./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label55.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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/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 3ed93fbea5c4ce7662a30833852408f6a41bed2c847c0002d827dceaca299880 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:40:22,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:40:22,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:40:22,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:40:22,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:40:22,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:40:22,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:40:22,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:40:22,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:40:22,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:40:22,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:40:22,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:40:22,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:40:22,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:40:22,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:40:22,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:40:22,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:40:22,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:40:22,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:40:22,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:40:22,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:40:22,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:40:22,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:40:22,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:40:22,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:40:22,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:40:22,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:40:22,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:40:22,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:40:22,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:40:22,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:40:22,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:40:22,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:40:22,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:40:22,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:40:22,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:40:22,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:40:22,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:40:22,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:40:22,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:40:22,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:40:22,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:40:22,404 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:40:22,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:40:22,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:40:22,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:40:22,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:40:22,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:40:22,407 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:40:22,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:40:22,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:40:22,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:40:22,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:40:22,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:40:22,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:40:22,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:40:22,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:40:22,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:40:22,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:40:22,410 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:40:22,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:40:22,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:40:22,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:40:22,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:40:22,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:40:22,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:40:22,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:40:22,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:40:22,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:40:22,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:40:22,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:40:22,414 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:40:22,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:40:22,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:40:22,414 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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ed93fbea5c4ce7662a30833852408f6a41bed2c847c0002d827dceaca299880 [2021-10-28 09:40:22,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:40:22,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:40:22,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:40:22,824 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:40:22,825 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:40:22,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2021-10-28 09:40:22,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/data/28d51aa6c/fb63952630ef4dab8262ff65cf4680cb/FLAGeccdba64e [2021-10-28 09:40:23,732 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:40:23,733 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/sv-benchmarks/c/eca-rers2012/Problem11_label55.c [2021-10-28 09:40:23,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/data/28d51aa6c/fb63952630ef4dab8262ff65cf4680cb/FLAGeccdba64e [2021-10-28 09:40:23,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/data/28d51aa6c/fb63952630ef4dab8262ff65cf4680cb [2021-10-28 09:40:23,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:40:23,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:40:23,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:40:23,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:40:23,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:40:23,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:40:23" (1/1) ... [2021-10-28 09:40:23,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30acbf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:23, skipping insertion in model container [2021-10-28 09:40:23,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:40:23" (1/1) ... [2021-10-28 09:40:23,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:40:24,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:40:24,344 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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/sv-benchmarks/c/eca-rers2012/Problem11_label55.c[6546,6559] [2021-10-28 09:40:24,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:40:24,771 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:40:24,803 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_e1088f46-99f2-48e3-9e08-697f6d9bd67a/sv-benchmarks/c/eca-rers2012/Problem11_label55.c[6546,6559] [2021-10-28 09:40:24,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:40:24,969 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:40:24,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24 WrapperNode [2021-10-28 09:40:24,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:40:24,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:40:24,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:40:24,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:40:24,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:40:25,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:40:25,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:40:25,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:40:25,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:40:25,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:40:25,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:40:25,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:40:25,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (1/1) ... [2021-10-28 09:40:25,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:40:25,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:25,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:40:25,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:40:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:40:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:40:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:40:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:40:27,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:40:27,818 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:40:27,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:27 BoogieIcfgContainer [2021-10-28 09:40:27,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:40:27,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:40:27,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:40:27,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:40:27,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:40:23" (1/3) ... [2021-10-28 09:40:27,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ced006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:40:27, skipping insertion in model container [2021-10-28 09:40:27,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:40:24" (2/3) ... [2021-10-28 09:40:27,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ced006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:40:27, skipping insertion in model container [2021-10-28 09:40:27,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:27" (3/3) ... [2021-10-28 09:40:27,837 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label55.c [2021-10-28 09:40:27,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:40:27,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:40:27,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:40:27,931 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 09:40:27,931 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:40:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-28 09:40:27,987 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:27,988 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] [2021-10-28 09:40:27,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:27,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2021-10-28 09:40:28,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:28,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86330275] [2021-10-28 09:40:28,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:28,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:28,381 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 09:40:28,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:28,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86330275] [2021-10-28 09:40:28,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86330275] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:28,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:28,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:28,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029385523] [2021-10-28 09:40:28,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:28,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:28,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:28,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:28,429 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 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 09:40:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:29,909 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-28 09:40:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2021-10-28 09:40:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:29,929 INFO L225 Difference]: With dead ends: 776 [2021-10-28 09:40:29,929 INFO L226 Difference]: Without dead ends: 413 [2021-10-28 09:40:29,935 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 09:40:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-28 09:40:30,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-28 09:40:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 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 09:40:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-28 09:40:30,016 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 45 [2021-10-28 09:40:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:30,017 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-28 09:40:30,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 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 09:40:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-28 09:40:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-28 09:40:30,024 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:30,025 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:30,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:40:30,026 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:30,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash -954308976, now seen corresponding path program 1 times [2021-10-28 09:40:30,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:30,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526542696] [2021-10-28 