./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX --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 e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:40:50,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:40:50,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:40:50,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:40:50,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:40:50,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:40:50,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:40:50,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:40:50,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:40:50,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:40:50,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:40:50,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:40:50,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:40:50,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:40:50,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:40:50,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:40:50,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:40:50,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:40:50,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:40:50,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:40:50,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:40:50,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:40:50,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:40:50,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:40:50,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:40:50,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:40:50,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:40:50,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:40:50,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:40:50,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:40:50,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:40:50,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:40:50,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:40:50,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:40:50,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:40:50,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:40:50,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:40:50,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:40:50,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:40:50,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:40:50,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:40:50,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:40:50,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:40:50,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:40:50,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:40:50,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:40:50,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:40:50,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:40:50,751 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:40:50,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:40:50,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:40:50,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:40:50,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:40:50,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:40:50,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:40:50,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:40:50,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:40:50,755 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:40:50,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:40:50,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:40:50,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:40:50,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:40:50,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:40:50,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:40:50,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:40:50,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:40:50,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:40:50,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:40:50,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:40:50,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:40:50,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:40:50,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:40:50,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:40:50,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:40:50,761 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_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d [2021-11-09 09:40:51,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:40:51,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:40:51,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:40:51,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:40:51,088 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:40:51,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-11-09 09:40:51,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/data/46230d393/704df22d28e142aa800cff72caf718c8/FLAG4691aa23b [2021-11-09 09:40:51,911 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:40:51,914 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2021-11-09 09:40:51,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/data/46230d393/704df22d28e142aa800cff72caf718c8/FLAG4691aa23b [2021-11-09 09:40:52,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/data/46230d393/704df22d28e142aa800cff72caf718c8 [2021-11-09 09:40:52,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:40:52,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:40:52,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:40:52,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:40:52,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:40:52,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:40:52" (1/1) ... [2021-11-09 09:40:52,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e6dafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:52, skipping insertion in model container [2021-11-09 09:40:52,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:40:52" (1/1) ... [2021-11-09 09:40:52,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:40:52,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:40:52,429 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_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-11-09 09:40:52,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:52,753 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:40:52,790 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_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/sv-benchmarks/c/eca-rers2012/Problem11_label06.c[9087,9100] [2021-11-09 09:40:53,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:40:53,020 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:40:53,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53 WrapperNode [2021-11-09 09:40:53,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:40:53,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:53,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:40:53,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:40:53,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:40:53,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:40:53,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:40:53,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:40:53,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:40:53,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:40:53,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:40:53,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:40:53,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (1/1) ... [2021-11-09 09:40:53,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:40:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:40:53,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:40:53,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:40:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:40:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:40:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:40:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:40:55,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:40:55,639 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:40:55,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:55 BoogieIcfgContainer [2021-11-09 09:40:55,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:40:55,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:40:55,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:40:55,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:40:55,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:40:52" (1/3) ... [2021-11-09 09:40:55,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5626fcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:40:55, skipping insertion in model container [2021-11-09 09:40:55,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:40:53" (2/3) ... [2021-11-09 09:40:55,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5626fcef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:40:55, skipping insertion in model container [2021-11-09 09:40:55,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:55" (3/3) ... [2021-11-09 09:40:55,655 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2021-11-09 09:40:55,665 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:40:55,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 09:40:55,734 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:40:55,741 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 [2021-11-09 09:40:55,742 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-09 09:40:55,770 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) [2021-11-09 09:40:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-09 09:40:55,781 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:55,782 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:40:55,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:55,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:55,789 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2021-11-09 09:40:55,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:55,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400647767] [2021-11-09 09:40:55,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:55,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:56,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:56,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400647767] [2021-11-09 09:40:56,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400647767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:56,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:56,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:56,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922018631] [2021-11-09 09:40:56,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:56,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:56,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:56,327 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 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:57,796 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-11-09 09:40:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:57,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-11-09 09:40:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:57,817 INFO L225 Difference]: With dead ends: 761 [2021-11-09 09:40:57,817 INFO L226 Difference]: Without dead ends: 413 [2021-11-09 09:40:57,822 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 [2021-11-09 09:40:57,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-11-09 09:40:57,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-11-09 09:40:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-11-09 09:40:57,925 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 63 [2021-11-09 09:40:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:57,927 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-11-09 09:40:57,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-11-09 09:40:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-09 09:40:57,934 