25,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244769122] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:25,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:25,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:25,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49101847] [2021-10-28 09:44:25,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:25,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:25,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:25,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:25,318 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:26,032 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-10-28 09:44:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:26,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2021-10-28 09:44:26,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:26,048 INFO L225 Difference]: With dead ends: 630 [2021-10-28 09:44:26,048 INFO L226 Difference]: Without dead ends: 318 [2021-10-28 09:44:26,053 INFO L786 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 [2021-10-28 09:44:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-28 09:44:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-10-28 09:44:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-10-28 09:44:26,143 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 115 [2021-10-28 09:44:26,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:26,145 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-10-28 09:44:26,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-10-28 09:44:26,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-28 09:44:26,152 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:26,152 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:26,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:44:26,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:26,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1399875752, now seen corresponding path program 1 times [2021-10-28 09:44:26,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:26,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336737346] [2021-10-28 09:44:26,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:26,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:26,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:26,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336737346] [2021-10-28 09:44:26,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336737346] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:26,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:26,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:26,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333951777] [2021-10-28 09:44:26,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:44:26,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:44:26,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:44:26,441 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:27,283 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-10-28 09:44:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:44:27,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-10-28 09:44:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:27,298 INFO L225 Difference]: With dead ends: 999 [2021-10-28 09:44:27,299 INFO L226 Difference]: Without dead ends: 600 [2021-10-28 09:44:27,301 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:44:27,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-28 09:44:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-10-28 09:44:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.357262103505843) internal successors, (813), 599 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 813 transitions. [2021-10-28 09:44:27,336 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 813 transitions. Word has length 119 [2021-10-28 09:44:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:27,336 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 813 transitions. [2021-10-28 09:44:27,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 813 transitions. [2021-10-28 09:44:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-10-28 09:44:27,342 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:27,342 INFO L513 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] [2021-10-28 09:44:27,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:44:27,343 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:27,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1256805806, now seen corresponding path program 1 times [2021-10-28 09:44:27,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:27,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786107139] [2021-10-28 09:44:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:27,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:27,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:27,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786107139] [2021-10-28 09:44:27,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786107139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:27,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:27,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:27,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228079136] [2021-10-28 09:44:27,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:27,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:27,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:27,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:27,413 INFO L87 Difference]: Start difference. First operand 600 states and 813 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:27,907 INFO L93 Difference]: Finished difference Result 1781 states and 2418 transitions. [2021-10-28 09:44:27,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:27,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-10-28 09:44:27,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:27,915 INFO L225 Difference]: With dead ends: 1781 [2021-10-28 09:44:27,915 INFO L226 Difference]: Without dead ends: 1183 [2021-10-28 09:44:27,917 INFO L786 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 [2021-10-28 09:44:27,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-10-28 09:44:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173. [2021-10-28 09:44:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3114334470989761) internal successors, (1537), 1172 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1537 transitions. [2021-10-28 09:44:27,965 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1537 transitions. Word has length 133 [2021-10-28 09:44:27,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:27,965 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1537 transitions. [2021-10-28 09:44:27,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1537 transitions. [2021-10-28 09:44:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-28 09:44:27,975 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:27,975 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:27,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:44:27,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:27,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:27,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1707718495, now seen corresponding path program 1 times [2021-10-28 09:44:27,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:27,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189421957] [2021-10-28 09:44:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:27,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:28,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:28,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189421957] [2021-10-28 09:44:28,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189421957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:28,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:28,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:44:28,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367784534] [2021-10-28 