09:40:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:30,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:30,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:30,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526542696] [2021-10-28 09:40:30,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526542696] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:30,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:30,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:30,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073121964] [2021-10-28 09:40:30,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:30,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:30,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:30,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:30,254 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 09:40:31,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:31,360 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-28 09:40:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:31,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2021-10-28 09:40:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:31,367 INFO L225 Difference]: With dead ends: 1209 [2021-10-28 09:40:31,368 INFO L226 Difference]: Without dead ends: 800 [2021-10-28 09:40:31,377 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 09:40:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-28 09:40:31,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-28 09:40:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 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 09:40:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-10-28 09:40:31,462 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 113 [2021-10-28 09:40:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:31,463 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-10-28 09:40:31,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 09:40:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-10-28 09:40:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-28 09:40:31,469 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:31,470 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, 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] [2021-10-28 09:40:31,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:40:31,470 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash 975979568, now seen corresponding path program 1 times [2021-10-28 09:40:31,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:31,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085512672] [2021-10-28 09:40:31,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:31,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:31,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:31,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085512672] [2021-10-28 09:40:31,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085512672] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:31,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:31,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:31,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439363642] [2021-10-28 09:40:31,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:31,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:31,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:31,669 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 09:40:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:32,635 INFO L93 Difference]: Finished difference Result 1942 states and 2631 transitions. [2021-10-28 09:40:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:32,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-10-28 09:40:32,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:32,643 INFO L225 Difference]: With dead ends: 1942 [2021-10-28 09:40:32,643 INFO L226 Difference]: Without dead ends: 1157 [2021-10-28 09:40:32,645 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 09:40:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-28 09:40:32,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-10-28 09:40:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 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 09:40:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-10-28 09:40:32,677 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 114 [2021-10-28 09:40:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:32,678 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-10-28 09:40:32,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 09:40:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-10-28 09:40:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-10-28 09:40:32,688 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:32,688 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, 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] [2021-10-28 09:40:32,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:40:32,689 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:32,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:32,693 INFO L85 PathProgramCache]: Analyzing trace with hash -103496756, now seen corresponding path program 1 times [2021-10-28 09:40:32,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:32,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277562329] [2021-10-28 09:40:32,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:32,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-10-28 09:40:32,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:32,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277562329] [2021-10-28 09:40:32,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277562329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:32,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:32,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:32,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733783913] [2021-10-28 09:40:32,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:32,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:32,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:32,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:32,950 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:34,069 INFO L93 Difference]: Finished difference Result 2502 states and 3339 transitions. [2021-10-28 09:40:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:34,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2021-10-28 09:40:34,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:34,083 INFO L225 Difference]: With dead ends: 2502 [2021-10-28 09:40:34,084 INFO L226 Difference]: Without dead ends: 1532 [2021-10-28 09:40:34,088 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 09:40:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2021-10-28 09:40:34,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2021-10-28 09:40:34,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2619203135205748) internal successors, (1932), 1531 states have internal predecessors, (1932), 0 states have call successors, (0), 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 09:40:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1932 transitions. [2021-10-28 09:40:34,140 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1932 transitions. Word has length 157 [2021-10-28 09:40:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:34,142 INFO L470 AbstractCegarLoop]: Abstraction has 1532 states and 1932 transitions. [2021-10-28 09:40:34,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:34,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1932 transitions. [2021-10-28 09:40:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-10-28 09:40:34,145 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:34,146 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, 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] [2021-10-28 09:40:34,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:40:34,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:34,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:34,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1015853899, now seen corresponding path program 1 times [2021-10-28 09:40:34,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:34,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025337822] [2021-10-28 09:40:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:34,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:34,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:34,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025337822] [2021-10-28 09:40:34,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025337822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:34,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:34,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:34,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334834626] [2021-10-28 09:40:34,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:34,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:34,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:34,337 INFO L87 Difference]: Start difference. First operand 1532 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 09:40:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:35,388 INFO L93 Difference]: Finished difference Result 3644 states and 4738 transitions. [2021-10-28 09:40:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:35,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2021-10-28 09:40:35,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:35,406 INFO L225 Difference]: With dead ends: 3644 [2021-10-28 09:40:35,407 INFO L226 Difference]: Without dead ends: 2298 [2021-10-28 09:40:35,409 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 09:40:35,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-10-28 09:40:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2021-10-28 09:40:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2654751525719268) internal successors, (2903), 2294 states have internal predecessors, (2903), 0 states have call successors, (0), 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 09:40:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2903 transitions. [2021-10-28 09:40:35,480 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2903 transitions. Word has length 172 [2021-10-28 09:40:35,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:35,481 INFO L470 AbstractCegarLoop]: Abstraction has 2295 states and 2903 transitions. [2021-10-28 09:40:35,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 09:40:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2903 transitions. [2021-10-28 09:40:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-10-28 09:40:35,486 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:35,487 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2021-10-28 09:40:35,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:40:35,487 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:35,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:35,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1543850387, now seen corresponding path program 1 times [2021-10-28 09:40:35,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:35,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133188883] [2021-10-28 09:40:35,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:35,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:35,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:35,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133188883] [2021-10-28 09:40:35,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133188883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:35,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:35,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:35,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847759494] [2021-10-28 09:40:35,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:35,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:35,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:35,630 INFO L87 Difference]: Start difference. First operand 2295 states and 2903 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:36,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:36,701 INFO L93 Difference]: Finished difference Result 5528 states and 7095 transitions. [2021-10-28 09:40:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:36,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2021-10-28 09:40:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:36,727 INFO L225 Difference]: With dead ends: 5528 [2021-10-28 09:40:36,728 INFO L226 Difference]: Without dead ends: 3419 [2021-10-28 09:40:36,732 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 09:40:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2021-10-28 09:40:36,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3218. [2021-10-28 09:40:36,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3217 states have (on average 1.2377991917935964) internal successors, (3982), 3217 states have internal predecessors, (3982), 0 states have call successors, (0), 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 09:40:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 3982 