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:57,935 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, 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] [2021-11-09 09:40:57,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:40:57,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:57,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1774038808, now seen corresponding path program 1 times [2021-11-09 09:40:57,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:57,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129196] [2021-11-09 09:40:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:57,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:58,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:58,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129196] [2021-11-09 09:40:58,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:58,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:58,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:58,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480240396] [2021-11-09 09:40:58,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:58,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:58,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:58,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:58,179 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:40:59,262 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-11-09 09:40:59,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:40:59,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-11-09 09:40:59,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:40:59,268 INFO L225 Difference]: With dead ends: 1211 [2021-11-09 09:40:59,268 INFO L226 Difference]: Without dead ends: 800 [2021-11-09 09:40:59,271 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 [2021-11-09 09:40:59,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-11-09 09:40:59,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-11-09 09:40:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-11-09 09:40:59,321 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 131 [2021-11-09 09:40:59,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:40:59,322 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-11-09 09:40:59,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:40:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-11-09 09:40:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-09 09:40:59,327 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:40:59,327 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, 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] [2021-11-09 09:40:59,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:40:59,328 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:40:59,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:40:59,329 INFO L85 PathProgramCache]: Analyzing trace with hash -977289123, now seen corresponding path program 1 times [2021-11-09 09:40:59,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:40:59,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982745472] [2021-11-09 09:40:59,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:40:59,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:40:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:40:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:40:59,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:40:59,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982745472] [2021-11-09 09:40:59,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982745472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:40:59,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:40:59,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:40:59,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062779610] [2021-11-09 09:40:59,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:40:59,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:40:59,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:40:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:40:59,457 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:00,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:00,461 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-11-09 09:41:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:00,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2021-11-09 09:41:00,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:00,471 INFO L225 Difference]: With dead ends: 1945 [2021-11-09 09:41:00,471 INFO L226 Difference]: Without dead ends: 1158 [2021-11-09 09:41:00,473 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 [2021-11-09 09:41:00,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-11-09 09:41:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-11-09 09:41:00,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-11-09 09:41:00,519 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 133 [2021-11-09 09:41:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:00,520 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-11-09 09:41:00,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-11-09 09:41:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-09 09:41:00,527 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:00,528 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, 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] [2021-11-09 09:41:00,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:41:00,529 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:00,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:00,530 INFO L85 PathProgramCache]: Analyzing trace with hash -873825219, now seen corresponding path program 1 times [2021-11-09 09:41:00,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:00,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329534167] [2021-11-09 09:41:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:00,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:00,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:00,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329534167] [2021-11-09 09:41:00,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329534167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:00,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:00,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:00,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414457287] [2021-11-09 09:41:00,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:00,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:00,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:00,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:00,788 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:01,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:01,762 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-11-09 09:41:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:01,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2021-11-09 09:41:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:01,778 INFO L225 Difference]: With dead ends: 2519 [2021-11-09 09:41:01,778 INFO L226 Difference]: Without dead ends: 1548 [2021-11-09 09:41:01,782 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 [2021-11-09 09:41:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-11-09 09:41:01,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-11-09 09:41:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-11-09 09:41:01,834 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 190 [2021-11-09 09:41:01,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:01,836 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-11-09 09:41:01,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-11-09 09:41:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-09 09:41:01,844 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:01,844 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:01,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:41:01,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:01,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2127494464, now seen corresponding path program 1 times [2021-11-09 09:41:01,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:01,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196095369] [2021-11-09 09:41:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:01,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-09 09:41:02,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:02,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196095369] [2021-11-09 09:41:02,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196095369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:02,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:02,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:02,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136709918] [2021-11-09 09:41:02,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:02,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:02,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:02,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:02,090 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:03,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:03,210 INFO L93 Difference]: Finished difference Result 3657 states and 4894 transitions. [2021-11-09 09:41:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:03,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 245 [2021-11-09 09:41:03,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:03,226 INFO L225 Difference]: With dead ends: 3657 [2021-11-09 09:41:03,226 INFO L226 Difference]: Without dead ends: 2298 [2021-11-09 09:41:03,229 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 [2021-11-09 09:41:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-11-09 09:41:03,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2112. [2021-11-09 09:41:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.2832780672666984) internal successors, (2709), 2111 states have internal predecessors, (2709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2709 transitions. [2021-11-09 09:41:03,297 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2709 transitions. Word has length 245 [2021-11-09 09:41:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:03,298 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2709 transitions. [2021-11-09 09:41:03,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2709 transitions. [2021-11-09 09:41:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-09 09:41:03,304 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:03,305 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:03,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 09:41:03,306 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash -468248497, now seen corresponding path program 1 times [2021-11-09 09:41:03,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:03,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623665975] [2021-11-09 09:41:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:03,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:03,601 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-09 09:41:03,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:03,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623665975] [2021-11-09 09:41:03,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623665975] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:41:03,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510374070] [2021-11-09 09:41:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:03,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:03,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:03,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:41:03,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:41:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:03,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:41:03,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-09 09:41:04,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510374070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:04,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:41:04,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-09 09:41:04,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973118760] [2021-11-09 