09:44:28,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:28,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:28,058 INFO L87 Difference]: Start difference. First operand 1173 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:28,591 INFO L93 Difference]: Finished difference Result 3329 states and 4387 transitions. [2021-10-28 09:44:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:28,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-28 09:44:28,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:28,605 INFO L225 Difference]: With dead ends: 3329 [2021-10-28 09:44:28,605 INFO L226 Difference]: Without dead ends: 2158 [2021-10-28 09:44:28,607 INFO L786 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 [2021-10-28 09:44:28,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-10-28 09:44:28,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-10-28 09:44:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.200557103064067) internal successors, (2586), 2154 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2586 transitions. [2021-10-28 09:44:28,706 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2586 transitions. Word has length 139 [2021-10-28 09:44:28,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:28,707 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2586 transitions. [2021-10-28 09:44:28,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2586 transitions. [2021-10-28 09:44:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-10-28 09:44:28,714 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:28,714 INFO L513 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] [2021-10-28 09:44:28,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:44:28,716 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:28,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:28,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1795097999, now seen corresponding path program 1 times [2021-10-28 09:44:28,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:28,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230167325] [2021-10-28 09:44:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:28,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:29,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:29,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230167325] [2021-10-28 09:44:29,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230167325] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:44:29,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54819859] [2021-10-28 09:44:29,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:29,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:44:29,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:44:29,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:44:29,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:44:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:29,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:44:29,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:44:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-28 09:44:29,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54819859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:29,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:44:29,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:44:29,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920041970] [2021-10-28 09:44:29,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:29,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:44:29,707 INFO L87 Difference]: Start difference. First operand 2155 states and 2586 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:30,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:30,256 INFO L93 Difference]: Finished difference Result 5309 states and 6455 transitions. [2021-10-28 09:44:30,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:30,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2021-10-28 09:44:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:30,277 INFO L225 Difference]: With dead ends: 5309 [2021-10-28 09:44:30,278 INFO L226 Difference]: Without dead ends: 3156 [2021-10-28 09:44:30,281 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:44:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2021-10-28 09:44:30,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 2876. [2021-10-28 09:44:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2875 states have (on average 1.1822608695652175) internal successors, (3399), 2875 states have internal predecessors, (3399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 3399 transitions. [2021-10-28 09:44:30,364 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 3399 transitions. Word has length 142 [2021-10-28 09:44:30,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:30,365 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 3399 transitions. [2021-10-28 09:44:30,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3399 transitions. [2021-10-28 09:44:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-28 09:44:30,373 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:30,373 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:30,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:44:30,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:44:30,587 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1362267493, now seen corresponding path program 1 times [2021-10-28 09:44:30,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:30,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250638041] [2021-10-28 09:44:30,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:30,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:30,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:30,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250638041] [2021-10-28 09:44:30,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250638041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:30,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:30,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:30,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156260235] [2021-10-28 09:44:30,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:30,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:30,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:30,686 INFO L87 Difference]: Start difference. First operand 2876 states and 3399 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:31,242 INFO L93 Difference]: Finished difference Result 6735 states and 8088 transitions. [2021-10-28 09:44:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:31,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2021-10-28 09:44:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:31,263 INFO L225 Difference]: With dead ends: 6735 [2021-10-28 09:44:31,264 INFO L226 Difference]: Without dead ends: 3861 [2021-10-28 09:44:31,268 INFO L786 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 [2021-10-28 09:44:31,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-10-28 09:44:31,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3714. [2021-10-28 09:44:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3714 states, 3713 states have (on average 1.2011850255857797) internal successors, (4460), 3713 states have internal predecessors, (4460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3714 states and 4460 transitions. [2021-10-28 09:44:31,360 INFO L78 Accepts]: Start accepts. Automaton has 3714 states and 4460 transitions. Word has length 151 [2021-10-28 09:44:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:31,361 INFO L470 AbstractCegarLoop]: Abstraction has 3714 states and 4460 transitions. [2021-10-28 09:44:31,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3714 states and 4460 transitions. [2021-10-28 09:44:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-28 09:44:31,369 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:31,369 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:31,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:44:31,370 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:31,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:31,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1366211217, now seen corresponding path program 1 times [2021-10-28 09:44:31,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:31,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458227735] [2021-10-28 09:44:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:31,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:44:31,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:31,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458227735] [2021-10-28 09:44:31,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458227735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:31,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:31,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:31,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105489187] [2021-10-28 09:44:31,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:31,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:31,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:31,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:31,427 INFO L87 Difference]: Start difference. First operand 3714 states and 4460 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:31,984 INFO L93 Difference]: Finished difference Result 7573 states and 9010 transitions. [2021-10-28 09:44:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:31,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-10-28 09:44:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:32,006 INFO L225 Difference]: With dead ends: 7573 [2021-10-28 09:44:32,007 INFO L226 Difference]: Without dead ends: 3581 [2021-10-28 09:44:32,012 INFO L786 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 [2021-10-28 09:44:32,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2021-10-28 09:44:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3283. [2021-10-28 09:44:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3282 states have (on average 1.1544789762340038) internal successors, (3789), 3282 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 3789 transitions. [2021-10-28 09:44:32,114 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 3789 transitions. Word has length 155 [2021-10-28 09:44:32,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:32,115 INFO L470 AbstractCegarLoop]: Abstraction has 3283 states and 3789 transitions. [2021-10-28 09:44:32,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:32,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3789 transitions. [2021-10-28 09:44:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-28 09:44:32,124 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:32,124 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:32,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:44:32,125 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1124236830, now seen corresponding path program 1 times [2021-10-28 09:44:32,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:32,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302697718] [2021-10-28 09:44:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:32,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 09:44:32,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:32,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302697718] [2021-10-28 09:44:32,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302697718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:32,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:32,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:32,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172734869] [2021-10-28 09:44:32,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:32,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:32,218 INFO L87 Difference]: Start difference. First operand 3283 states and 3789 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:32,731 INFO L93 Difference]: Finished difference Result 6260 states and 7223 transitions. [2021-10-28 09:44:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:32,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-10-28 09:44:32,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:32,745 INFO L225 Difference]: With dead ends: 6260 [2021-10-28 09:44:32,746 INFO L226 Difference]: Without dead ends: 2279 [2021-10-28 09:44:32,751 INFO L786 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 [2021-10-28 09:44:32,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2021-10-28 09:44:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2139. [2021-10-28 09:44:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.1005612722170253) internal successors, (2353), 2138 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2353 transitions. [2021-10-28 09:44:32,809 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2353 transitions. Word has length 174 [2021-10-28 09:44:32,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:32,811 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2353 transitions. [2021-10-28 09:44:32,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2353 transitions. [2021-10-28 09:44:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-28 09:44:32,818 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:32,818 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:32,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:44:32,819 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:32,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash 232989096, now seen corresponding path program 1 times [2021-10-28 09:44:32,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:32,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143251659] [2021-10-28 09:44:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:32,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-28 09:44:32,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:32,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143251659] [2021-10-28 09:44:32,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143251659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:32,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:32,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:44:32,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895632833] [2021-10-28 09:44:32,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:44:32,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:32,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:44:32,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:44:32,954 INFO L87 Difference]: Start difference. First operand 2139 states and 2353 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:33,935 INFO L93 Difference]: Finished difference Result 4318 states and 4746 transitions. [2021-10-28 09:44:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:44:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 182 [2021-10-28 09:44:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:33,956 INFO L225 Difference]: With dead ends: 4318 [2021-10-28 09:44:33,957 INFO L226 Difference]: Without dead ends: 2181 [2021-10-28 09:44:33,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:44:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2021-10-28 09:44:34,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2139. [2021-10-28 09:44:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 2138 states have (on average 1.0944808231992516) internal successors, (2340), 2138 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2340 transitions. [2021-10-28 09:44:34,048 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2340 transitions. Word has length 182 [2021-10-28 09:44:34,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:34,049 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2340 transitions. [2021-10-28 09:44:34,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2340 transitions. [2021-10-28 09:44:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-10-28 09:44:34,068 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:34,069 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:34,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:44:34,070 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:34,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1432506182, now seen corresponding path program 1 times [2021-10-28 09:44:34,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:34,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920452458] [2021-10-28 09:44:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:34,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-28 09:44:34,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:34,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920452458] [2021-10-28 09:44:34,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920452458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:34,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:34,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:34,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336368511] [2021-10-28 09:44:34,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:34,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:34,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:34,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:34,159 INFO L87 Difference]: Start difference. First operand 2139 states and 2340 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:34,618 INFO L93 Difference]: Finished difference Result 4836 states and 5325 transitions. [2021-10-28 09:44:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:34,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 203 [2021-10-28 09:44:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:34,634 INFO L225 Difference]: With dead ends: 4836 [2021-10-28 09:44:34,635 INFO L226 Difference]: Without dead ends: 2699 [2021-10-28 09:44:34,638 INFO L786 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 [2021-10-28 09:44:34,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2021-10-28 09:44:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2558. [2021-10-28 09:44:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2558 states, 2557 states have (on average 1.0911224090731326) internal successors, (2790), 2557 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 2790 transitions. [2021-10-28 09:44:34,715 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 2790 transitions. Word has length 203 [2021-10-28 09:44:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:34,716 INFO L470 AbstractCegarLoop]: Abstraction has 2558 states and 2790 transitions. [2021-10-28 09:44:34,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2790 transitions. [2021-10-28 09:44:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-28 09:44:34,724 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:44:34,725 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:34,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:44:34,725 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:44:34,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:44:34,726 INFO L85 PathProgramCache]: Analyzing trace with hash 607033053, now seen corresponding path program 1 times [2021-10-28 09:44:34,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:44:34,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261378526] [2021-10-28 09:44:34,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:44:34,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:44:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:44:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-28 09:44:34,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:44:34,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261378526] [2021-10-28 09:44:34,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261378526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:44:34,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:44:34,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:44:34,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150673029] [2021-10-28 09:44:34,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:44:34,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:44:34,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:44:34,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:44:34,829 INFO L87 Difference]: Start difference. First operand 2558 states and 2790 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:35,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:44:35,285 INFO L93 Difference]: Finished difference Result 4399 states and 4773 transitions. [2021-10-28 09:44:35,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:44:35,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2021-10-28 09:44:35,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:44:35,287 INFO L225 Difference]: With dead ends: 4399 [2021-10-28 09:44:35,287 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:44:35,292 INFO L786 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 [2021-10-28 09:44:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:44:35,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:44:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:44:35,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2021-10-28 09:44:35,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:44:35,294 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:44:35,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:44:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:44:35,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:44:35,298 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:44:35,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:44:35,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:44:35,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:44:35,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:44:35,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:44:35,957 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,957 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,957 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,957 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-28 09:44:35,958 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-28 09:44:35,958 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-28 09:44:35,958 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-28 09:44:35,958 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-28 09:44:35,958 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-28 09:44:35,959 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-28 09:44:35,959 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-28 09:44:35,959 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,959 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,959 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,960 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-28 09:44:35,960 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-28 09:44:35,960 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-28 09:44:35,960 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-28 09:44:35,960 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-28 09:44:35,961 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,961 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,961 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,961 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-28 09:44:35,961 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-28 09:44:35,962 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-28 09:44:35,962 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-28 09:44:35,962 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-28 09:44:35,962 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 09:44:35,962 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:44:35,963 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-28 09:44:35,963 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-28 09:44:35,963 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-28 09:44:35,963 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,963 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,964 