transitions. [2021-10-28 09:40:36,827 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 3982 transitions. Word has length 225 [2021-10-28 09:40:36,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:36,827 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 3982 transitions. [2021-10-28 09:40:36,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 3982 transitions. [2021-10-28 09:40:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-28 09:40:36,832 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:36,832 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-10-28 09:40:36,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:40:36,833 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:36,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:36,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1109508493, now seen corresponding path program 1 times [2021-10-28 09:40:36,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:36,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132622523] [2021-10-28 09:40:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:36,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-28 09:40:37,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:37,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132622523] [2021-10-28 09:40:37,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132622523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:37,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:37,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:37,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632772271] [2021-10-28 09:40:37,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:37,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:37,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:37,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:37,031 INFO L87 Difference]: Start difference. First operand 3218 states and 3982 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:40:38,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:38,109 INFO L93 Difference]: Finished difference Result 7371 states and 9143 transitions. [2021-10-28 09:40:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:38,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:40:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:38,141 INFO L225 Difference]: With dead ends: 7371 [2021-10-28 09:40:38,141 INFO L226 Difference]: Without dead ends: 4155 [2021-10-28 09:40:38,147 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 09:40:38,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2021-10-28 09:40:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 4138. [2021-10-28 09:40:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 4137 states have (on average 1.2211747643219724) internal successors, (5052), 4137 states have internal predecessors, (5052), 0 states have call successors, (0), 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 09:40:38,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5052 transitions. [2021-10-28 09:40:38,266 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5052 transitions. Word has length 226 [2021-10-28 09:40:38,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:38,267 INFO L470 AbstractCegarLoop]: Abstraction has 4138 states and 5052 transitions. [2021-10-28 09:40:38,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:40:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5052 transitions. [2021-10-28 09:40:38,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-10-28 09:40:38,273 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:38,274 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-10-28 09:40:38,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:40:38,274 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:38,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:38,275 INFO L85 PathProgramCache]: Analyzing trace with hash 616043864, now seen corresponding path program 1 times [2021-10-28 09:40:38,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:38,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239977893] [2021-10-28 09:40:38,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:38,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 09:40:38,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:38,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239977893] [2021-10-28 09:40:38,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239977893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:38,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:38,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:38,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903720667] [2021-10-28 09:40:38,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:38,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:38,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:38,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:38,468 INFO L87 Difference]: Start difference. First operand 4138 states and 5052 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:40:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:39,491 INFO L93 Difference]: Finished difference Result 9207 states and 11353 transitions. [2021-10-28 09:40:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:39,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 227 [2021-10-28 09:40:39,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:39,528 INFO L225 Difference]: With dead ends: 9207 [2021-10-28 09:40:39,528 INFO L226 Difference]: Without dead ends: 5071 [2021-10-28 09:40:39,534 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 09:40:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2021-10-28 09:40:39,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4874. [2021-10-28 09:40:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4874 states, 4873 states have (on average 1.2087010055407346) internal successors, (5890), 4873 states have internal predecessors, (5890), 0 states have call successors, (0), 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 09:40:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5890 transitions. [2021-10-28 09:40:39,661 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5890 transitions. Word has length 227 [2021-10-28 09:40:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:39,662 INFO L470 AbstractCegarLoop]: Abstraction has 4874 states and 5890 transitions. [2021-10-28 09:40:39,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 09:40:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5890 transitions. [2021-10-28 09:40:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-10-28 09:40:39,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:39,668 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:39,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:40:39,668 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash 213296906, now seen corresponding path program 1 times [2021-10-28 09:40:39,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:39,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911288863] [2021-10-28 09:40:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:39,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:39,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:39,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911288863] [2021-10-28 09:40:39,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911288863] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:39,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:39,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:40:39,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963203769] [2021-10-28 09:40:39,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:40:39,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:39,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:40:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:39,879 INFO L87 Difference]: Start difference. First operand 4874 states and 5890 transitions. Second operand has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 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 09:40:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:41,790 INFO L93 Difference]: Finished difference Result 15870 states and 19335 transitions. [2021-10-28 09:40:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:40:41,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 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 247 [2021-10-28 09:40:41,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:41,853 INFO L225 Difference]: With dead ends: 15870 [2021-10-28 09:40:41,854 INFO L226 Difference]: Without dead ends: 10998 [2021-10-28 09:40:41,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2021-10-28 09:40:42,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 8953. [2021-10-28 09:40:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8952 states have (on average 1.1907953529937445) internal successors, (10660), 8952 states have internal predecessors, (10660), 0 states have call successors, (0), 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 09:40:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 10660 transitions. [2021-10-28 09:40:42,119 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 10660 transitions. Word has length 247 [2021-10-28 09:40:42,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:42,120 INFO L470 AbstractCegarLoop]: Abstraction has 8953 states and 10660 transitions. [2021-10-28 09:40:42,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 0 states have call successors, (0), 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 09:40:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 10660 transitions. [2021-10-28 09:40:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-10-28 09:40:42,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:42,130 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:40:42,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:40:42,131 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:42,132 INFO L85 PathProgramCache]: Analyzing trace with hash 389049443, now seen corresponding path program 1 times [2021-10-28 09:40:42,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:42,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691329194] [2021-10-28 09:40:42,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:42,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:42,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:42,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691329194] [2021-10-28 09:40:42,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691329194] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:42,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:42,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:40:42,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610617154] [2021-10-28 09:40:42,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:40:42,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:42,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:40:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:42,281 INFO L87 Difference]: Start difference. First operand 8953 states and 10660 transitions. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 09:40:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:44,225 INFO L93 Difference]: Finished difference Result 22713 states and 27383 transitions. [2021-10-28 09:40:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:40:44,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 257 [2021-10-28 09:40:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:44,264 INFO L225 Difference]: With dead ends: 22713 [2021-10-28 09:40:44,264 INFO L226 Difference]: Without dead ends: 13762 [2021-10-28 09:40:44,280 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13762 states. [2021-10-28 09:40:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13762 to 13378. [2021-10-28 09:40:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13378 states, 13377 states have (on average 1.1920460491889064) internal successors, (15946), 13377 states have internal predecessors, (15946), 0 states have call successors, (0), 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 09:40:44,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13378 states to 13378 states and 15946 transitions. [2021-10-28 09:40:44,630 INFO L78 Accepts]: Start accepts. Automaton has 13378 states and 15946 transitions. Word has length 257 [2021-10-28 09:40:44,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:44,631 INFO L470 AbstractCegarLoop]: Abstraction has 13378 states and 15946 transitions. [2021-10-28 09:40:44,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 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 09:40:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 13378 states and 15946 transitions. [2021-10-28 09:40:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-10-28 09:40:44,640 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:44,641 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:40:44,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:40:44,642 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:44,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1785532527, now seen corresponding path program 1 times [2021-10-28 09:40:44,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:44,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980131342] [2021-10-28 09:40:44,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:44,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 23 proven. 