09:41:04,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:04,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:04,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:04,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:04,716 INFO L87 Difference]: Start difference. First operand 2112 states and 2709 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:06,017 INFO L93 Difference]: Finished difference Result 4969 states and 6492 transitions. [2021-11-09 09:41:06,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:06,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 251 [2021-11-09 09:41:06,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:06,039 INFO L225 Difference]: With dead ends: 4969 [2021-11-09 09:41:06,039 INFO L226 Difference]: Without dead ends: 3043 [2021-11-09 09:41:06,043 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2021-11-09 09:41:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 3032. [2021-11-09 09:41:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 3031 states have (on average 1.2464533157373805) internal successors, (3778), 3031 states have internal predecessors, (3778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 3778 transitions. [2021-11-09 09:41:06,137 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 3778 transitions. Word has length 251 [2021-11-09 09:41:06,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:06,138 INFO L470 AbstractCegarLoop]: Abstraction has 3032 states and 3778 transitions. [2021-11-09 09:41:06,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3778 transitions. [2021-11-09 09:41:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-09 09:41:06,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:06,147 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, 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] [2021-11-09 09:41:06,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:06,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-09 09:41:06,366 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:06,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1730347281, now seen corresponding path program 1 times [2021-11-09 09:41:06,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:06,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454268570] [2021-11-09 09:41:06,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 121 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:06,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:06,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454268570] [2021-11-09 09:41:06,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454268570] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:41:06,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142063036] [2021-11-09 09:41:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:06,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:06,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:06,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:41:06,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 09:41:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:06,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:41:06,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:07,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142063036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:07,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:41:07,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-09 09:41:07,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948675447] [2021-11-09 09:41:07,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:07,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:07,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:07,746 INFO L87 Difference]: Start difference. First operand 3032 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:08,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:08,727 INFO L93 Difference]: Finished difference Result 7004 states and 8858 transitions. [2021-11-09 09:41:08,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:08,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-11-09 09:41:08,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:08,752 INFO L225 Difference]: With dead ends: 7004 [2021-11-09 09:41:08,752 INFO L226 Difference]: Without dead ends: 4158 [2021-11-09 09:41:08,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:08,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4158 states. [2021-11-09 09:41:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4158 to 3953. [2021-11-09 09:41:08,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 3952 states have (on average 1.249746963562753) internal successors, (4939), 3952 states have internal predecessors, (4939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 4939 transitions. [2021-11-09 09:41:08,854 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 4939 transitions. Word has length 276 [2021-11-09 09:41:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:08,854 INFO L470 AbstractCegarLoop]: Abstraction has 3953 states and 4939 transitions. [2021-11-09 09:41:08,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 4939 transitions. [2021-11-09 09:41:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-09 09:41:08,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:08,864 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, 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] [2021-11-09 09:41:08,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-09 09:41:09,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 09:41:09,078 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:09,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:09,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1197677939, now seen corresponding path program 1 times [2021-11-09 09:41:09,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:09,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746447111] [2021-11-09 09:41:09,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:09,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:09,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:09,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746447111] [2021-11-09 09:41:09,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746447111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:09,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:09,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:09,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486650598] [2021-11-09 09:41:09,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:41:09,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:09,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:41:09,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:41:09,257 INFO L87 Difference]: Start difference. First operand 3953 states and 4939 transitions. Second operand has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:11,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:11,036 INFO L93 Difference]: Finished difference Result 11809 states and 15047 transitions. [2021-11-09 09:41:11,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:41:11,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 300 [2021-11-09 09:41:11,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:11,089 INFO L225 Difference]: With dead ends: 11809 [2021-11-09 09:41:11,089 INFO L226 Difference]: Without dead ends: 8042 [2021-11-09 09:41:11,095 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 [2021-11-09 09:41:11,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8042 states. [2021-11-09 09:41:11,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8042 to 8038. [2021-11-09 09:41:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8038 states, 8037 states have (on average 1.253203931815354) internal successors, (10072), 8037 states have internal predecessors, (10072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8038 states to 8038 states and 10072 transitions. [2021-11-09 09:41:11,344 INFO L78 Accepts]: Start accepts. Automaton has 8038 states and 10072 transitions. Word has length 300 [2021-11-09 09:41:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:11,347 INFO L470 AbstractCegarLoop]: Abstraction has 8038 states and 10072 transitions. [2021-11-09 09:41:11,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8038 states and 10072 transitions. [2021-11-09 09:41:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-09 09:41:11,366 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:11,367 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, 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, 2, 2, 2, 2, 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] [2021-11-09 09:41:11,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 09:41:11,367 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:11,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1365874858, now seen corresponding path program 1 times [2021-11-09 09:41:11,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:11,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416076693] [2021-11-09 09:41:11,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:11,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-09 09:41:11,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:11,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416076693] [2021-11-09 09:41:11,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416076693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:11,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:11,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:11,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874819287] [2021-11-09 09:41:11,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:11,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:11,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:11,512 INFO L87 Difference]: Start difference. First operand 8038 states and 10072 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) [2021-11-09 09:41:12,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:12,508 INFO L93 Difference]: Finished difference Result 15912 states and 20000 transitions. [2021-11-09 09:41:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:12,509 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 341 [2021-11-09 09:41:12,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:12,568 INFO L225 Difference]: With dead ends: 15912 [2021-11-09 09:41:12,568 INFO L226 Difference]: Without dead ends: 8244 [2021-11-09 09:41:12,577 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 [2021-11-09 09:41:12,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8244 states. [2021-11-09 09:41:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8244 to 8222. [2021-11-09 09:41:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8222 states, 8221 states have (on average 1.229290840530349) internal successors, (10106), 8221 states have internal predecessors, (10106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:12,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8222 states to 8222 states and 10106 transitions. [2021-11-09 09:41:12,794 INFO L78 Accepts]: Start accepts. Automaton has 8222 states and 10106 transitions. Word has length 341 [2021-11-09 09:41:12,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:12,795 INFO L470 AbstractCegarLoop]: Abstraction has 8222 states and 10106 transitions. [2021-11-09 09:41:12,796 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) [2021-11-09 09:41:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 8222 states and 10106 transitions. [2021-11-09 09:41:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-09 09:41:12,812 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:12,813 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, 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, 2, 2, 2, 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] [2021-11-09 09:41:12,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:41:12,813 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:12,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:12,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1487776732, now seen corresponding path program 1 times [2021-11-09 