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,964 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-28 09:44:35,964 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-28 09:44:35,964 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-28 09:44:35,964 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-28 09:44:35,965 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-28 09:44:35,965 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-28 09:44:35,965 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-28 09:44:35,965 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,965 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-28 09:44:35,966 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:44:35,967 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-28 09:44:35,967 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-28 09:44:35,967 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,967 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,967 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,968 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-28 09:44:35,968 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-28 09:44:35,968 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-28 09:44:35,968 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-28 09:44:35,968 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-28 09:44:35,969 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,969 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,969 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,969 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-28 09:44:35,969 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-28 09:44:35,970 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-28 09:44:35,970 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-28 09:44:35,970 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-28 09:44:35,970 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-28 09:44:35,970 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-28 09:44:35,971 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:44:35,972 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-28 09:44:35,972 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-28 09:44:35,972 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 09:44:35,972 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-28 09:44:35,972 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-28 09:44:35,973 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-28 09:44:35,973 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-28 09:44:35,973 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,973 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,973 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,974 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:44:35,974 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:44:35,974 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-28 09:44:35,974 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-28 09:44:35,974 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,975 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,976 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,976 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-28 09:44:35,976 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-28 09:44:35,976 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-28 09:44:35,976 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-28 09:44:35,977 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-28 09:44:35,977 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-28 09:44:35,977 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:44:35,977 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 527) no Hoare annotation was computed. [2021-10-28 09:44:35,977 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,978 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,978 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,978 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-28 09:44:35,978 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-28 09:44:35,978 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-28 09:44:35,979 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-28 09:44:35,979 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-28 09:44:35,979 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-28 09:44:35,979 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-28 09:44:35,979 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-28 09:44:35,980 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-28 09:44:35,981 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-28 09:44:35,981 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-28 09:44:35,981 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,981 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,981 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,982 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-28 09:44:35,982 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-28 09:44:35,982 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-28 09:44:35,982 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-28 09:44:35,982 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-28 09:44:35,983 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-28 09:44:35,984 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,984 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,984 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-28 09:44:35,984 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-28 09:44:35,984 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-28 09:44:35,985 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-28 09:44:35,986 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse9 (<= ~a19~0 0)) (.cse3 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 0)) (.cse6 (<= ~a28~0 10)) (.cse5 (<= ~a25~0 0)) (.cse7 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse8 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse10 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse2 (or (and .cse3 .cse4 .cse5) (and .cse3 .cse0 .cse4 .cse6))) (and .cse7 .cse4 .cse8 .cse2 .cse5) (and .cse4 .cse6 .cse5 .cse9) (and .cse4 .cse10 .cse9) (and .cse0 .cse4 .cse2 .cse10) (and .cse7 .cse0 .cse4 .cse8 .cse6 .cse2) (and .cse7 .cse8 .cse1 .cse2 .cse10 .cse5) (and .cse1 .cse10 .cse9) (and .cse0 .cse4 .cse6 .cse9) (and .cse1 .cse5 .cse9) (and .cse3 .cse0 .cse1 .cse6 .cse9) (and .cse7 .cse3 .cse8 .cse1 .cse6 .cse2 .cse5) (and .cse7 .cse0 .cse8 .cse2 .cse10))) [2021-10-28 09:44:35,986 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,986 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:44:35,987 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-28 09:44:35,988 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-28 09:44:35,988 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,988 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,988 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-28 09:44:35,988 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:44:35,989 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-28 09:44:35,990 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-28 09:44:35,990 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,990 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,990 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:44:35,990 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-28 09:44:35,991 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-28 09:44:35,991 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-28 09:44:35,991 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:44:35,991 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-28 09:44:35,991 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-28 09:44:35,992 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse9 (<= ~a19~0 0)) (.cse3 (<= 9 ~a28~0)) (.cse1 (= ~a11~0 0)) (.cse6 (<= ~a28~0 10)) (.cse5 (<= ~a25~0 0)) (.cse7 (= ~a17~0 8)) (.cse0 (= ~a25~0 1)) (.cse8 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse10 (<= ~a28~0 7))) (or (and .cse0 .cse1 .cse2) (and .cse2 (or (and .cse3 .cse4 .cse5) (and .cse3 .cse0 .cse4 .cse6))) (and .cse7 .cse4 .cse8 .cse2 .cse5) (and .cse4 .cse6 .cse5 .cse9) (and .cse4 .cse10 .cse9) (and .cse0 .cse4 .cse2 .cse10) (and .cse7 .cse0 .cse4 .cse8 .cse6 .cse2) (and .cse7 .cse8 .cse1 .cse2 .cse10 .cse5) (and .cse1 .cse10 .cse9) (and .cse0 .cse4 .cse6 .cse9) (and .cse1 .cse5 .cse9) (and .cse3 .cse0 .cse1 .cse6 .cse9) (and .cse7 .cse3 .cse8 .cse1 .cse6 .cse2 .cse5) (and .cse7 .cse0 .cse8 .cse2 .cse10))) [2021-10-28 09:44:35,992 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,992 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,992 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-28 09:44:35,992 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,993 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-28 09:44:35,994 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-28 09:44:35,995 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:44:35,995 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 09:44:35,995 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,995 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,995 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-28 09:44:35,996 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-28 09:44:35,997 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-28 09:44:35,997 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-28 09:44:35,997 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,997 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,997 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-28 09:44:35,998 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,999 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,999 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-28 09:44:35,999 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-28 09:44:35,999 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-28 09:44:35,999 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-28 09:44:36,000 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-28 09:44:36,000 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-28 09:44:36,000 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-28 09:44:36,004 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:44:36,005 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:44:36,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:44:36 BoogieIcfgContainer [2021-10-28 09:44:36,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:44:36,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:44:36,036 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:44:36,036 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:44:36,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:44:24" (3/4) ... [2021-10-28 09:44:36,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:44:36,064 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:44:36,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:44:36,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:44:36,069 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:44:36,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:44:36,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:44:36,202 INFO L168 Benchmark]: Toolchain (without parser) took 13642.77 ms. Allocated memory was 88.1 MB in the beginning and 218.1 MB in the end (delta: 130.0 MB). Free memory was 66.5 MB in the beginning and 89.6 MB in the end (delta: -23.1 MB). Peak memory consumption was 106.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,202 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:44:36,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.55 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 47.7 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.06 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 42.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,204 INFO L168 Benchmark]: Boogie Preprocessor took 67.30 ms. Allocated memory is still 88.1 MB. Free memory was 42.0 MB in the beginning and 38.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,204 INFO L168 Benchmark]: RCFGBuilder took 1443.15 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 67.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,205 INFO L168 Benchmark]: TraceAbstraction took 11260.14 ms. Allocated memory was 107.0 MB in the beginning and 218.1 MB in the end (delta: 111.1 MB). Free memory was 67.4 MB in the beginning and 104.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,205 INFO L168 Benchmark]: Witness Printer took 160.75 ms. Allocated memory is still 218.1 MB. Free memory was 104.3 MB in the beginning and 89.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:44:36,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 595.55 ms. Allocated memory is still 88.1 MB. Free memory was 66.2 MB in the beginning and 47.7 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.06 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 42.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.30 ms. Allocated memory is still 88.1 MB. Free memory was 42.0 MB in the beginning and 38.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1443.15 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 37.8 MB in the beginning and 67.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11260.14 ms. Allocated memory was 107.0 MB in the beginning and 218.1 MB in the end (delta: 111.1 MB). Free memory was 67.4 MB in the beginning and 104.3 MB in the end (delta: -36.9 MB). Peak memory consumption was 75.6 MB. Max. memory is 16.1 GB. * Witness Printer took 160.75 ms. Allocated memory is still 218.1 MB. Free memory was 104.3 MB in the beginning and 89.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 527]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1423 SDtfs, 1760 SDslu, 253 SDs, 0 SdLazy, 4805 SolverSat, 849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3714occurred in iteration=6, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1061 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 433 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1048 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1881 NumberOfCodeBlocks, 1881 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1869 ConstructedInterpolants, 0 QuantifiedInterpolants, 6412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 285 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 788/804 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((((a25 == 1 && a11 == 0) && a19 == 1) || (a19 == 1 && (((9 <= a28 && a11 == 1) && a25 <= 0) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)))) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a19 == 1) && a28 <= 7)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || ((((9 <= a28 && a25 == 1) && a11 == 0) && a28 <= 10) && a19 <= 0)) || ((((((a17 == 8 && 9 <= a28) && a21 == 1) && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((((a25 == 1 && a11 == 0) && a19 == 1) || (a19 == 1 && (((9 <= a28 && a11 == 1) && a25 <= 0) || (((9 <= a28 && a25 == 1) && a11 == 1) && a28 <= 10)))) || ((((a17 == 8 && a11 == 1) && a21 == 1) && a19 == 1) && a25 <= 0)) || (((a11 == 1 && a28 <= 10) && a25 <= 0) && a19 <= 0)) || ((a11 == 1 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a19 == 1) && a28 <= 7)) || (((((a17 == 8 && a25 == 1) && a11 == 1) && a21 == 1) && a28 <= 10) && a19 == 1)) || (((((a17 == 8 && a21 == 1) && a11 == 0) && a19 == 1) && a28 <= 7) && a25 <= 0)) || ((a11 == 0 && a28 <= 7) && a19 <= 0)) || (((a25 == 1 && a11 == 1) && a28 <= 10) && a19 <= 0)) || ((a11 == 0 && a25 <= 0) && a19 <= 0)) || ((((9 <= a28 && a25 == 1) && a11 == 0) && a28 <= 10) && a19 <= 0)) || ((((((a17 == 8 && 9 <= a28) && a21 == 1) && a11 == 0) && a28 <= 10) && a19 == 1) && a25 <= 0)) || ((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) && a28 <= 7) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:44:36,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c76442-95ce-4337-bb10-e2f4d2d09e02/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...