62 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-28 09:40:44,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:44,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980131342] [2021-10-28 09:40:44,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980131342] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:44,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042606523] [2021-10-28 09:40:44,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:44,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:44,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:44,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:40:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:45,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:40:45,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-28 09:40:45,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042606523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:45,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:40:45,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:40:45,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873302557] [2021-10-28 09:40:45,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:45,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:40:45,967 INFO L87 Difference]: Start difference. First operand 13378 states and 15946 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 09:40:47,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:47,293 INFO L93 Difference]: Finished difference Result 32089 states and 38433 transitions. [2021-10-28 09:40:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:47,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 259 [2021-10-28 09:40:47,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:47,333 INFO L225 Difference]: With dead ends: 32089 [2021-10-28 09:40:47,333 INFO L226 Difference]: Without dead ends: 18713 [2021-10-28 09:40:47,349 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:40:47,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18713 states. [2021-10-28 09:40:47,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18713 to 17789. [2021-10-28 09:40:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17789 states, 17788 states have (on average 1.1721385203507984) internal successors, (20850), 17788 states have internal predecessors, (20850), 0 states have call successors, (0), 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 09:40:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17789 states to 17789 states and 20850 transitions. [2021-10-28 09:40:47,802 INFO L78 Accepts]: Start accepts. Automaton has 17789 states and 20850 transitions. Word has length 259 [2021-10-28 09:40:47,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:47,803 INFO L470 AbstractCegarLoop]: Abstraction has 17789 states and 20850 transitions. [2021-10-28 09:40:47,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 09:40:47,804 INFO L276 IsEmpty]: Start isEmpty. Operand 17789 states and 20850 transitions. [2021-10-28 09:40:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-10-28 09:40:47,814 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:47,814 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:47,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:48,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 09:40:48,030 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:48,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash -909161094, now seen corresponding path program 1 times [2021-10-28 09:40:48,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:48,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741666227] [2021-10-28 09:40:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:48,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-28 09:40:48,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:48,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741666227] [2021-10-28 09:40:48,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741666227] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:48,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:48,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:48,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799566132] [2021-10-28 09:40:48,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:48,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:48,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:48,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:48,214 INFO L87 Difference]: Start difference. First operand 17789 states and 20850 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 09:40:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:49,694 INFO L93 Difference]: Finished difference Result 35586 states and 41718 transitions. [2021-10-28 09:40:49,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:49,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 264 [2021-10-28 09:40:49,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:49,736 INFO L225 Difference]: With dead ends: 35586 [2021-10-28 09:40:49,737 INFO L226 Difference]: Without dead ends: 17799 [2021-10-28 09:40:49,759 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 09:40:49,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17799 states. [2021-10-28 09:40:50,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17799 to 17788. [2021-10-28 09:40:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1440377804014168) internal successors, (20349), 17787 states have internal predecessors, (20349), 0 states have call successors, (0), 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 09:40:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20349 transitions. [2021-10-28 09:40:50,179 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20349 transitions. Word has length 264 [2021-10-28 09:40:50,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:50,180 INFO L470 AbstractCegarLoop]: Abstraction has 17788 states and 20349 transitions. [2021-10-28 09:40:50,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 09:40:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20349 transitions. [2021-10-28 09:40:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-10-28 09:40:50,190 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:50,191 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:40:50,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:40:50,192 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1936772335, now seen corresponding path program 1 times [2021-10-28 09:40:50,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:50,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661543370] [2021-10-28 09:40:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:50,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 141 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:50,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:50,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661543370] [2021-10-28 09:40:50,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661543370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:50,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882542799] [2021-10-28 09:40:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:50,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:50,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:50,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:40:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:50,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:40:50,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:40:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:40:52,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882542799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:52,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:40:52,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:40:52,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308795045] [2021-10-28 09:40:52,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:40:52,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:52,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:40:52,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:40:52,435 INFO L87 Difference]: Start difference. First operand 17788 states and 20349 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:53,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:53,764 INFO L93 Difference]: Finished difference Result 35578 states and 40702 transitions. [2021-10-28 09:40:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:40:53,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2021-10-28 09:40:53,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:53,810 INFO L225 Difference]: With dead ends: 35578 [2021-10-28 09:40:53,810 INFO L226 Difference]: Without dead ends: 17792 [2021-10-28 09:40:53,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:40:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2021-10-28 09:40:54,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 17788. [2021-10-28 09:40:54,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17788 states, 17787 states have (on average 1.1430258053634677) internal successors, (20331), 17787 states have internal predecessors, (20331), 0 states have call successors, (0), 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 09:40:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17788 states to 17788 states and 20331 transitions. [2021-10-28 09:40:54,190 INFO L78 Accepts]: Start accepts. Automaton has 17788 states and 20331 transitions. Word has length 278 [2021-10-28 09:40:54,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:54,191 INFO L470 AbstractCegarLoop]: Abstraction has 17788 states and 20331 transitions. [2021-10-28 09:40:54,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:40:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17788 states and 20331 transitions. [2021-10-28 09:40:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-10-28 09:40:54,206 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:54,206 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:40:54,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:40:54,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 09:40:54,421 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:54,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1415119139, now seen corresponding path program 1 times [2021-10-28 09:40:54,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:54,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906301685] [2021-10-28 09:40:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:54,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-10-28 09:40:54,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:54,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906301685] [2021-10-28 09:40:54,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906301685] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:54,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:54,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:40:54,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524391487] [2021-10-28 09:40:54,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:54,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:54,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:54,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:54,590 INFO L87 Difference]: Start difference. First operand 17788 states and 20331 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 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 09:40:55,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:55,460 INFO L93 Difference]: Finished difference Result 33137 states and 37923 transitions. [2021-10-28 09:40:55,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:55,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 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 304 [2021-10-28 09:40:55,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:55,497 INFO L225 Difference]: With dead ends: 33137 [2021-10-28 09:40:55,497 INFO L226 Difference]: Without dead ends: 15351 [2021-10-28 09:40:55,509 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 09:40:55,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15351 states. [2021-10-28 09:40:55,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15351 to 10741. [2021-10-28 09:40:55,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10741 states, 10740 states have (on average 1.116294227188082) internal successors, (11989), 10740 states have internal predecessors, (11989), 0 states have call successors, (0), 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 09:40:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10741 states to 10741 states and 11989 transitions. [2021-10-28 09:40:55,794 INFO L78 Accepts]: Start accepts. Automaton has 10741 states and 11989 transitions. Word has length 304 [2021-10-28 09:40:55,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:55,795 