09:41:12,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:12,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406076606] [2021-11-09 09:41:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:12,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-09 09:41:13,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:13,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406076606] [2021-11-09 09:41:13,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406076606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:13,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:13,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:13,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166659679] [2021-11-09 09:41:13,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:13,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:13,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:13,041 INFO L87 Difference]: Start difference. First operand 8222 states and 10106 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:13,863 INFO L93 Difference]: Finished difference Result 15663 states and 19310 transitions. [2021-11-09 09:41:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:13,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 342 [2021-11-09 09:41:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:13,876 INFO L225 Difference]: With dead ends: 15663 [2021-11-09 09:41:13,876 INFO L226 Difference]: Without dead ends: 7811 [2021-11-09 09:41:13,886 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 [2021-11-09 09:41:13,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7811 states. [2021-11-09 09:41:13,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7811 to 6703. [2021-11-09 09:41:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 6702 states have (on average 1.1720381975529692) internal successors, (7855), 6702 states have internal predecessors, (7855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 7855 transitions. [2021-11-09 09:41:14,013 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 7855 transitions. Word has length 342 [2021-11-09 09:41:14,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:14,014 INFO L470 AbstractCegarLoop]: Abstraction has 6703 states and 7855 transitions. [2021-11-09 09:41:14,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 7855 transitions. [2021-11-09 09:41:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-09 09:41:14,029 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:14,029 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, 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, 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] [2021-11-09 09:41:14,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 09:41:14,030 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:14,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:14,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1557749846, now seen corresponding path program 1 times [2021-11-09 09:41:14,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:14,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099223593] [2021-11-09 09:41:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:14,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-09 09:41:14,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:14,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099223593] [2021-11-09 09:41:14,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099223593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:14,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:14,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:14,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462985346] [2021-11-09 09:41:14,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:14,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:14,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:14,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:14,216 INFO L87 Difference]: Start difference. First operand 6703 states and 7855 transitions. Second operand has 3 states, 3 states have (on average 92.66666666666667) 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) [2021-11-09 09:41:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:15,252 INFO L93 Difference]: Finished difference Result 13961 states and 16490 transitions. [2021-11-09 09:41:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:15,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.66666666666667) 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 374 [2021-11-09 09:41:15,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:15,273 INFO L225 Difference]: With dead ends: 13961 [2021-11-09 09:41:15,273 INFO L226 Difference]: Without dead ends: 8368 [2021-11-09 09:41:15,281 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 [2021-11-09 09:41:15,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8368 states. [2021-11-09 09:41:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8368 to 8180. [2021-11-09 09:41:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8180 states, 8179 states have (on average 1.160166279496271) internal successors, (9489), 8179 states have internal predecessors, (9489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8180 states to 8180 states and 9489 transitions. [2021-11-09 09:41:15,444 INFO L78 Accepts]: Start accepts. Automaton has 8180 states and 9489 transitions. Word has length 374 [2021-11-09 09:41:15,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:15,445 INFO L470 AbstractCegarLoop]: Abstraction has 8180 states and 9489 transitions. [2021-11-09 09:41:15,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) 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) [2021-11-09 09:41:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 8180 states and 9489 transitions. [2021-11-09 09:41:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-09 09:41:15,466 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:15,467 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:15,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 09:41:15,467 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:15,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:15,468 INFO L85 PathProgramCache]: Analyzing trace with hash -547751050, now seen corresponding path program 1 times [2021-11-09 09:41:15,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:15,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025346187] [2021-11-09 09:41:15,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:15,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:41:15,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:15,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025346187] [2021-11-09 09:41:15,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025346187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:15,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:15,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 09:41:15,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945401039] [2021-11-09 09:41:15,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:41:15,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:15,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:41:15,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-09 09:41:15,730 INFO L87 Difference]: Start difference. First operand 8180 states and 9489 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:17,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:17,408 INFO L93 Difference]: Finished difference Result 22472 states and 26356 transitions. [2021-11-09 09:41:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:41:17,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 388 [2021-11-09 09:41:17,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:17,434 INFO L225 Difference]: With dead ends: 22472 [2021-11-09 09:41:17,434 INFO L226 Difference]: Without dead ends: 14662 [2021-11-09 09:41:17,491 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 [2021-11-09 09:41:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14662 states. [2021-11-09 09:41:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14662 to 13180. [2021-11-09 09:41:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13180 states, 13179 states have (on average 1.1493284771226953) internal successors, (15147), 13179 states have internal predecessors, (15147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 15147 transitions. [2021-11-09 09:41:17,709 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 15147 transitions. Word has length 388 [2021-11-09 09:41:17,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:17,710 INFO L470 AbstractCegarLoop]: Abstraction has 13180 states and 15147 transitions. [2021-11-09 09:41:17,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:17,710 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 15147 transitions. [2021-11-09 09:41:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-09 09:41:17,734 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:17,734 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-09 09:41:17,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 09:41:17,735 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:17,736 INFO L85 PathProgramCache]: Analyzing trace with hash 677648061, now seen corresponding path program 1 times [2021-11-09 09:41:17,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:17,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774218798] [2021-11-09 09:41:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 182 proven. 171 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-09 09:41:18,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:18,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774218798] [2021-11-09 09:41:18,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774218798] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:41:18,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932752274] [2021-11-09 09:41:18,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:18,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:18,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:41:18,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 09:41:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:18,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:41:18,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-09 09:41:19,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932752274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:19,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:41:19,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-09 09:41:19,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070778414] [2021-11-09 09:41:19,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:41:19,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:19,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:41:19,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:41:19,627 INFO L87 Difference]: Start difference. First operand 13180 states and 15147 transitions. Second operand has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:21,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:21,438 INFO L93 Difference]: Finished difference Result 33181 states and 38451 transitions. [2021-11-09 09:41:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:41:21,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 398 [2021-11-09 09:41:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:21,478 INFO L225 Difference]: With dead ends: 33181 [2021-11-09 09:41:21,478 INFO L226 Difference]: Without dead ends: 20371 [2021-11-09 09:41:21,493 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-09 09:41:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20371 states. [2021-11-09 09:41:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20371 to 20177. [2021-11-09 09:41:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20177 states, 20176 states have (on average 1.1451724821570182) internal successors, (23105), 20176 states have internal predecessors, (23105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20177 states to 20177 states and 23105 transitions. [2021-11-09 09:41:21,999 INFO L78 Accepts]: Start accepts. Automaton has 20177 states and 23105 transitions. Word has length 398 [2021-11-09 