INFO L470 AbstractCegarLoop]: Abstraction has 10741 states and 11989 transitions. [2021-10-28 09:40:55,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 2 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 09:40:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10741 states and 11989 transitions. [2021-10-28 09:40:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-10-28 09:40:55,804 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:55,805 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:40:55,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:40:55,805 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:55,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:55,806 INFO L85 PathProgramCache]: Analyzing trace with hash 63979177, now seen corresponding path program 1 times [2021-10-28 09:40:55,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:55,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461688572] [2021-10-28 09:40:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:55,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-10-28 09:40:55,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:55,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461688572] [2021-10-28 09:40:55,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461688572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:55,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:55,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:40:55,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025915788] [2021-10-28 09:40:55,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:40:55,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:55,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:40:55,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:40:55,967 INFO L87 Difference]: Start difference. First operand 10741 states and 11989 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 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 09:40:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:56,898 INFO L93 Difference]: Finished difference Result 23503 states and 26240 transitions. [2021-10-28 09:40:56,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:40:56,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 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 312 [2021-10-28 09:40:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:56,920 INFO L225 Difference]: With dead ends: 23503 [2021-10-28 09:40:56,921 INFO L226 Difference]: Without dead ends: 12764 [2021-10-28 09:40:56,928 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 09:40:56,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2021-10-28 09:40:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10924. [2021-10-28 09:40:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 10923 states have (on average 1.1170008239494644) internal successors, (12201), 10923 states have internal predecessors, (12201), 0 states have call successors, (0), 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 09:40:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 12201 transitions. [2021-10-28 09:40:57,117 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 12201 transitions. Word has length 312 [2021-10-28 09:40:57,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:57,118 INFO L470 AbstractCegarLoop]: Abstraction has 10924 states and 12201 transitions. [2021-10-28 09:40:57,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 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 09:40:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 12201 transitions. [2021-10-28 09:40:57,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-10-28 09:40:57,128 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:57,129 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 09:40:57,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 09:40:57,129 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1564114315, now seen corresponding path program 1 times [2021-10-28 09:40:57,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:57,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710274659] [2021-10-28 09:40:57,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:57,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-28 09:40:57,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:57,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710274659] [2021-10-28 09:40:57,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710274659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:40:57,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:40:57,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:40:57,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154026731] [2021-10-28 09:40:57,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:40:57,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:40:57,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:40:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:57,316 INFO L87 Difference]: Start difference. First operand 10924 states and 12201 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:40:58,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:40:58,964 INFO L93 Difference]: Finished difference Result 27404 states and 30590 transitions. [2021-10-28 09:40:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:40:58,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 0 states have call successors, (0), 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 316 [2021-10-28 09:40:58,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:40:58,995 INFO L225 Difference]: With dead ends: 27404 [2021-10-28 09:40:58,996 INFO L226 Difference]: Without dead ends: 15741 [2021-10-28 09:40:59,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:40:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15741 states. [2021-10-28 09:40:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15741 to 12413. [2021-10-28 09:40:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.117386400257815) internal successors, (13869), 12412 states have internal predecessors, (13869), 0 states have call successors, (0), 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 09:40:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13869 transitions. [2021-10-28 09:40:59,293 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13869 transitions. Word has length 316 [2021-10-28 09:40:59,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:40:59,294 INFO L470 AbstractCegarLoop]: Abstraction has 12413 states and 13869 transitions. [2021-10-28 09:40:59,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:40:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13869 transitions. [2021-10-28 09:40:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-10-28 09:40:59,307 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:40:59,308 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:40:59,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:40:59,308 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:40:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:40:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1085023565, now seen corresponding path program 1 times [2021-10-28 09:40:59,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:40:59,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893685890] [2021-10-28 09:40:59,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:59,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:40:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:40:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 174 proven. 128 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-28 09:40:59,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:40:59,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893685890] [2021-10-28 09:40:59,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893685890] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:40:59,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806889934] [2021-10-28 09:40:59,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:40:59,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:40:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:40:59,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:40:59,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 09:41:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:00,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:41:00,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:41:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-10-28 09:41:01,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806889934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:01,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:41:01,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 09:41:01,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020814432] [2021-10-28 09:41:01,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:01,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:41:01,452 INFO L87 Difference]: Start difference. First operand 12413 states and 13869 transitions. Second operand has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:41:02,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:02,546 INFO L93 Difference]: Finished difference Result 25010 states and 27928 transitions. [2021-10-28 09:41:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:02,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 332 [2021-10-28 09:41:02,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:02,567 INFO L225 Difference]: With dead ends: 25010 [2021-10-28 09:41:02,567 INFO L226 Difference]: Without dead ends: 12599 [2021-10-28 09:41:02,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:41:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12599 states. [2021-10-28 09:41:02,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12599 to 12413. [2021-10-28 09:41:02,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.116419593941347) internal successors, (13857), 12412 states have internal predecessors, (13857), 0 states have call successors, (0), 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 09:41:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 13857 transitions. [2021-10-28 09:41:02,781 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 13857 transitions. Word has length 332 [2021-10-28 09:41:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:02,781 INFO L470 AbstractCegarLoop]: Abstraction has 12413 states and 13857 transitions. [2021-10-28 09:41:02,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.25) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 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 09:41:02,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 13857 transitions. [2021-10-28 09:41:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-10-28 09:41:02,794 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:02,794 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:02,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:41:03,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-28 09:41:03,014 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:03,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:03,015 INFO L85 PathProgramCache]: Analyzing trace with hash 474538808, now seen corresponding path program 1 times [2021-10-28 09:41:03,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:03,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450671712] [2021-10-28 09:41:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:03,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-28 09:41:03,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:03,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450671712] [2021-10-28 09:41:03,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450671712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:03,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:03,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:41:03,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846244046] [2021-10-28 09:41:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:03,256 INFO L87 Difference]: Start difference. First operand 12413 states and 13857 transitions. Second operand has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 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 09:41:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:04,823 INFO L93 Difference]: Finished difference Result 29071 states and 32393 transitions. [2021-10-28 09:41:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:04,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 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 354 [2021-10-28 09:41:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:04,844 INFO L225 Difference]: With dead ends: 29071 [2021-10-28 09:41:04,845 INFO L226 Difference]: Without dead ends: 16103 [2021-10-28 09:41:04,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16103 states. [2021-10-28 09:41:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16103 to 10550. [2021-10-28 09:41:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10550 states, 10549 states have (on average 1.1117641482604985) internal successors, (11728), 10549 states have internal predecessors, (11728), 0 states have call successors, (0), 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 09:41:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10550 states to 10550 states and 11728 transitions. [2021-10-28 09:41:05,047 INFO L78 Accepts]: Start accepts. Automaton has 10550 states and 11728 transitions. Word has length 354 [2021-10-28 09:41:05,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:05,048 INFO L470 AbstractCegarLoop]: Abstraction has 10550 states and 11728 transitions. [2021-10-28 09:41:05,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.75) internal successors, (259), 4 states have internal predecessors, (259), 0 states have call successors, (0), 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 09:41:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 10550 states and 11728 transitions. [2021-10-28 09:41:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-10-28 09:41:05,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:05,060 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 09:41:05,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 09:41:05,061 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:05,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:05,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1672122884, now seen corresponding path program 1 times [2021-10-28 09:41:05,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:05,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676923020] [2021-10-28 09:41:05,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:05,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:05,277 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-28 09:41:05,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:05,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676923020] [2021-10-28 09:41:05,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676923020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:05,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:05,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:41:05,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153558369] [2021-10-28 09:41:05,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:05,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:05,283 INFO L87 Difference]: Start difference. First operand 10550 states and 11728 transitions. Second operand has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 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 09:41:06,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:06,381 INFO L93 Difference]: Finished difference Result 23312 states and 25815 transitions. [2021-10-28 09:41:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:06,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 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 367 [2021-10-28 09:41:06,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:06,397 INFO L225 Difference]: With dead ends: 23312 [2021-10-28 09:41:06,397 INFO L226 Difference]: Without dead ends: 12764 [2021-10-28 09:41:06,404 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:06,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12764 states. [2021-10-28 09:41:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12764 to 10177. [2021-10-28 09:41:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10177 states, 10176 states have (on average 1.1077044025157232) internal successors, (11272), 10176 states have internal predecessors, (11272), 0 states have call successors, (0), 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 09:41:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10177 states to 10177 states and 11272 transitions. [2021-10-28 09:41:06,557 INFO L78 Accepts]: Start accepts. Automaton has 10177 states and 11272 transitions. Word has length 367 [2021-10-28 09:41:06,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:06,558 INFO L470 AbstractCegarLoop]: Abstraction has 10177 states and 11272 transitions. [2021-10-28 09:41:06,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.0) internal successors, (264), 4 states have internal predecessors, (264), 0 states have call successors, (0), 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 09:41:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 10177 states and 11272 transitions. [2021-10-28 09:41:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-10-28 09:41:06,569 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:06,570 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:06,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 09:41:06,571 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:06,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:06,571 INFO L85 PathProgramCache]: Analyzing trace with hash 555394427, now seen corresponding path program 1 times [2021-10-28 09:41:06,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:06,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771136679] [2021-10-28 09:41:06,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:06,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-10-28 09:41:06,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:06,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771136679] [2021-10-28 09:41:06,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771136679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:06,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:06,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:06,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145045837] [2021-10-28 09:41:06,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:06,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:06,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:06,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:06,770 INFO L87 Difference]: Start difference. First operand 10177 states and 11272 transitions. Second operand has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 09:41:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:08,113 INFO L93 Difference]: Finished difference Result 27179 states and 30081 transitions. [2021-10-28 09:41:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:08,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 402 [2021-10-28 09:41:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:08,131 INFO L225 Difference]: With dead ends: 27179 [2021-10-28 09:41:08,131 INFO L226 Difference]: Without dead ends: 17004 [2021-10-28 09:41:08,137 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 09:41:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2021-10-28 09:41:08,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15891. [2021-10-28 09:41:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15891 states, 15890 states have (on average 1.1056639395846444) internal successors, (17569), 15890 states have internal predecessors, (17569), 0 states have call successors, (0), 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 09:41:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15891 states to 15891 states and 17569 transitions. [2021-10-28 09:41:08,467 INFO L78 Accepts]: Start accepts. Automaton has 15891 states and 17569 transitions. Word has length 402 [2021-10-28 09:41:08,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:08,467 INFO L470 AbstractCegarLoop]: Abstraction has 15891 states and 17569 transitions. [2021-10-28 09:41:08,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 09:41:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15891 states and 17569 transitions. [2021-10-28 09:41:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-10-28 09:41:08,496 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:08,497 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:08,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 09:41:08,498 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:08,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:08,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1873288126, now seen corresponding path program 1 times [2021-10-28 09:41:08,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:08,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901322020] [2021-10-28 09:41:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:08,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 675 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-10-28 09:41:08,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:08,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901322020] [2021-10-28 09:41:08,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901322020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:08,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:08,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:08,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368721654] [2021-10-28 09:41:08,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:41:08,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:41:08,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:41:08,762 INFO L87 Difference]: Start difference. First operand 15891 states and 17569 transitions. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 09:41:10,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:10,154 INFO L93 Difference]: Finished difference Result 30497 states and 33716 transitions. [2021-10-28 09:41:10,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:41:10,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 547 [2021-10-28 09:41:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:10,172 INFO L225 Difference]: With dead ends: 30497 [2021-10-28 09:41:10,172 INFO L226 Difference]: Without dead ends: 17004 [2021-10-28 09:41:10,178 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 09:41:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17004 states. [2021-10-28 09:41:10,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17004 to 15707. [2021-10-28 09:41:10,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15707 states, 15706 states have (on average 1.1050553928434994) internal successors, (17356), 15706 states have internal predecessors, (17356), 0 states have call successors, (0), 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 09:41:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15707 states to 15707 states and 17356 transitions. [2021-10-28 09:41:10,378 INFO L78 Accepts]: Start accepts. Automaton has 15707 states and 17356 transitions. Word has length 547 [2021-10-28 09:41:10,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:10,379 INFO L470 AbstractCegarLoop]: Abstraction has 15707 states and 17356 transitions. [2021-10-28 09:41:10,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 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 09:41:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 15707 states and 17356 transitions. [2021-10-28 09:41:10,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2021-10-28 09:41:10,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:10,399 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:10,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 09:41:10,400 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:10,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1519719464, now seen corresponding path program 1 times [2021-10-28 09:41:10,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:10,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614823135] [2021-10-28 09:41:10,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:10,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2021-10-28 09:41:10,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:10,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614823135] [2021-10-28 09:41:10,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614823135] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:10,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:10,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:10,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555348794] [2021-10-28 09:41:10,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:10,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:10,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:10,684 INFO L87 Difference]: Start difference. First operand 15707 states and 17356 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:11,784 INFO L93 Difference]: Finished difference Result 29218 states and 32305 transitions. [2021-10-28 09:41:11,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:11,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 561 [2021-10-28 09:41:11,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:11,806 INFO L225 Difference]: With dead ends: 29218 [2021-10-28 09:41:11,806 INFO L226 Difference]: Without dead ends: 15725 [2021-10-28 09:41:11,815 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 09:41:11,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15725 states. [2021-10-28 09:41:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15725 to 15339. [2021-10-28 09:41:12,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15339 states, 15338 states have (on average 1.0973399400182553) internal successors, (16831), 15338 states have internal predecessors, (16831), 0 states have call successors, (0), 