09:41:22,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:22,000 INFO L470 AbstractCegarLoop]: Abstraction has 20177 states and 23105 transitions. [2021-11-09 09:41:22,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.5) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 20177 states and 23105 transitions. [2021-11-09 09:41:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-11-09 09:41:22,028 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:22,028 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, 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] [2021-11-09 09:41:22,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:22,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:22,242 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:22,243 INFO L85 PathProgramCache]: Analyzing trace with hash -467739689, now seen corresponding path program 1 times [2021-11-09 09:41:22,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:22,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283869108] [2021-11-09 09:41:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:22,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-09 09:41:22,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:22,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283869108] [2021-11-09 09:41:22,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283869108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:22,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:22,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:41:22,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719486903] [2021-11-09 09:41:22,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:22,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:22,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:22,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:22,472 INFO L87 Difference]: Start difference. First operand 20177 states and 23105 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:23,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:23,292 INFO L93 Difference]: Finished difference Result 37572 states and 43047 transitions. [2021-11-09 09:41:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:23,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 403 [2021-11-09 09:41:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:23,327 INFO L225 Difference]: With dead ends: 37572 [2021-11-09 09:41:23,328 INFO L226 Difference]: Without dead ends: 19057 [2021-11-09 09:41:23,345 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 [2021-11-09 09:41:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19057 states. [2021-11-09 09:41:23,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19057 to 19051. [2021-11-09 09:41:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19051 states, 19050 states have (on average 1.1410498687664041) internal successors, (21737), 19050 states have internal predecessors, (21737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19051 states to 19051 states and 21737 transitions. [2021-11-09 09:41:23,832 INFO L78 Accepts]: Start accepts. Automaton has 19051 states and 21737 transitions. Word has length 403 [2021-11-09 09:41:23,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:23,836 INFO L470 AbstractCegarLoop]: Abstraction has 19051 states and 21737 transitions. [2021-11-09 09:41:23,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 19051 states and 21737 transitions. [2021-11-09 09:41:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-11-09 09:41:23,955 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:23,956 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, 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] [2021-11-09 09:41:23,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 09:41:23,956 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash -522132587, now seen corresponding path program 1 times [2021-11-09 09:41:23,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:23,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336182327] [2021-11-09 09:41:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:23,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-09 09:41:24,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:24,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336182327] [2021-11-09 09:41:24,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336182327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:24,152 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:24,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:24,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508251895] [2021-11-09 09:41:24,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:24,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:24,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:24,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:24,155 INFO L87 Difference]: Start difference. First operand 19051 states and 21737 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:25,387 INFO L93 Difference]: Finished difference Result 41048 states and 46908 transitions. [2021-11-09 09:41:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:25,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 403 [2021-11-09 09:41:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:25,424 INFO L225 Difference]: With dead ends: 41048 [2021-11-09 09:41:25,424 INFO L226 Difference]: Without dead ends: 22367 [2021-11-09 09:41:25,436 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 [2021-11-09 09:41:25,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22367 states. [2021-11-09 09:41:25,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22367 to 22363. [2021-11-09 09:41:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22363 states, 22362 states have (on average 1.136257937572668) internal successors, (25409), 22362 states have internal predecessors, (25409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22363 states to 22363 states and 25409 transitions. [2021-11-09 09:41:25,910 INFO L78 Accepts]: Start accepts. Automaton has 22363 states and 25409 transitions. Word has length 403 [2021-11-09 09:41:25,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:25,911 INFO L470 AbstractCegarLoop]: Abstraction has 22363 states and 25409 transitions. [2021-11-09 09:41:25,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 22363 states and 25409 transitions. [2021-11-09 09:41:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-11-09 09:41:25,949 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:25,950 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:25,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 09:41:25,950 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash 392214559, now seen corresponding path program 1 times [2021-11-09 09:41:25,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:25,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072946330] [2021-11-09 09:41:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:25,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:26,220 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-11-09 09:41:26,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:26,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072946330] [2021-11-09 09:41:26,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072946330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:26,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:26,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:26,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120771830] [2021-11-09 09:41:26,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:26,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:26,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:26,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:26,224 INFO L87 Difference]: Start difference. First operand 22363 states and 25409 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) [2021-11-09 09:41:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:27,380 INFO L93 Difference]: Finished difference Result 44719 states and 50876 transitions. [2021-11-09 09:41:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:27,381 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 486 [2021-11-09 09:41:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:27,412 INFO L225 Difference]: With dead ends: 44719 [2021-11-09 09:41:27,413 INFO L226 Difference]: Without dead ends: 22728 [2021-11-09 09:41:27,426 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 [2021-11-09 09:41:27,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22728 states. [2021-11-09 09:41:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22728 to 21985. [2021-11-09 09:41:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21985 states, 21984 states have (on average 1.115311135371179) internal successors, (24519), 21984 states have internal predecessors, (24519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21985 states to 21985 states and 24519 transitions. [2021-11-09 09:41:27,921 INFO L78 Accepts]: Start accepts. Automaton has 21985 states and 24519 transitions. Word has length 486 [2021-11-09 09:41:27,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:27,922 INFO L470 AbstractCegarLoop]: Abstraction has 21985 states and 24519 transitions. [2021-11-09 09:41:27,922 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) [2021-11-09 09:41:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 21985 states and 24519 transitions. [2021-11-09 09:41:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-11-09 09:41:27,946 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:27,947 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, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:27,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 09:41:27,948 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:27,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1205511744, now seen corresponding path program 1 times [2021-11-09 09:41:27,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:27,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271035682] [2021-11-09 09:41:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:27,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 455 proven. 85 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-09 09:41:28,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:28,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271035682] [2021-11-09 09:41:28,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271035682] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:41:28,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914559046] [2021-11-09 09:41:28,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:28,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:28,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:28,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:41:28,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 09:41:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:28,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:41:28,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-09 09:41:30,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914559046] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:30,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:41:30,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-09 09:41:30,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286311363] [2021-11-09 09:41:30,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:30,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:30,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:30,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:30,777 INFO L87 Difference]: Start difference. First operand 21985 states and 24519 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:31,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:31,807 INFO L93 Difference]: Finished difference Result 43050 states and 48046 transitions. [2021-11-09 09:41:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:31,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 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 509 [2021-11-09 09:41:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:31,839 