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 09:41:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15339 states to 15339 states and 16831 transitions. [2021-10-28 09:41:12,117 INFO L78 Accepts]: Start accepts. Automaton has 15339 states and 16831 transitions. Word has length 561 [2021-10-28 09:41:12,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:12,118 INFO L470 AbstractCegarLoop]: Abstraction has 15339 states and 16831 transitions. [2021-10-28 09:41:12,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:41:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 15339 states and 16831 transitions. [2021-10-28 09:41:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2021-10-28 09:41:12,132 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:41:12,133 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:12,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 09:41:12,133 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:41:12,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:41:12,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1808687197, now seen corresponding path program 1 times [2021-10-28 09:41:12,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:41:12,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564913631] [2021-10-28 09:41:12,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:41:12,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:41:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:41:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2021-10-28 09:41:12,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:41:12,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564913631] [2021-10-28 09:41:12,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564913631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:41:12,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:41:12,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:41:12,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90102686] [2021-10-28 09:41:12,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:41:12,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:41:12,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:41:12,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:41:12,407 INFO L87 Difference]: Start difference. First operand 15339 states and 16831 transitions. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 09:41:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:41:13,271 INFO L93 Difference]: Finished difference Result 31775 states and 34829 transitions. [2021-10-28 09:41:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:41:13,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 562 [2021-10-28 09:41:13,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:41:13,273 INFO L225 Difference]: With dead ends: 31775 [2021-10-28 09:41:13,273 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:41:13,284 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 09:41:13,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:41:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:41:13,285 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 09:41:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:41:13,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 562 [2021-10-28 09:41:13,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:41:13,286 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:41:13,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 09:41:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:41:13,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:41:13,289 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:41:13,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 09:41:13,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:41:13,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:41:14,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:41:14,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:41:17,910 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,911 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-28 09:41:17,912 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,913 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,913 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,913 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,913 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,913 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,914 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,914 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,914 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,914 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,914 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-28 09:41:17,915 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-28 09:41:17,915 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-28 09:41:17,915 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,915 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-28 09:41:17,915 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-28 09:41:17,916 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,916 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,916 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,916 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,916 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,917 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,918 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,918 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse12 (= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse14 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse1 (= ~a4~0 1)) (.cse13 (<= ~a29~0 275)) (.cse9 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= 312 ~a23~0) .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse1) (and .cse3 .cse5 .cse2) (and .cse7 .cse6 .cse1) (and .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse12 .cse2) (and .cse13 .cse4 .cse9) (and .cse7 .cse9 (<= (+ 35913 ~a29~0) 0) .cse14) (and .cse13 .cse1 .cse12) (and .cse3 .cse9 .cse6 .cse11) (and .cse6 (< 306 ~a23~0) .cse1 .cse12) (and .cse3 .cse9 .cse5 .cse6) (and .cse8 .cse9 .cse10 .cse12) (and .cse4 .cse6 .cse1) (and .cse5 .cse1 .cse14) (and .cse4 .cse9 .cse6 .cse14) (and .cse7 .cse3 .cse13 .cse9) (and (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse13 .cse0 .cse10 .cse1) (and .cse3 .cse0 .cse1)) .cse6) (and .cse6 .cse11 .cse1) (and .cse13 .cse9 .cse5 .cse10))) [2021-10-28 09:41:17,919 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,919 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-28 09:41:17,919 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-28 09:41:17,919 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,919 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,920 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,920 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,920 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,920 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,920 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-28 09:41:17,921 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-28 09:41:17,921 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-28 09:41:17,921 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-28 09:41:17,921 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,921 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,922 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,922 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,922 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,922 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,922 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,923 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-28 09:41:17,923 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-28 09:41:17,923 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-28 09:41:17,923 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,923 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,924 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,924 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,924 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,924 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,924 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,925 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,925 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,925 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-28 09:41:17,925 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-28 09:41:17,925 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-28 09:41:17,926 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,926 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse2 (<= ~a29~0 130)) (.cse8 (<= ~a29~0 140)) (.cse12 (= ~a25~0 10)) (.cse4 (= ~a25~0 12)) (.cse14 (<= ~a23~0 137)) (.cse7 (= ~a25~0 13)) (.cse3 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599999)) (.cse11 (= ~a25~0 9)) (.cse1 (= ~a4~0 1)) (.cse13 (<= ~a29~0 275)) (.cse9 (= ~a4~0 0)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a23~0 262))) (or (and .cse0 .cse1 (<= 312 ~a23~0) .cse2) (and .cse3 .cse4 (<= ~a29~0 220)) (and .cse5 .cse6 .cse1) (and .cse3 .cse5 .cse2) (and .cse7 .cse6 .cse1) (and .cse8 .cse9 .cse10 .cse11) (and .cse9 .cse12 .cse2) (and .cse13 .cse4 .cse9) (and .cse7 .cse9 (<= (+ 35913 ~a29~0) 0) .cse14) (and .cse13 .cse1 .cse12) (and .cse3 .cse9 .cse6 .cse11) (and .cse6 (< 306 ~a23~0) .cse1 .cse12) (and .cse3 .cse9 .cse5 .cse6) (and .cse8 .cse9 .cse10 .cse12) (and .cse4 .cse6 .cse1) (and .cse5 .cse1 .cse14) (and .cse4 .cse9 .cse6 .cse14) (and .cse7 .cse3 .cse13 .cse9) (and (or (and .cse3 (<= (+ ~a29~0 275824) 0) .cse11) (and .cse13 .cse0 .cse10 .cse1) (and .cse3 .cse0 .cse1)) .cse6) (and .cse6 .cse11 .cse1) (and .cse13 .cse9 .cse5 .cse10))) [2021-10-28 09:41:17,926 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,927 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,927 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,927 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,927 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,927 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,928 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,928 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,928 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 09:41:17,928 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-28 09:41:17,928 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-28 09:41:17,929 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-28 09:41:17,929 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-28 09:41:17,929 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-28 09:41:17,929 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-28 09:41:17,929 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,930 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,930 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,930 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,930 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,930 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:41:17,931 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-28 09:41:17,932 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-28 09:41:17,932 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-28 09:41:17,932 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-28 09:41:17,932 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,932 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,933 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,933 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,933 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,933 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-28 09:41:17,933 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-28 09:41:17,934 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-28 09:41:17,934 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,934 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,934 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,934 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,935 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-28 09:41:17,935 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-28 09:41:17,935 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,935 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,935 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,936 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,936 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,936 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,936 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-28 09:41:17,936 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-28 09:41:17,937 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,937 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,937 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-28 09:41:17,937 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-28 09:41:17,937 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-28 09:41:17,938 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:41:17,938 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2021-10-28 09:41:17,938 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,938 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,938 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,939 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,939 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,939 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,939 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,939 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-28 09:41:17,940 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-28 09:41:17,941 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,941 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,941 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-28 09:41:17,941 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-28 09:41:17,941 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,942 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,942 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,942 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,942 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,942 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,943 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,944 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,944 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,944 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-28 09:41:17,944 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-28 09:41:17,944 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,945 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,946 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,946 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,946 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-28 09:41:17,946 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-28 09:41:17,946 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,947 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,948 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,948 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,948 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,948 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,948 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,949 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-28 09:41:17,949 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-28 09:41:17,949 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:41:17,949 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-28 09:41:17,949 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-28 09:41:17,950 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,950 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,950 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,950 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,950 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-28 09:41:17,951 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,952 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,952 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,952 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-28 09:41:17,952 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-28 09:41:17,952 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,953 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,953 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,953 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,953 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,953 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-28 09:41:17,954 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-28 09:41:17,954 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,954 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,954 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-28 09:41:17,954 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-28 09:41:17,955 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,955 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:41:17,955 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,955 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,955 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-28 09:41:17,956 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-28 09:41:17,957 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,957 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,957 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,957 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,957 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,958 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,958 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,958 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,958 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-28 09:41:17,958 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-28 09:41:17,959 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-28 09:41:17,959 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-28 09:41:17,959 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-28 09:41:17,959 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-28 09:41:17,959 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,960 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,960 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,960 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,960 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,960 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,961 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,961 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-28 09:41:17,961 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-28 09:41:17,961 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:41:17,961 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,962 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,962 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,962 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,962 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,962 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,963 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-28 09:41:17,963 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-28 09:41:17,963 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,963 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,963 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-28 09:41:17,964 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-28 09:41:17,965 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,965 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,965 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-28 09:41:17,965 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-28 09:41:17,965 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-28 09:41:17,966 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-28 09:41:17,970 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:41:17,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:41:18,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:41:18 BoogieIcfgContainer [2021-10-28 09:41:18,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:41:18,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:41:18,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:41:18,006 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:41:18,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:40:27" (3/4) ... [2021-10-28 09:41:18,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:41:18,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 09:41:18,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 09:41:18,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:41:18,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:41:18,272 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:41:18,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:41:18,275 INFO L168 Benchmark]: Toolchain (without parser) took 54358.80 ms. Allocated memory was 102.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 61.0 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 465.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,275 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:41:18,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.64 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 49.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.21 ms. Allocated memory is still 102.8 MB. Free memory was 49.3 MB in the beginning and 67.8 MB in the end (delta: -18.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,277 INFO L168 Benchmark]: Boogie Preprocessor took 169.37 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 58.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,277 INFO L168 Benchmark]: RCFGBuilder took 2456.33 ms. Allocated memory was 102.8 MB in the beginning and 153.1 MB in the end (delta: 50.3 MB). Free memory was 58.9 MB in the beginning and 70.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,278 INFO L168 Benchmark]: TraceAbstraction took 50178.30 ms. Allocated memory was 153.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 70.1 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 788.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,278 INFO L168 Benchmark]: Witness Printer took 266.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:41:18,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 102.8 MB. Free memory is still 81.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1054.64 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 49.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 224.21 ms. Allocated memory is still 102.8 MB. Free memory was 49.3 MB in the beginning and 67.8 MB in the end (delta: -18.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 169.37 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 58.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2456.33 ms. Allocated memory was 102.8 MB in the beginning and 153.1 MB in the end (delta: 50.3 MB). Free memory was 58.9 MB in the beginning and 70.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 50178.30 ms. Allocated memory was 153.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 70.1 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 788.8 MB. Max. memory is 16.1 GB. * Witness Printer took 266.83 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 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: 151]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.0s, OverallIterations: 23, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4312 SDtfs, 4323 SDslu, 672 SDs, 0 SdLazy, 17243 SolverSat, 2178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 897 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17789occurred in iteration=11, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 23 MinimizatonAttempts, 24702 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 203 NumberOfFragments, 575 HoareAnnotationTreeSize, 3 FomulaSimplifications, 81744 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 61986 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 7510 NumberOfCodeBlocks, 7510 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7484 ConstructedInterpolants, 0 QuantifiedInterpolants, 23061 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1272 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 7701/7924 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 9)) || ((a4 == 0 && a25 == 10) && a29 <= 130)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a29 <= 275 && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a29 <= 599999 && 306 < a23) && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 10)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || (((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) && a29 <= 599999)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a25 <= 10 && a4 == 1) && 312 <= a23) && a29 <= 130) || ((a23 + 43 <= 0 && a25 == 12) && a29 <= 220)) || ((a25 == 11 && a29 <= 599999) && a4 == 1)) || ((a23 + 43 <= 0 && a25 == 11) && a29 <= 130)) || ((a25 == 13 && a29 <= 599999) && a4 == 1)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 9)) || ((a4 == 0 && a25 == 10) && a29 <= 130)) || ((a29 <= 275 && a25 == 12) && a4 == 0)) || (((a25 == 13 && a4 == 0) && 35913 + a29 <= 0) && a23 <= 137)) || ((a29 <= 275 && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a29 <= 599999) && a25 == 9)) || (((a29 <= 599999 && 306 < a23) && a4 == 1) && a25 == 10)) || (((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 <= 599999)) || (((a29 <= 140 && a4 == 0) && a23 <= 262) && a25 == 10)) || ((a25 == 12 && a29 <= 599999) && a4 == 1)) || ((a25 == 11 && a4 == 1) && a23 <= 137)) || (((a25 == 12 && a4 == 0) && a29 <= 599999) && a23 <= 137)) || (((a25 == 13 && a23 + 43 <= 0) && a29 <= 275) && a4 == 0)) || (((((a23 + 43 <= 0 && a29 + 275824 <= 0) && a25 == 9) || (((a29 <= 275 && a25 <= 10) && a23 <= 262) && a4 == 1)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) && a29 <= 599999)) || ((a29 <= 599999 && a25 == 9) && a4 == 1)) || (((a29 <= 275 && a4 == 0) && a25 == 11) && a23 <= 262) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:41:18,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1088f46-99f2-48e3-9e08-697f6d9bd67a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...