INFO L225 Difference]: With dead ends: 43050 [2021-11-09 09:41:31,839 INFO L226 Difference]: Without dead ends: 22911 [2021-11-09 09:41:31,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:41:31,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22911 states. [2021-11-09 09:41:32,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22911 to 22537. [2021-11-09 09:41:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22537 states, 22536 states have (on average 1.1107561235356762) internal successors, (25032), 22536 states have internal predecessors, (25032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22537 states to 22537 states and 25032 transitions. [2021-11-09 09:41:32,291 INFO L78 Accepts]: Start accepts. Automaton has 22537 states and 25032 transitions. Word has length 509 [2021-11-09 09:41:32,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:32,292 INFO L470 AbstractCegarLoop]: Abstraction has 22537 states and 25032 transitions. [2021-11-09 09:41:32,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22537 states and 25032 transitions. [2021-11-09 09:41:32,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-09 09:41:32,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:32,309 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, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:32,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-09 09:41:32,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-09 09:41:32,522 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:32,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:32,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1083496193, now seen corresponding path program 1 times [2021-11-09 09:41:32,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:32,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546940160] [2021-11-09 09:41:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:32,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 516 proven. 24 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-09 09:41:32,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:32,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546940160] [2021-11-09 09:41:32,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546940160] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:41:32,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820857605] [2021-11-09 09:41:32,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:32,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:41:32,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:41:32,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:41:32,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 09:41:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:33,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-09 09:41:33,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:41:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-11-09 09:41:35,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820857605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:35,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-09 09:41:35,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-11-09 09:41:35,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135772435] [2021-11-09 09:41:35,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 09:41:35,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:35,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 09:41:35,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:41:35,656 INFO L87 Difference]: Start difference. First operand 22537 states and 25032 transitions. Second operand has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:36,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:36,983 INFO L93 Difference]: Finished difference Result 47278 states and 52386 transitions. [2021-11-09 09:41:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 09:41:36,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 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 510 [2021-11-09 09:41:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:37,017 INFO L225 Difference]: With dead ends: 47278 [2021-11-09 09:41:37,017 INFO L226 Difference]: Without dead ends: 25111 [2021-11-09 09:41:37,033 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:41:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25111 states. [2021-11-09 09:41:37,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25111 to 21975. [2021-11-09 09:41:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21975 states, 21974 states have (on average 1.1055338126877219) internal successors, (24293), 21974 states have internal predecessors, (24293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 24293 transitions. [2021-11-09 09:41:37,462 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 24293 transitions. Word has length 510 [2021-11-09 09:41:37,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:37,463 INFO L470 AbstractCegarLoop]: Abstraction has 21975 states and 24293 transitions. [2021-11-09 09:41:37,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.25) internal successors, (309), 4 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 24293 transitions. [2021-11-09 09:41:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-09 09:41:37,493 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:37,493 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, 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, 3, 3, 3, 3, 3, 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] [2021-11-09 09:41:37,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:41:37,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-09 09:41:37,706 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:37,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:37,707 INFO L85 PathProgramCache]: Analyzing trace with hash 742788827, now seen corresponding path program 1 times [2021-11-09 09:41:37,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:37,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898334126] [2021-11-09 09:41:37,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:37,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2021-11-09 09:41:38,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:38,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898334126] [2021-11-09 09:41:38,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898334126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:38,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:38,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:38,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809496776] [2021-11-09 09:41:38,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:38,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:38,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:38,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:38,099 INFO L87 Difference]: Start difference. First operand 21975 states and 24293 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:39,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:39,077 INFO L93 Difference]: Finished difference Result 46152 states and 51077 transitions. [2021-11-09 09:41:39,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:39,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 537 [2021-11-09 09:41:39,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:39,105 INFO L225 Difference]: With dead ends: 46152 [2021-11-09 09:41:39,105 INFO L226 Difference]: Without dead ends: 24547 [2021-11-09 09:41:39,116 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 [2021-11-09 09:41:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24547 states. [2021-11-09 09:41:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24547 to 16633. [2021-11-09 09:41:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16633 states, 16632 states have (on average 1.0967412217412218) internal successors, (18241), 16632 states have internal predecessors, (18241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16633 states to 16633 states and 18241 transitions. [2021-11-09 09:41:39,361 INFO L78 Accepts]: Start accepts. Automaton has 16633 states and 18241 transitions. Word has length 537 [2021-11-09 09:41:39,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:39,362 INFO L470 AbstractCegarLoop]: Abstraction has 16633 states and 18241 transitions. [2021-11-09 09:41:39,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 16633 states and 18241 transitions. [2021-11-09 09:41:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-11-09 09:41:39,386 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:39,386 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:39,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 09:41:39,387 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:39,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:39,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1763189104, now seen corresponding path program 1 times [2021-11-09 09:41:39,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:39,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993394627] [2021-11-09 09:41:39,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:39,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1778 backedges. 1286 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2021-11-09 09:41:39,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:39,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993394627] [2021-11-09 09:41:39,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993394627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:39,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:39,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:39,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553362175] [2021-11-09 09:41:39,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:39,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:39,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:39,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:39,839 INFO L87 Difference]: Start difference. First operand 16633 states and 18241 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:40,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:40,828 INFO L93 Difference]: Finished difference Result 34941 states and 38332 transitions. [2021-11-09 09:41:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:40,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 731 [2021-11-09 09:41:40,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:40,848 INFO L225 Difference]: With dead ends: 34941 [2021-11-09 09:41:40,848 INFO L226 Difference]: Without dead ends: 18494 [2021-11-09 09:41:40,856 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 [2021-11-09 09:41:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18494 states. [2021-11-09 09:41:41,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18494 to 18105. [2021-11-09 09:41:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18105 states, 18104 states have (on average 1.090974370304905) internal successors, (19751), 18104 states have internal predecessors, (19751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:41,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18105 states to 18105 states and 19751 transitions. [2021-11-09 09:41:41,084 INFO L78 Accepts]: Start accepts. Automaton has 18105 states and 19751 transitions. Word has length 731 [2021-11-09 09:41:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:41,085 INFO L470 AbstractCegarLoop]: Abstraction has 18105 states and 19751 transitions. [2021-11-09 09:41:41,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 18105 states and 19751 transitions. [2021-11-09 09:41:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2021-11-09 09:41:41,103 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:41:41,104 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:41:41,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 09:41:41,105 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-09 09:41:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:41:41,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2044993265, now seen corresponding path program 1 times [2021-11-09 09:41:41,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:41:41,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153334134] [2021-11-09 09:41:41,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:41:41,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:41:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:41:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2021-11-09 09:41:41,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:41:41,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153334134] [2021-11-09 09:41:41,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153334134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:41:41,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:41:41,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:41:41,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823761720] [2021-11-09 09:41:41,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:41:41,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:41:41,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:41:41,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:41:41,461 INFO L87 Difference]: Start difference. First operand 18105 states and 19751 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:42,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:41:42,522 INFO L93 Difference]: Finished difference Result 34359 states and 37378 transitions. [2021-11-09 09:41:42,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:41:42,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 732 [2021-11-09 09:41:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:41:42,527 INFO L225 Difference]: With dead ends: 34359 [2021-11-09 09:41:42,527 INFO L226 Difference]: Without dead ends: 0 [2021-11-09 09:41:42,542 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 [2021-11-09 09:41:42,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-09 09:41:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-09 09:41:42,542 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) [2021-11-09 09:41:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-09 09:41:42,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2021-11-09 09:41:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:41:42,543 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:41:42,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:41:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:41:42,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-09 09:41:42,547 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-09 09:41:42,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-09 09:41:42,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-09 09:41:42,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:41:43,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:41:43,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-09 09:41:45,689 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-11-09 09:41:45,689 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,689 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-11-09 09:41:45,690 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,690 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,690 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,690 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,690 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,691 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,691 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-11-09 09:41:45,691 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-11-09 09:41:45,691 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-11-09 09:41:45,691 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,692 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,692 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,692 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,692 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,692 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,693 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,693 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,693 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,693 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,693 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-11-09 09:41:45,694 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-11-09 09:41:45,694 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-11-09 09:41:45,694 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,694 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-11-09 09:41:45,694 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-11-09 09:41:45,695 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,695 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,695 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,695 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,695 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,696 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,697 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,697 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse10 (<= ~a23~0 138)) (.cse11 (<= 13 ~a25~0)) (.cse7 (<= (+ 28470 ~a29~0) 0)) (.cse13 (= ~a25~0 10)) (.cse12 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 9)) (.cse14 (= ~a25~0 12)) (.cse0 (<= 261 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse15 (= ~a25~0 11)) (.cse2 (<= ~a25~0 10)) (.cse6 (<= 130 ~a29~0)) (.cse3 (<= ~a8~0 15)) (.cse16 (<= 12 ~a25~0)) (.cse5 (= ~a4~0 1)) (.cse4 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse3 (<= ~a29~0 220) .cse5 (<= 312 ~a23~0) .cse6) (and .cse1 .cse3 .cse7 .cse4 .cse8) (and .cse3 .cse5 (<= 246 ~a29~0)) (and .cse3 (<= 0 (+ 41 ~a23~0)) .cse5 .cse4) (and .cse1 .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse1 .cse9 .cse3 .cse10) (and .cse3 .cse5 .cse11) (and .cse12 .cse1 .cse3 .cse13) (and .cse14 .cse1 .cse3 .cse6) (and .cse14 .cse3 .cse7 .cse5) (and .cse3 .cse5 .cse13) (and .cse12 .cse1 .cse15 .cse3 .cse4) (and .cse14 .cse1 .cse3 .cse4) (and .cse3 .cse5 .cse4 .cse8) (and .cse3 .cse16 .cse5 .cse6) (and .cse14 .cse1 .cse3 (<= (+ ~a29~0 554036) 0)) (and .cse0 .cse1 .cse15 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6) (and .cse3 .cse16 .cse5 .cse4))) [2021-11-09 09:41:45,697 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,698 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-11-09 09:41:45,698 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-11-09 09:41:45,698 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,698 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,698 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,699 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,699 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,699 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,699 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-11-09 09:41:45,699 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-11-09 09:41:45,700 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-11-09 09:41:45,700 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-11-09 09:41:45,700 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,700 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,700 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,700 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,701 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,701 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,701 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,701 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-11-09 09:41:45,701 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-09 09:41:45,702 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-11-09 09:41:45,702 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,702 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,702 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,702 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,703 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-11-09 09:41:45,704 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-11-09 09:41:45,704 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-11-09 09:41:45,704 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,704 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse9 (< 0 (+ ~a23~0 43))) (.cse10 (<= ~a23~0 138)) (.cse11 (<= 13 ~a25~0)) (.cse7 (<= (+ 28470 ~a29~0) 0)) (.cse13 (= ~a25~0 10)) (.cse12 (<= ~a29~0 140)) (.cse8 (<= ~a25~0 9)) (.cse14 (= ~a25~0 12)) (.cse0 (<= 261 ~a29~0)) (.cse1 (= ~a4~0 0)) (.cse15 (= ~a25~0 11)) (.cse2 (<= ~a25~0 10)) (.cse6 (<= 130 ~a29~0)) (.cse3 (<= ~a8~0 15)) (.cse16 (<= 12 ~a25~0)) (.cse5 (= ~a4~0 1)) (.cse4 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse3 (<= ~a29~0 220) .cse5 (<= 312 ~a23~0) .cse6) (and .cse1 .cse3 .cse7 .cse4 .cse8) (and .cse3 .cse5 (<= 246 ~a29~0)) (and .cse3 (<= 0 (+ 41 ~a23~0)) .cse5 .cse4) (and .cse1 .cse9 .cse3 .cse10 .cse11) (and .cse12 .cse1 .cse9 .cse3 .cse10) (and .cse3 .cse5 .cse11) (and .cse12 .cse1 .cse3 .cse13) (and .cse14 .cse1 .cse3 .cse6) (and .cse14 .cse3 .cse7 .cse5) (and .cse3 .cse5 .cse13) (and .cse12 .cse1 .cse15 .cse3 .cse4) (and .cse14 .cse1 .cse3 .cse4) (and .cse3 .cse5 .cse4 .cse8) (and .cse3 .cse16 .cse5 .cse6) (and .cse14 .cse1 .cse3 (<= (+ ~a29~0 554036) 0)) (and .cse0 .cse1 .cse15 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6) (and .cse3 .cse16 .cse5 .cse4))) [2021-11-09 09:41:45,705 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,705 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,705 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,705 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,705 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,706 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,706 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,706 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,706 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-09 09:41:45,706 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-11-09 09:41:45,707 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,708 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,708 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,708 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,708 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,708 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,709 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,709 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,709 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,709 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,709 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-09 09:41:45,710 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-11-09 09:41:45,710 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-11-09 09:41:45,710 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-11-09 09:41:45,710 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-11-09 09:41:45,710 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,711 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,711 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,711 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,711 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,711 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,712 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,713 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-11-09 09:41:45,713 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-11-09 09:41:45,713 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,713 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,713 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,714 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,714 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,714 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,714 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-11-09 09:41:45,714 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-11-09 09:41:45,715 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-09 09:41:45,716 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2021-11-09 09:41:45,716 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,716 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,716 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-11-09 09:41:45,717 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-11-09 09:41:45,718 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-11-09 09:41:45,718 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-11-09 09:41:45,718 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-11-09 09:41:45,718 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-11-09 09:41:45,718 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-11-09 09:41:45,719 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,719 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,719 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-11-09 09:41:45,719 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-11-09 09:41:45,719 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-11-09 09:41:45,720 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-11-09 09:41:45,721 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-11-09 09:41:45,721 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,721 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,721 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,721 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-09 09:41:45,722 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,723 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,723 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,723 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,723 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,723 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-11-09 09:41:45,724 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,725 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,725 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,725 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,725 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,725 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,726 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,726 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,726 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,726 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,726 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-11-09 09:41:45,727 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,728 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,728 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,728 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,728 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,728 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,729 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,730 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,730 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-11-09 09:41:45,730 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-11-09 09:41:45,730 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,730 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-11-09 09:41:45,731 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,732 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,732 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-11-09 09:41:45,732 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-11-09 09:41:45,732 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,732 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,733 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-11-09 09:41:45,734 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-09 09:41:45,734 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-11-09 09:41:45,734 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-11-09 09:41:45,734 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,734 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,735 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,736 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-11-09 09:41:45,736 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-09 09:41:45,736 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-11-09 09:41:45,736 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-11-09 09:41:45,736 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-11-09 09:41:45,737 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-11-09 09:41:45,737 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,737 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,737 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,737 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,738 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,738 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,738 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,738 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-11-09 09:41:45,738 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,739 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,740 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,740 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-11-09 09:41:45,740 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-11-09 09:41:45,740 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,740 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,741 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-11-09 09:41:45,742 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-11-09 09:41:45,743 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-11-09 09:41:45,747 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] [2021-11-09 09:41:45,749 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-09 09:41:45,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:41:45 BoogieIcfgContainer [2021-11-09 09:41:45,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-09 09:41:45,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:41:45,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:41:45,787 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:41:45,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:40:55" (3/4) ... [2021-11-09 09:41:45,791 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-09 09:41:45,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-09 09:41:45,836 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-09 09:41:45,838 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:41:45,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-09 09:41:46,052 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/witness.graphml [2021-11-09 09:41:46,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:41:46,055 INFO L168 Benchmark]: Toolchain (without parser) took 54005.47 ms. Allocated memory was 104.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 67.4 MB in the beginning and 427.9 MB in the end (delta: -360.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,055 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:41:46,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 972.13 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 47.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.10 ms. Allocated memory is still 104.9 MB. Free memory was 47.3 MB in the beginning and 67.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,057 INFO L168 Benchmark]: Boogie Preprocessor took 183.18 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 58.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,058 INFO L168 Benchmark]: RCFGBuilder took 2216.24 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 58.7 MB in the beginning and 90.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,059 INFO L168 Benchmark]: TraceAbstraction took 50139.75 ms. Allocated memory was 172.0 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 89.6 MB in the beginning and 454.4 MB in the end (delta: -364.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,059 INFO L168 Benchmark]: Witness Printer took 265.90 ms. Allocated memory is still 1.7 GB. Free memory was 453.3 MB in the beginning and 427.9 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-11-09 09:41:46,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 972.13 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 47.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 219.10 ms. Allocated memory is still 104.9 MB. Free memory was 47.3 MB in the beginning and 67.9 MB in the end (delta: -20.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 183.18 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 58.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2216.24 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 58.7 MB in the beginning and 90.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 40.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 50139.75 ms. Allocated memory was 172.0 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 89.6 MB in the beginning and 454.4 MB in the end (delta: -364.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 265.90 ms. Allocated memory is still 1.7 GB. Free memory was 453.3 MB in the beginning and 427.9 MB in the end (delta: 25.4 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: 205]: 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: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4017 SDtfs, 3294 SDslu, 515 SDs, 0 SdLazy, 13276 SolverSat, 2210 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2005 GetRequests, 1964 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22537occurred in iteration=17, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 21 MinimizatonAttempts, 15981 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 203 NumberOfFragments, 571 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9996 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4596 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 9687 NumberOfCodeBlocks, 9687 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 9661 ConstructedInterpolants, 0 QuantifiedInterpolants, 28297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 13138/13599 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: ((((((((((((((((((((((261 <= a29 && a4 == 0) && a25 <= 10) && a8 <= 15) && a23 <= 312) || ((((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23) && 130 <= a29)) || ((((a4 == 0 && a8 <= 15) && 28470 + a29 <= 0) && a23 <= 312) && a25 <= 9)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || (((a8 <= 15 && 0 <= 41 + a23) && a4 == 1) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a8 <= 15) && a23 <= 138) && 13 <= a25)) || ((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 138)) || ((a8 <= 15 && a4 == 1) && 13 <= a25)) || (((a29 <= 140 && a4 == 0) && a8 <= 15) && a25 == 10)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && 130 <= a29)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || ((a8 <= 15 && a4 == 1) && a25 == 10)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a23 <= 312)) || (((a8 <= 15 && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((a8 <= 15 && 12 <= a25) && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 + 554036 <= 0)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && 130 <= a29)) || (((a8 <= 15 && 12 <= a25) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((261 <= a29 && a4 == 0) && a25 <= 10) && a8 <= 15) && a23 <= 312) || ((((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23) && 130 <= a29)) || ((((a4 == 0 && a8 <= 15) && 28470 + a29 <= 0) && a23 <= 312) && a25 <= 9)) || ((a8 <= 15 && a4 == 1) && 246 <= a29)) || (((a8 <= 15 && 0 <= 41 + a23) && a4 == 1) && a23 <= 312)) || ((((a4 == 0 && 0 < a23 + 43) && a8 <= 15) && a23 <= 138) && 13 <= a25)) || ((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a8 <= 15) && a23 <= 138)) || ((a8 <= 15 && a4 == 1) && 13 <= a25)) || (((a29 <= 140 && a4 == 0) && a8 <= 15) && a25 == 10)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && 130 <= a29)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || ((a8 <= 15 && a4 == 1) && a25 == 10)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a23 <= 312)) || (((a8 <= 15 && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((a8 <= 15 && 12 <= a25) && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 + 554036 <= 0)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((a25 <= 10 && a8 <= 15) && a4 == 1) && 130 <= a29)) || (((a8 <= 15 && 12 <= a25) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-09 09:41:46,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6259c21d-ff27-4bc3-b58f-aeb96abc4eef/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE