./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD --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 3b0a25bcf9d7b9f9ae78e93e032586591c4401ff73527e9d61e66c096f2e8695 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:35:54,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:35:54,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:35:54,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:35:54,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:35:54,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:35:54,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:35:54,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:35:54,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:35:54,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:35:54,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:35:54,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:35:54,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:35:54,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:35:54,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:35:54,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:35:54,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:35:54,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:35:54,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:35:54,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:35:54,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:35:54,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:35:54,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:35:54,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:35:54,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:35:54,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:35:54,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:35:54,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:35:54,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:35:54,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:35:54,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:35:54,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:35:54,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:35:54,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:35:54,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:35:54,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:35:54,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:35:54,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:35:54,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:35:54,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:35:54,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:35:54,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:35:54,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:35:54,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:35:54,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:35:54,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:35:54,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:35:54,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:35:54,805 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:35:54,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:35:54,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:35:54,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:35:54,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:35:54,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:35:54,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:35:54,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:35:54,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:35:54,809 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:35:54,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:35:54,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:35:54,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:35:54,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:35:54,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:35:54,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:35:54,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:35:54,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:35:54,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:35:54,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:35:54,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:35:54,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:35:54,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:35:54,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:35:54,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:35:54,816 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:35:54,816 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_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b0a25bcf9d7b9f9ae78e93e032586591c4401ff73527e9d61e66c096f2e8695 [2021-10-28 23:35:55,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:35:55,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:35:55,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:35:55,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:35:55,156 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:35:55,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-10-28 23:35:55,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/data/da67c72d3/764b00a7001846d0a04c7c2386472b5f/FLAGc18f9a234 [2021-10-28 23:35:55,916 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:35:55,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c [2021-10-28 23:35:55,944 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/data/da67c72d3/764b00a7001846d0a04c7c2386472b5f/FLAGc18f9a234 [2021-10-28 23:35:56,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/data/da67c72d3/764b00a7001846d0a04c7c2386472b5f [2021-10-28 23:35:56,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:35:56,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:35:56,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:35:56,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:35:56,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:35:56,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b48c5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56, skipping insertion in model container [2021-10-28 23:35:56,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:35:56,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:35:56,636 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_3d3ae8f5-7243-454d-a36f-3d17a031efdb/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c[42850,42863] [2021-10-28 23:35:56,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:35:56,656 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:35:56,765 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_3d3ae8f5-7243-454d-a36f-3d17a031efdb/sv-benchmarks/c/openssl-simplified/s3_srvr_2.cil-1.c[42850,42863] [2021-10-28 23:35:56,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:35:56,786 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:35:56,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56 WrapperNode [2021-10-28 23:35:56,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:35:56,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:35:56,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:35:56,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:35:56,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:35:56,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:35:56,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:35:56,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:35:56,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:56,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:35:57,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:35:57,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:35:57,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:35:57,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (1/1) ... [2021-10-28 23:35:57,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:35:57,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:35:57,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:35:57,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:35:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:35:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:35:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:35:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:35:57,319 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 23:35:58,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-28 23:35:58,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-28 23:35:58,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:35:58,052 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:35:58,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:58 BoogieIcfgContainer [2021-10-28 23:35:58,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:35:58,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:35:58,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:35:58,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:35:58,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:35:56" (1/3) ... [2021-10-28 23:35:58,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57696f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:35:58, skipping insertion in model container [2021-10-28 23:35:58,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:35:56" (2/3) ... [2021-10-28 23:35:58,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57696f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:35:58, skipping insertion in model container [2021-10-28 23:35:58,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:58" (3/3) ... [2021-10-28 23:35:58,066 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.c [2021-10-28 23:35:58,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:35:58,074 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:35:58,138 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:35:58,149 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:35:58,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:35:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 23:35:58,192 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:58,192 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] [2021-10-28 23:35:58,193 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1632005994, now seen corresponding path program 1 times [2021-10-28 23:35:58,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:58,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243926603] [2021-10-28 23:35:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:58,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:58,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:58,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243926603] [2021-10-28 23:35:58,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243926603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:58,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:58,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:35:58,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392244466] [2021-10-28 23:35:58,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:35:58,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:58,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:35:58,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:58,554 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 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 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:58,837 INFO L93 Difference]: Finished difference Result 328 states and 564 transitions. [2021-10-28 23:35:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:35:58,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-10-28 23:35:58,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:58,854 INFO L225 Difference]: With dead ends: 328 [2021-10-28 23:35:58,855 INFO L226 Difference]: Without dead ends: 175 [2021-10-28 23:35:58,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:58,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-28 23:35:58,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 170. [2021-10-28 23:35:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.6272189349112427) internal successors, (275), 169 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) [2021-10-28 23:35:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 275 transitions. [2021-10-28 23:35:58,922 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 275 transitions. Word has length 44 [2021-10-28 23:35:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:58,923 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 275 transitions. [2021-10-28 23:35:58,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-10-28 23:35:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-28 23:35:58,927 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:58,927 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:35:58,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:35:58,928 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:58,945 INFO L85 PathProgramCache]: Analyzing trace with hash -954576436, now seen corresponding path program 1 times [2021-10-28 23:35:58,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:58,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211543725] [2021-10-28 23:35:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:58,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:59,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:59,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211543725] [2021-10-28 23:35:59,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211543725] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:59,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:59,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:35:59,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317095494] [2021-10-28 23:35:59,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:35:59,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:59,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:35:59,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:59,047 INFO L87 Difference]: Start difference. First operand 170 states and 275 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:59,256 INFO L93 Difference]: Finished difference Result 380 states and 624 transitions. [2021-10-28 23:35:59,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:35:59,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-10-28 23:35:59,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:59,260 INFO L225 Difference]: With dead ends: 380 [2021-10-28 23:35:59,261 INFO L226 Difference]: Without dead ends: 216 [2021-10-28 23:35:59,263 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-10-28 23:35:59,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 211. [2021-10-28 23:35:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.6761904761904762) internal successors, (352), 210 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 352 transitions. [2021-10-28 23:35:59,285 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 352 transitions. Word has length 45 [2021-10-28 23:35:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:59,286 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 352 transitions. [2021-10-28 23:35:59,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 352 transitions. [2021-10-28 23:35:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-28 23:35:59,291 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:59,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:35:59,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:35:59,292 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:59,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:59,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2071968837, now seen corresponding path program 1 times [2021-10-28 23:35:59,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:59,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355203154] [2021-10-28 23:35:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:59,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:35:59,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:59,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355203154] [2021-10-28 23:35:59,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355203154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:59,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:59,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:35:59,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870664485] [2021-10-28 23:35:59,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:35:59,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:59,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:35:59,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:59,401 INFO L87 Difference]: Start difference. First operand 211 states and 352 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:35:59,629 INFO L93 Difference]: Finished difference Result 445 states and 750 transitions. [2021-10-28 23:35:59,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:35:59,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2021-10-28 23:35:59,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:35:59,635 INFO L225 Difference]: With dead ends: 445 [2021-10-28 23:35:59,635 INFO L226 Difference]: Without dead ends: 242 [2021-10-28 23:35:59,641 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:59,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-10-28 23:35:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2021-10-28 23:35:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.6929460580912863) internal successors, (408), 241 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 408 transitions. [2021-10-28 23:35:59,679 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 408 transitions. Word has length 72 [2021-10-28 23:35:59,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:35:59,682 INFO L470 AbstractCegarLoop]: Abstraction has 242 states and 408 transitions. [2021-10-28 23:35:59,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:35:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2021-10-28 23:35:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 23:35:59,696 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:35:59,696 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:35:59,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:35:59,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:35:59,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:35:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash -947039589, now seen corresponding path program 1 times [2021-10-28 23:35:59,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:35:59,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937749401] [2021-10-28 23:35:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:35:59,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:35:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:35:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:35:59,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:35:59,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937749401] [2021-10-28 23:35:59,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937749401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:35:59,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:35:59,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:35:59,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109275763] [2021-10-28 23:35:59,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:35:59,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:35:59,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:35:59,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:35:59,851 INFO L87 Difference]: Start difference. First operand 242 states and 408 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:00,014 INFO L93 Difference]: Finished difference Result 493 states and 832 transitions. [2021-10-28 23:36:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:00,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 84 [2021-10-28 23:36:00,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:00,018 INFO L225 Difference]: With dead ends: 493 [2021-10-28 23:36:00,018 INFO L226 Difference]: Without dead ends: 259 [2021-10-28 23:36:00,021 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-28 23:36:00,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257. [2021-10-28 23:36:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.68359375) internal successors, (431), 256 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 431 transitions. [2021-10-28 23:36:00,055 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 431 transitions. Word has length 84 [2021-10-28 23:36:00,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:00,056 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 431 transitions. [2021-10-28 23:36:00,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2021-10-28 23:36:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-10-28 23:36:00,063 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:00,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:00,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:36:00,065 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:00,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:00,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1168944985, now seen corresponding path program 1 times [2021-10-28 23:36:00,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:00,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89129692] [2021-10-28 23:36:00,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:00,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:00,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:00,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89129692] [2021-10-28 23:36:00,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89129692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:00,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:00,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:00,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6965298] [2021-10-28 23:36:00,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:00,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:00,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:00,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,219 INFO L87 Difference]: Start difference. First operand 257 states and 431 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:00,413 INFO L93 Difference]: Finished difference Result 552 states and 931 transitions. [2021-10-28 23:36:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:00,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-10-28 23:36:00,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:00,417 INFO L225 Difference]: With dead ends: 552 [2021-10-28 23:36:00,417 INFO L226 Difference]: Without dead ends: 303 [2021-10-28 23:36:00,418 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-10-28 23:36:00,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2021-10-28 23:36:00,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6946308724832215) internal successors, (505), 298 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 505 transitions. [2021-10-28 23:36:00,438 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 505 transitions. Word has length 84 [2021-10-28 23:36:00,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:00,439 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 505 transitions. [2021-10-28 23:36:00,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 505 transitions. [2021-10-28 23:36:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 23:36:00,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:00,442 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:00,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:36:00,443 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2129818626, now seen corresponding path program 1 times [2021-10-28 23:36:00,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:00,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891695777] [2021-10-28 23:36:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:00,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:36:00,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:00,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891695777] [2021-10-28 23:36:00,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891695777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:00,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:00,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:00,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329315069] [2021-10-28 23:36:00,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:00,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:00,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:00,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,533 INFO L87 Difference]: Start difference. First operand 299 states and 505 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:00,683 INFO L93 Difference]: Finished difference Result 592 states and 1000 transitions. [2021-10-28 23:36:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:00,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 85 [2021-10-28 23:36:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:00,695 INFO L225 Difference]: With dead ends: 592 [2021-10-28 23:36:00,695 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 23:36:00,696 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 23:36:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 299. [2021-10-28 23:36:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 298 states have (on average 1.6812080536912752) internal successors, (501), 298 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 501 transitions. [2021-10-28 23:36:00,712 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 501 transitions. Word has length 85 [2021-10-28 23:36:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:00,714 INFO L470 AbstractCegarLoop]: Abstraction has 299 states and 501 transitions. [2021-10-28 23:36:00,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 501 transitions. [2021-10-28 23:36:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-28 23:36:00,720 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:00,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:00,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:36:00,721 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:00,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:00,721 INFO L85 PathProgramCache]: Analyzing trace with hash -122958423, now seen corresponding path program 1 times [2021-10-28 23:36:00,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:00,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935489823] [2021-10-28 23:36:00,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:00,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:00,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:00,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935489823] [2021-10-28 23:36:00,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935489823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:00,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:00,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:00,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389857352] [2021-10-28 23:36:00,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:00,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:00,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:00,830 INFO L87 Difference]: Start difference. First operand 299 states and 501 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:01,010 INFO L93 Difference]: Finished difference Result 594 states and 995 transitions. [2021-10-28 23:36:01,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:01,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2021-10-28 23:36:01,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:01,014 INFO L225 Difference]: With dead ends: 594 [2021-10-28 23:36:01,015 INFO L226 Difference]: Without dead ends: 301 [2021-10-28 23:36:01,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-10-28 23:36:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 297. [2021-10-28 23:36:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.6756756756756757) internal successors, (496), 296 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 496 transitions. [2021-10-28 23:36:01,031 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 496 transitions. Word has length 85 [2021-10-28 23:36:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:01,031 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 496 transitions. [2021-10-28 23:36:01,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 496 transitions. [2021-10-28 23:36:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-28 23:36:01,034 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:01,034 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-10-28 23:36:01,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:36:01,035 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1553184093, now seen corresponding path program 1 times [2021-10-28 23:36:01,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:01,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104297373] [2021-10-28 23:36:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:01,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-28 23:36:01,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:01,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104297373] [2021-10-28 23:36:01,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104297373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:01,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:01,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:01,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481515444] [2021-10-28 23:36:01,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:01,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:01,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,121 INFO L87 Difference]: Start difference. First operand 297 states and 496 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-10-28 23:36:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:01,242 INFO L93 Difference]: Finished difference Result 595 states and 992 transitions. [2021-10-28 23:36:01,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:01,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 97 [2021-10-28 23:36:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:01,245 INFO L225 Difference]: With dead ends: 595 [2021-10-28 23:36:01,245 INFO L226 Difference]: Without dead ends: 306 [2021-10-28 23:36:01,246 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-28 23:36:01,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-10-28 23:36:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 1.6459016393442623) internal successors, (502), 305 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 502 transitions. [2021-10-28 23:36:01,264 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 502 transitions. Word has length 97 [2021-10-28 23:36:01,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:01,264 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 502 transitions. [2021-10-28 23:36:01,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-10-28 23:36:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2021-10-28 23:36:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-10-28 23:36:01,267 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:01,267 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, 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] [2021-10-28 23:36:01,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:36:01,284 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:01,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:01,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2083521026, now seen corresponding path program 1 times [2021-10-28 23:36:01,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:01,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167939949] [2021-10-28 23:36:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:01,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:36:01,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:01,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167939949] [2021-10-28 23:36:01,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167939949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:01,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:01,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:01,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676580743] [2021-10-28 23:36:01,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:01,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:01,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:01,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,351 INFO L87 Difference]: Start difference. First operand 306 states and 502 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:01,504 INFO L93 Difference]: Finished difference Result 635 states and 1045 transitions. [2021-10-28 23:36:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:01,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 98 [2021-10-28 23:36:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:01,510 INFO L225 Difference]: With dead ends: 635 [2021-10-28 23:36:01,512 INFO L226 Difference]: Without dead ends: 337 [2021-10-28 23:36:01,513 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-28 23:36:01,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-28 23:36:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6437125748502994) internal successors, (549), 334 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 549 transitions. [2021-10-28 23:36:01,530 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 549 transitions. Word has length 98 [2021-10-28 23:36:01,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:01,530 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 549 transitions. [2021-10-28 23:36:01,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 549 transitions. [2021-10-28 23:36:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-28 23:36:01,533 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:01,533 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, 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] [2021-10-28 23:36:01,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:36:01,534 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:01,534 INFO L85 PathProgramCache]: Analyzing trace with hash -102460539, now seen corresponding path program 1 times [2021-10-28 23:36:01,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:01,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513984927] [2021-10-28 23:36:01,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:01,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:36:01,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:01,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513984927] [2021-10-28 23:36:01,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513984927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:01,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:01,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:01,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160906062] [2021-10-28 23:36:01,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:01,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:01,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:01,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,587 INFO L87 Difference]: Start difference. First operand 335 states and 549 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:01,751 INFO L93 Difference]: Finished difference Result 664 states and 1088 transitions. [2021-10-28 23:36:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:01,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 99 [2021-10-28 23:36:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:01,754 INFO L225 Difference]: With dead ends: 664 [2021-10-28 23:36:01,755 INFO L226 Difference]: Without dead ends: 337 [2021-10-28 23:36:01,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-10-28 23:36:01,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2021-10-28 23:36:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 334 states have (on average 1.6317365269461077) internal successors, (545), 334 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 545 transitions. [2021-10-28 23:36:01,776 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 545 transitions. Word has length 99 [2021-10-28 23:36:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:01,778 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 545 transitions. [2021-10-28 23:36:01,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 545 transitions. [2021-10-28 23:36:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-10-28 23:36:01,780 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:01,781 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:01,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:36:01,781 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash -651386898, now seen corresponding path program 1 times [2021-10-28 23:36:01,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:01,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003428303] [2021-10-28 23:36:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:01,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:36:01,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:01,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003428303] [2021-10-28 23:36:01,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003428303] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:01,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:01,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:01,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447452611] [2021-10-28 23:36:01,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:01,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:01,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:01,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:01,874 INFO L87 Difference]: Start difference. First operand 335 states and 545 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:02,042 INFO L93 Difference]: Finished difference Result 697 states and 1138 transitions. [2021-10-28 23:36:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:02,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 100 [2021-10-28 23:36:02,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:02,046 INFO L225 Difference]: With dead ends: 697 [2021-10-28 23:36:02,047 INFO L226 Difference]: Without dead ends: 370 [2021-10-28 23:36:02,048 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-28 23:36:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-28 23:36:02,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.626038781163435) internal successors, (587), 361 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 587 transitions. [2021-10-28 23:36:02,070 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 587 transitions. Word has length 100 [2021-10-28 23:36:02,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:02,071 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 587 transitions. [2021-10-28 23:36:02,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 587 transitions. [2021-10-28 23:36:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-10-28 23:36:02,073 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:02,074 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:02,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:36:02,074 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:02,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:02,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1258189035, now seen corresponding path program 1 times [2021-10-28 23:36:02,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:02,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140329557] [2021-10-28 23:36:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:02,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 23:36:02,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:02,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140329557] [2021-10-28 23:36:02,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140329557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:02,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:02,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:02,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977758279] [2021-10-28 23:36:02,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:02,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:02,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,129 INFO L87 Difference]: Start difference. First operand 362 states and 587 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:02,287 INFO L93 Difference]: Finished difference Result 724 states and 1175 transitions. [2021-10-28 23:36:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 101 [2021-10-28 23:36:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:02,294 INFO L225 Difference]: With dead ends: 724 [2021-10-28 23:36:02,295 INFO L226 Difference]: Without dead ends: 370 [2021-10-28 23:36:02,295 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-28 23:36:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 362. [2021-10-28 23:36:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.6121883656509695) internal successors, (582), 361 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 582 transitions. [2021-10-28 23:36:02,318 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 582 transitions. Word has length 101 [2021-10-28 23:36:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:02,318 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 582 transitions. [2021-10-28 23:36:02,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 582 transitions. [2021-10-28 23:36:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-28 23:36:02,320 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:02,321 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:02,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:36:02,321 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1027805126, now seen corresponding path program 1 times [2021-10-28 23:36:02,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:02,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152498607] [2021-10-28 23:36:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:02,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 23:36:02,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:02,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152498607] [2021-10-28 23:36:02,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152498607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:02,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:02,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:02,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750907960] [2021-10-28 23:36:02,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:02,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:02,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:02,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,374 INFO L87 Difference]: Start difference. First operand 362 states and 582 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:02,550 INFO L93 Difference]: Finished difference Result 742 states and 1195 transitions. [2021-10-28 23:36:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:02,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 105 [2021-10-28 23:36:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:02,554 INFO L225 Difference]: With dead ends: 742 [2021-10-28 23:36:02,555 INFO L226 Difference]: Without dead ends: 388 [2021-10-28 23:36:02,556 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-28 23:36:02,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-10-28 23:36:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 382 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 611 transitions. [2021-10-28 23:36:02,576 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 611 transitions. Word has length 105 [2021-10-28 23:36:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:02,577 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 611 transitions. [2021-10-28 23:36:02,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 611 transitions. [2021-10-28 23:36:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-10-28 23:36:02,579 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:02,580 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:02,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:36:02,580 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:02,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1570072403, now seen corresponding path program 1 times [2021-10-28 23:36:02,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:02,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021936695] [2021-10-28 23:36:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:02,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 23:36:02,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:02,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021936695] [2021-10-28 23:36:02,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021936695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:02,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:02,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:02,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685405411] [2021-10-28 23:36:02,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:02,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:02,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:02,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,633 INFO L87 Difference]: Start difference. First operand 383 states and 611 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:02,793 INFO L93 Difference]: Finished difference Result 763 states and 1218 transitions. [2021-10-28 23:36:02,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:02,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 106 [2021-10-28 23:36:02,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:02,797 INFO L225 Difference]: With dead ends: 763 [2021-10-28 23:36:02,797 INFO L226 Difference]: Without dead ends: 388 [2021-10-28 23:36:02,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-28 23:36:02,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2021-10-28 23:36:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5837696335078535) internal successors, (605), 382 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 605 transitions. [2021-10-28 23:36:02,820 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 605 transitions. Word has length 106 [2021-10-28 23:36:02,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:02,820 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 605 transitions. [2021-10-28 23:36:02,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 605 transitions. [2021-10-28 23:36:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-10-28 23:36:02,823 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:02,823 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:02,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:36:02,824 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:02,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1383340250, now seen corresponding path program 1 times [2021-10-28 23:36:02,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:02,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682853080] [2021-10-28 23:36:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:02,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-28 23:36:02,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:02,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682853080] [2021-10-28 23:36:02,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682853080] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:02,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:02,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:02,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759379952] [2021-10-28 23:36:02,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:02,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:02,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:02,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,896 INFO L87 Difference]: Start difference. First operand 383 states and 605 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:02,954 INFO L93 Difference]: Finished difference Result 758 states and 1198 transitions. [2021-10-28 23:36:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:02,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 121 [2021-10-28 23:36:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:02,961 INFO L225 Difference]: With dead ends: 758 [2021-10-28 23:36:02,961 INFO L226 Difference]: Without dead ends: 756 [2021-10-28 23:36:02,964 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2021-10-28 23:36:02,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 756. [2021-10-28 23:36:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.5841059602649006) internal successors, (1196), 755 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1196 transitions. [2021-10-28 23:36:03,006 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1196 transitions. Word has length 121 [2021-10-28 23:36:03,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:03,006 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 1196 transitions. [2021-10-28 23:36:03,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1196 transitions. [2021-10-28 23:36:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 23:36:03,017 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:03,018 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:03,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:36:03,018 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:03,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:03,019 INFO L85 PathProgramCache]: Analyzing trace with hash 56372730, now seen corresponding path program 1 times [2021-10-28 23:36:03,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:03,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51710994] [2021-10-28 23:36:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:03,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-28 23:36:03,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:03,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51710994] [2021-10-28 23:36:03,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51710994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:03,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:03,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:03,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560556447] [2021-10-28 23:36:03,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:03,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,091 INFO L87 Difference]: Start difference. First operand 756 states and 1196 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:03,164 INFO L93 Difference]: Finished difference Result 1872 states and 2964 transitions. [2021-10-28 23:36:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:03,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 122 [2021-10-28 23:36:03,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:03,173 INFO L225 Difference]: With dead ends: 1872 [2021-10-28 23:36:03,174 INFO L226 Difference]: Without dead ends: 1124 [2021-10-28 23:36:03,175 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2021-10-28 23:36:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1124. [2021-10-28 23:36:03,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1123 states have (on average 1.5823686553873553) internal successors, (1777), 1123 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1777 transitions. [2021-10-28 23:36:03,239 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1777 transitions. Word has length 122 [2021-10-28 23:36:03,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:03,240 INFO L470 AbstractCegarLoop]: Abstraction has 1124 states and 1777 transitions. [2021-10-28 23:36:03,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1777 transitions. [2021-10-28 23:36:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-10-28 23:36:03,244 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:03,244 INFO L513 BasicCegarLoop]: trace histogram [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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:03,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 23:36:03,245 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:03,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1445666744, now seen corresponding path program 1 times [2021-10-28 23:36:03,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:03,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690505684] [2021-10-28 23:36:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:03,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-10-28 23:36:03,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:03,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690505684] [2021-10-28 23:36:03,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690505684] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:03,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:03,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:03,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364857791] [2021-10-28 23:36:03,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:03,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:03,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:03,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,292 INFO L87 Difference]: Start difference. First operand 1124 states and 1777 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:03,381 INFO L93 Difference]: Finished difference Result 2591 states and 4097 transitions. [2021-10-28 23:36:03,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:03,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 122 [2021-10-28 23:36:03,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:03,393 INFO L225 Difference]: With dead ends: 2591 [2021-10-28 23:36:03,393 INFO L226 Difference]: Without dead ends: 1475 [2021-10-28 23:36:03,398 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2021-10-28 23:36:03,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2021-10-28 23:36:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.5793758480325644) internal successors, (2328), 1474 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2328 transitions. [2021-10-28 23:36:03,500 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2328 transitions. Word has length 122 [2021-10-28 23:36:03,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:03,500 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2328 transitions. [2021-10-28 23:36:03,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2328 transitions. [2021-10-28 23:36:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-28 23:36:03,506 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:03,506 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 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] [2021-10-28 23:36:03,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 23:36:03,507 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:03,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1566103125, now seen corresponding path program 1 times [2021-10-28 23:36:03,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:03,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433597558] [2021-10-28 23:36:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:03,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 23:36:03,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:03,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433597558] [2021-10-28 23:36:03,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433597558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:03,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:03,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:03,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212643260] [2021-10-28 23:36:03,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:03,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:03,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:03,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,562 INFO L87 Difference]: Start difference. First operand 1475 states and 2328 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:03,809 INFO L93 Difference]: Finished difference Result 2982 states and 4692 transitions. [2021-10-28 23:36:03,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:03,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 159 [2021-10-28 23:36:03,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:03,821 INFO L225 Difference]: With dead ends: 2982 [2021-10-28 23:36:03,821 INFO L226 Difference]: Without dead ends: 1515 [2021-10-28 23:36:03,824 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:03,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2021-10-28 23:36:03,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1475. [2021-10-28 23:36:03,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 1.4816824966078697) internal successors, (2184), 1474 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2184 transitions. [2021-10-28 23:36:03,910 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2184 transitions. Word has length 159 [2021-10-28 23:36:03,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:03,911 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 2184 transitions. [2021-10-28 23:36:03,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2184 transitions. [2021-10-28 23:36:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-28 23:36:03,916 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:03,917 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 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] [2021-10-28 23:36:03,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-28 23:36:03,917 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1636228969, now seen corresponding path program 1 times [2021-10-28 23:36:03,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:03,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123810987] [2021-10-28 23:36:03,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:03,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-28 23:36:04,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:04,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123810987] [2021-10-28 23:36:04,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123810987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:04,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:04,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:04,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024451186] [2021-10-28 23:36:04,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:04,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:04,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:04,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:04,003 INFO L87 Difference]: Start difference. First operand 1475 states and 2184 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:04,250 INFO L93 Difference]: Finished difference Result 3138 states and 4656 transitions. [2021-10-28 23:36:04,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:04,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 159 [2021-10-28 23:36:04,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:04,263 INFO L225 Difference]: With dead ends: 3138 [2021-10-28 23:36:04,264 INFO L226 Difference]: Without dead ends: 1671 [2021-10-28 23:36:04,266 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:04,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2021-10-28 23:36:04,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1555. [2021-10-28 23:36:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1554 states have (on average 1.444015444015444) internal successors, (2244), 1554 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2244 transitions. [2021-10-28 23:36:04,367 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2244 transitions. Word has length 159 [2021-10-28 23:36:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:04,367 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2244 transitions. [2021-10-28 23:36:04,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2244 transitions. [2021-10-28 23:36:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-28 23:36:04,373 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:04,374 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:04,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-28 23:36:04,374 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:04,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:04,375 INFO L85 PathProgramCache]: Analyzing trace with hash 442177989, now seen corresponding path program 1 times [2021-10-28 23:36:04,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:04,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380958697] [2021-10-28 23:36:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:04,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-28 23:36:04,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:04,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380958697] [2021-10-28 23:36:04,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380958697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:04,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:04,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:04,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017755088] [2021-10-28 23:36:04,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:04,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:04,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:04,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:04,430 INFO L87 Difference]: Start difference. First operand 1555 states and 2244 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:04,710 INFO L93 Difference]: Finished difference Result 3158 states and 4542 transitions. [2021-10-28 23:36:04,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:04,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 173 [2021-10-28 23:36:04,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:04,723 INFO L225 Difference]: With dead ends: 3158 [2021-10-28 23:36:04,723 INFO L226 Difference]: Without dead ends: 1611 [2021-10-28 23:36:04,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-10-28 23:36:04,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1555. [2021-10-28 23:36:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1554 states have (on average 1.404118404118404) internal successors, (2182), 1554 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2182 transitions. [2021-10-28 23:36:04,833 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2182 transitions. Word has length 173 [2021-10-28 23:36:04,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:04,833 INFO L470 AbstractCegarLoop]: Abstraction has 1555 states and 2182 transitions. [2021-10-28 23:36:04,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:04,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2182 transitions. [2021-10-28 23:36:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-10-28 23:36:04,843 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:04,843 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:04,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-28 23:36:04,844 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:04,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:04,844 INFO L85 PathProgramCache]: Analyzing trace with hash 893492071, now seen corresponding path program 1 times [2021-10-28 23:36:04,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:04,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696829214] [2021-10-28 23:36:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:04,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 23:36:04,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:04,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696829214] [2021-10-28 23:36:04,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696829214] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:04,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:04,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:04,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818316421] [2021-10-28 23:36:04,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:04,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:04,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:04,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:04,909 INFO L87 Difference]: Start difference. First operand 1555 states and 2182 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:05,111 INFO L93 Difference]: Finished difference Result 3187 states and 4459 transitions. [2021-10-28 23:36:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:05,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 189 [2021-10-28 23:36:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:05,124 INFO L225 Difference]: With dead ends: 3187 [2021-10-28 23:36:05,124 INFO L226 Difference]: Without dead ends: 1640 [2021-10-28 23:36:05,127 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2021-10-28 23:36:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1624. [2021-10-28 23:36:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1623 states have (on average 1.3961799137399877) internal successors, (2266), 1623 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2266 transitions. [2021-10-28 23:36:05,247 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2266 transitions. Word has length 189 [2021-10-28 23:36:05,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:05,248 INFO L470 AbstractCegarLoop]: Abstraction has 1624 states and 2266 transitions. [2021-10-28 23:36:05,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2266 transitions. [2021-10-28 23:36:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-10-28 23:36:05,255 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:05,255 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:05,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-28 23:36:05,256 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:05,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:05,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1767840956, now seen corresponding path program 1 times [2021-10-28 23:36:05,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:05,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886521909] [2021-10-28 23:36:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:05,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-10-28 23:36:05,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:05,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886521909] [2021-10-28 23:36:05,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886521909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:05,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:05,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:05,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174345684] [2021-10-28 23:36:05,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:05,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:05,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:05,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:05,327 INFO L87 Difference]: Start difference. First operand 1624 states and 2266 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:05,542 INFO L93 Difference]: Finished difference Result 3392 states and 4736 transitions. [2021-10-28 23:36:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:05,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 210 [2021-10-28 23:36:05,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:05,556 INFO L225 Difference]: With dead ends: 3392 [2021-10-28 23:36:05,556 INFO L226 Difference]: Without dead ends: 1776 [2021-10-28 23:36:05,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:05,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2021-10-28 23:36:05,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1724. [2021-10-28 23:36:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.3847939640162508) internal successors, (2386), 1723 states have internal predecessors, (2386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2386 transitions. [2021-10-28 23:36:05,655 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2386 transitions. Word has length 210 [2021-10-28 23:36:05,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:05,656 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2386 transitions. [2021-10-28 23:36:05,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2386 transitions. [2021-10-28 23:36:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-28 23:36:05,663 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:05,664 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:05,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-28 23:36:05,664 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:05,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:05,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1550608766, now seen corresponding path program 1 times [2021-10-28 23:36:05,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:05,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414281433] [2021-10-28 23:36:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:05,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-10-28 23:36:05,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:05,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414281433] [2021-10-28 23:36:05,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414281433] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:05,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:05,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:05,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884007860] [2021-10-28 23:36:05,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:05,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:05,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:05,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:05,739 INFO L87 Difference]: Start difference. First operand 1724 states and 2386 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:06,036 INFO L93 Difference]: Finished difference Result 3494 states and 4822 transitions. [2021-10-28 23:36:06,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:06,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2021-10-28 23:36:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:06,049 INFO L225 Difference]: With dead ends: 3494 [2021-10-28 23:36:06,049 INFO L226 Difference]: Without dead ends: 1778 [2021-10-28 23:36:06,052 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2021-10-28 23:36:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1724. [2021-10-28 23:36:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1723 states have (on average 1.380150899593732) internal successors, (2378), 1723 states have internal predecessors, (2378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2378 transitions. [2021-10-28 23:36:06,151 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2378 transitions. Word has length 213 [2021-10-28 23:36:06,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:06,152 INFO L470 AbstractCegarLoop]: Abstraction has 1724 states and 2378 transitions. [2021-10-28 23:36:06,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2378 transitions. [2021-10-28 23:36:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-28 23:36:06,160 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:06,161 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 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] [2021-10-28 23:36:06,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-28 23:36:06,162 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:06,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:06,163 INFO L85 PathProgramCache]: Analyzing trace with hash -615950364, now seen corresponding path program 1 times [2021-10-28 23:36:06,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:06,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485210187] [2021-10-28 23:36:06,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:06,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2021-10-28 23:36:06,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:06,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485210187] [2021-10-28 23:36:06,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485210187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:06,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:06,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:06,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274486603] [2021-10-28 23:36:06,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:06,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:06,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:06,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:06,246 INFO L87 Difference]: Start difference. First operand 1724 states and 2378 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:06,520 INFO L93 Difference]: Finished difference Result 3636 states and 5036 transitions. [2021-10-28 23:36:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:06,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 234 [2021-10-28 23:36:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:06,534 INFO L225 Difference]: With dead ends: 3636 [2021-10-28 23:36:06,534 INFO L226 Difference]: Without dead ends: 1820 [2021-10-28 23:36:06,537 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:06,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2021-10-28 23:36:06,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1780. [2021-10-28 23:36:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1779 states have (on average 1.3614390106801575) internal successors, (2422), 1779 states have internal predecessors, (2422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2422 transitions. [2021-10-28 23:36:06,629 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2422 transitions. Word has length 234 [2021-10-28 23:36:06,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:06,630 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2422 transitions. [2021-10-28 23:36:06,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2422 transitions. [2021-10-28 23:36:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-28 23:36:06,638 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:06,638 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:06,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-28 23:36:06,639 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1751905145, now seen corresponding path program 1 times [2021-10-28 23:36:06,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:06,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964335583] [2021-10-28 23:36:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:06,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 385 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-10-28 23:36:06,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:06,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964335583] [2021-10-28 23:36:06,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964335583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:06,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:06,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:06,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531945621] [2021-10-28 23:36:06,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:06,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:06,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:06,711 INFO L87 Difference]: Start difference. First operand 1780 states and 2422 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:06,927 INFO L93 Difference]: Finished difference Result 3584 states and 4884 transitions. [2021-10-28 23:36:06,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:06,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 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 236 [2021-10-28 23:36:06,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:06,941 INFO L225 Difference]: With dead ends: 3584 [2021-10-28 23:36:06,942 INFO L226 Difference]: Without dead ends: 1812 [2021-10-28 23:36:06,945 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1812 states. [2021-10-28 23:36:07,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1812 to 1780. [2021-10-28 23:36:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1779 states have (on average 1.3501967397414278) internal successors, (2402), 1779 states have internal predecessors, (2402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2402 transitions. [2021-10-28 23:36:07,076 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2402 transitions. Word has length 236 [2021-10-28 23:36:07,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:07,077 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2402 transitions. [2021-10-28 23:36:07,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2402 transitions. [2021-10-28 23:36:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-10-28 23:36:07,087 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:07,087 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:07,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-28 23:36:07,088 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:07,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash 264243297, now seen corresponding path program 1 times [2021-10-28 23:36:07,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:07,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204407995] [2021-10-28 23:36:07,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:07,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2021-10-28 23:36:07,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:07,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204407995] [2021-10-28 23:36:07,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204407995] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:07,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038141199] [2021-10-28 23:36:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:07,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:07,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:07,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:36:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:07,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:07,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2021-10-28 23:36:08,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038141199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:08,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:36:08,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:36:08,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846945988] [2021-10-28 23:36:08,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:08,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:08,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:08,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:08,427 INFO L87 Difference]: Start difference. First operand 1780 states and 2402 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:08,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:08,515 INFO L93 Difference]: Finished difference Result 3574 states and 4830 transitions. [2021-10-28 23:36:08,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:08,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 246 [2021-10-28 23:36:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:08,531 INFO L225 Difference]: With dead ends: 3574 [2021-10-28 23:36:08,531 INFO L226 Difference]: Without dead ends: 2235 [2021-10-28 23:36:08,534 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2235 states. [2021-10-28 23:36:08,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2235 to 2235. [2021-10-28 23:36:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2235 states, 2234 states have (on average 1.3504923903312445) internal successors, (3017), 2234 states have internal predecessors, (3017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 3017 transitions. [2021-10-28 23:36:08,673 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 3017 transitions. Word has length 246 [2021-10-28 23:36:08,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:08,674 INFO L470 AbstractCegarLoop]: Abstraction has 2235 states and 3017 transitions. [2021-10-28 23:36:08,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 3017 transitions. [2021-10-28 23:36:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 23:36:08,683 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:08,684 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 23:36:08,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:08,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-28 23:36:08,909 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:08,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:08,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1153610059, now seen corresponding path program 1 times [2021-10-28 23:36:08,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:08,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351265942] [2021-10-28 23:36:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:08,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 23:36:08,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:08,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351265942] [2021-10-28 23:36:08,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351265942] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:08,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249058580] [2021-10-28 23:36:08,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:08,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:08,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:09,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 23:36:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:09,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:09,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-10-28 23:36:10,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249058580] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:10,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:10,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:36:10,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605078960] [2021-10-28 23:36:10,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:10,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:10,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:10,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:10,057 INFO L87 Difference]: Start difference. First operand 2235 states and 3017 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:10,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:10,558 INFO L93 Difference]: Finished difference Result 7149 states and 9661 transitions. [2021-10-28 23:36:10,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:10,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-28 23:36:10,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:10,595 INFO L225 Difference]: With dead ends: 7149 [2021-10-28 23:36:10,604 INFO L226 Difference]: Without dead ends: 4922 [2021-10-28 23:36:10,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2021-10-28 23:36:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 2780. [2021-10-28 23:36:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2780 states, 2779 states have (on average 1.3195394026628284) internal successors, (3667), 2779 states have internal predecessors, (3667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2780 states to 2780 states and 3667 transitions. [2021-10-28 23:36:10,760 INFO L78 Accepts]: Start accepts. Automaton has 2780 states and 3667 transitions. Word has length 253 [2021-10-28 23:36:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:10,761 INFO L470 AbstractCegarLoop]: Abstraction has 2780 states and 3667 transitions. [2021-10-28 23:36:10,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3667 transitions. [2021-10-28 23:36:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-10-28 23:36:10,771 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:10,772 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-28 23:36:10,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:10,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-28 23:36:10,987 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:10,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:10,988 INFO L85 PathProgramCache]: Analyzing trace with hash -864790669, now seen corresponding path program 1 times [2021-10-28 23:36:10,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:10,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314912200] [2021-10-28 23:36:10,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:10,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-10-28 23:36:11,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:11,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314912200] [2021-10-28 23:36:11,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314912200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:11,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:11,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:11,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236366879] [2021-10-28 23:36:11,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:11,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:11,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:11,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:11,058 INFO L87 Difference]: Start difference. First operand 2780 states and 3667 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:11,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:11,218 INFO L93 Difference]: Finished difference Result 7809 states and 10357 transitions. [2021-10-28 23:36:11,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:11,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-10-28 23:36:11,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:11,232 INFO L225 Difference]: With dead ends: 7809 [2021-10-28 23:36:11,232 INFO L226 Difference]: Without dead ends: 5037 [2021-10-28 23:36:11,237 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:11,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5037 states. [2021-10-28 23:36:11,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5037 to 5035. [2021-10-28 23:36:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.3283671036948748) internal successors, (6687), 5034 states have internal predecessors, (6687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6687 transitions. [2021-10-28 23:36:11,522 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6687 transitions. Word has length 253 [2021-10-28 23:36:11,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:11,523 INFO L470 AbstractCegarLoop]: Abstraction has 5035 states and 6687 transitions. [2021-10-28 23:36:11,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6687 transitions. [2021-10-28 23:36:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-28 23:36:11,539 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:11,540 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:11,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-28 23:36:11,541 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash 52349753, now seen corresponding path program 1 times [2021-10-28 23:36:11,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:11,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861171957] [2021-10-28 23:36:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:11,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 23:36:11,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:11,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861171957] [2021-10-28 23:36:11,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861171957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:11,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:11,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:11,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311572115] [2021-10-28 23:36:11,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:11,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:11,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:11,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:11,619 INFO L87 Difference]: Start difference. First operand 5035 states and 6687 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:11,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:11,994 INFO L93 Difference]: Finished difference Result 10162 states and 13482 transitions. [2021-10-28 23:36:11,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:11,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 256 [2021-10-28 23:36:11,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:12,008 INFO L225 Difference]: With dead ends: 10162 [2021-10-28 23:36:12,009 INFO L226 Difference]: Without dead ends: 5135 [2021-10-28 23:36:12,016 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2021-10-28 23:36:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 5035. [2021-10-28 23:36:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.3112832737385778) internal successors, (6601), 5034 states have internal predecessors, (6601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6601 transitions. [2021-10-28 23:36:12,309 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6601 transitions. Word has length 256 [2021-10-28 23:36:12,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:12,309 INFO L470 AbstractCegarLoop]: Abstraction has 5035 states and 6601 transitions. [2021-10-28 23:36:12,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6601 transitions. [2021-10-28 23:36:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-10-28 23:36:12,325 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:12,326 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:12,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-28 23:36:12,327 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:12,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:12,327 INFO L85 PathProgramCache]: Analyzing trace with hash 212492165, now seen corresponding path program 1 times [2021-10-28 23:36:12,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:12,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438606011] [2021-10-28 23:36:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:12,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 23:36:12,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:12,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438606011] [2021-10-28 23:36:12,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438606011] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:12,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063113626] [2021-10-28 23:36:12,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:12,409 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:12,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:12,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:12,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 23:36:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:12,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:12,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-28 23:36:13,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063113626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:13,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:36:13,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:36:13,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135382857] [2021-10-28 23:36:13,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:13,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:13,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:13,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:13,609 INFO L87 Difference]: Start difference. First operand 5035 states and 6601 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:14,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:14,021 INFO L93 Difference]: Finished difference Result 9422 states and 12426 transitions. [2021-10-28 23:36:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:14,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 282 [2021-10-28 23:36:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:14,036 INFO L225 Difference]: With dead ends: 9422 [2021-10-28 23:36:14,036 INFO L226 Difference]: Without dead ends: 5375 [2021-10-28 23:36:14,042 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2021-10-28 23:36:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5055. [2021-10-28 23:36:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 5054 states have (on average 1.307281361297982) internal successors, (6607), 5054 states have internal predecessors, (6607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6607 transitions. [2021-10-28 23:36:14,256 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6607 transitions. Word has length 282 [2021-10-28 23:36:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:14,257 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 6607 transitions. [2021-10-28 23:36:14,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6607 transitions. [2021-10-28 23:36:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 23:36:14,273 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:14,276 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:14,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:14,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:14,501 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:14,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:14,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1760130215, now seen corresponding path program 1 times [2021-10-28 23:36:14,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:14,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747964993] [2021-10-28 23:36:14,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:14,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 23:36:14,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:14,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747964993] [2021-10-28 23:36:14,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747964993] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:14,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839059150] [2021-10-28 23:36:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:14,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:14,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:14,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 23:36:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:15,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:15,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2021-10-28 23:36:15,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839059150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:15,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:36:15,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:36:15,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847263236] [2021-10-28 23:36:15,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:15,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:15,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:15,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:15,914 INFO L87 Difference]: Start difference. First operand 5055 states and 6607 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:16,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:16,271 INFO L93 Difference]: Finished difference Result 10102 states and 13202 transitions. [2021-10-28 23:36:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:16,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 283 [2021-10-28 23:36:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:16,285 INFO L225 Difference]: With dead ends: 10102 [2021-10-28 23:36:16,285 INFO L226 Difference]: Without dead ends: 5055 [2021-10-28 23:36:16,292 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5055 states. [2021-10-28 23:36:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5055 to 5055. [2021-10-28 23:36:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 5054 states have (on average 1.3053027305104867) internal successors, (6597), 5054 states have internal predecessors, (6597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6597 transitions. [2021-10-28 23:36:16,578 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6597 transitions. Word has length 283 [2021-10-28 23:36:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:16,579 INFO L470 AbstractCegarLoop]: Abstraction has 5055 states and 6597 transitions. [2021-10-28 23:36:16,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6597 transitions. [2021-10-28 23:36:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-28 23:36:16,593 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:16,593 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:16,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:16,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:16,821 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:16,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash 228335597, now seen corresponding path program 1 times [2021-10-28 23:36:16,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:16,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206396254] [2021-10-28 23:36:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:16,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 23:36:16,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:16,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206396254] [2021-10-28 23:36:16,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206396254] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:16,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136952991] [2021-10-28 23:36:16,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:16,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:16,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:16,922 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:16,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 23:36:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:17,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:17,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-28 23:36:18,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136952991] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:18,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:18,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:36:18,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008188857] [2021-10-28 23:36:18,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:18,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:18,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:18,323 INFO L87 Difference]: Start difference. First operand 5055 states and 6597 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:18,916 INFO L93 Difference]: Finished difference Result 11826 states and 15346 transitions. [2021-10-28 23:36:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:18,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 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 283 [2021-10-28 23:36:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:18,936 INFO L225 Difference]: With dead ends: 11826 [2021-10-28 23:36:18,936 INFO L226 Difference]: Without dead ends: 6713 [2021-10-28 23:36:18,950 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:18,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2021-10-28 23:36:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 4419. [2021-10-28 23:36:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 4418 states have (on average 1.2847442281575374) internal successors, (5676), 4418 states have internal predecessors, (5676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5676 transitions. [2021-10-28 23:36:19,157 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5676 transitions. Word has length 283 [2021-10-28 23:36:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:19,158 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 5676 transitions. [2021-10-28 23:36:19,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5676 transitions. [2021-10-28 23:36:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-28 23:36:19,178 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:19,179 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 23:36:19,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:19,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:19,405 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:19,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:19,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1511923228, now seen corresponding path program 1 times [2021-10-28 23:36:19,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:19,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052284044] [2021-10-28 23:36:19,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:19,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-10-28 23:36:19,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:19,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052284044] [2021-10-28 23:36:19,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052284044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:19,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:19,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:19,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672744368] [2021-10-28 23:36:19,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:19,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:19,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:19,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:19,502 INFO L87 Difference]: Start difference. First operand 4419 states and 5676 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:19,714 INFO L93 Difference]: Finished difference Result 7455 states and 9474 transitions. [2021-10-28 23:36:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:19,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 321 [2021-10-28 23:36:19,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:19,722 INFO L225 Difference]: With dead ends: 7455 [2021-10-28 23:36:19,722 INFO L226 Difference]: Without dead ends: 2236 [2021-10-28 23:36:19,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:19,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2021-10-28 23:36:19,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2236. [2021-10-28 23:36:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2235 states have (on average 1.2644295302013422) internal successors, (2826), 2235 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2826 transitions. [2021-10-28 23:36:19,818 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2826 transitions. Word has length 321 [2021-10-28 23:36:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:19,819 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2826 transitions. [2021-10-28 23:36:19,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2826 transitions. [2021-10-28 23:36:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-10-28 23:36:19,826 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:19,826 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-10-28 23:36:19,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-28 23:36:19,827 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:19,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:19,827 INFO L85 PathProgramCache]: Analyzing trace with hash 761483812, now seen corresponding path program 1 times [2021-10-28 23:36:19,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:19,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946792611] [2021-10-28 23:36:19,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:19,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2021-10-28 23:36:19,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:19,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946792611] [2021-10-28 23:36:19,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946792611] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:19,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:19,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:19,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110383752] [2021-10-28 23:36:19,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:19,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:19,940 INFO L87 Difference]: Start difference. First operand 2236 states and 2826 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:20,134 INFO L93 Difference]: Finished difference Result 4474 states and 5650 transitions. [2021-10-28 23:36:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:20,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 360 [2021-10-28 23:36:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:20,142 INFO L225 Difference]: With dead ends: 4474 [2021-10-28 23:36:20,142 INFO L226 Difference]: Without dead ends: 2246 [2021-10-28 23:36:20,146 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2021-10-28 23:36:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2236. [2021-10-28 23:36:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2236 states, 2235 states have (on average 1.2532438478747203) internal successors, (2801), 2235 states have internal predecessors, (2801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2801 transitions. [2021-10-28 23:36:20,237 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2801 transitions. Word has length 360 [2021-10-28 23:36:20,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:20,237 INFO L470 AbstractCegarLoop]: Abstraction has 2236 states and 2801 transitions. [2021-10-28 23:36:20,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2801 transitions. [2021-10-28 23:36:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-10-28 23:36:20,244 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:20,245 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:20,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-28 23:36:20,245 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:20,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:20,246 INFO L85 PathProgramCache]: Analyzing trace with hash 35349519, now seen corresponding path program 1 times [2021-10-28 23:36:20,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:20,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098478252] [2021-10-28 23:36:20,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:20,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-28 23:36:20,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:20,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098478252] [2021-10-28 23:36:20,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098478252] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:20,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712357501] [2021-10-28 23:36:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:20,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:20,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:20,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 23:36:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:21,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:21,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2021-10-28 23:36:22,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712357501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:22,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:36:22,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 23:36:22,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145613970] [2021-10-28 23:36:22,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:22,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:22,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:22,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:22,315 INFO L87 Difference]: Start difference. First operand 2236 states and 2801 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:22,390 INFO L93 Difference]: Finished difference Result 2855 states and 3603 transitions. [2021-10-28 23:36:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:22,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2021-10-28 23:36:22,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:22,397 INFO L225 Difference]: With dead ends: 2855 [2021-10-28 23:36:22,397 INFO L226 Difference]: Without dead ends: 2763 [2021-10-28 23:36:22,399 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:22,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2763 states. [2021-10-28 23:36:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2763 to 2146. [2021-10-28 23:36:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.2587412587412588) internal successors, (2700), 2145 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2700 transitions. [2021-10-28 23:36:22,526 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2700 transitions. Word has length 393 [2021-10-28 23:36:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:22,527 INFO L470 AbstractCegarLoop]: Abstraction has 2146 states and 2700 transitions. [2021-10-28 23:36:22,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2700 transitions. [2021-10-28 23:36:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-10-28 23:36:22,535 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:22,535 INFO L513 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:22,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:22,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-28 23:36:22,751 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:22,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash 431667755, now seen corresponding path program 1 times [2021-10-28 23:36:22,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:22,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448073815] [2021-10-28 23:36:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:22,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-10-28 23:36:22,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:22,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448073815] [2021-10-28 23:36:22,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448073815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:22,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109509104] [2021-10-28 23:36:22,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:22,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:22,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:22,868 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:22,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-28 23:36:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:23,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:23,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2021-10-28 23:36:24,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109509104] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:24,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:24,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:36:24,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293312004] [2021-10-28 23:36:24,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:24,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:24,836 INFO L87 Difference]: Start difference. First operand 2146 states and 2700 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:25,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:25,214 INFO L93 Difference]: Finished difference Result 5212 states and 6569 transitions. [2021-10-28 23:36:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:25,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 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 533 [2021-10-28 23:36:25,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:25,220 INFO L225 Difference]: With dead ends: 5212 [2021-10-28 23:36:25,220 INFO L226 Difference]: Without dead ends: 3032 [2021-10-28 23:36:25,224 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:25,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2021-10-28 23:36:25,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2206. [2021-10-28 23:36:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2205 states have (on average 1.2607709750566893) internal successors, (2780), 2205 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2780 transitions. [2021-10-28 23:36:25,319 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2780 transitions. Word has length 533 [2021-10-28 23:36:25,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:25,320 INFO L470 AbstractCegarLoop]: Abstraction has 2206 states and 2780 transitions. [2021-10-28 23:36:25,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2780 transitions. [2021-10-28 23:36:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2021-10-28 23:36:25,328 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:25,329 INFO L513 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 11, 11, 8, 6, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:25,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:25,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-28 23:36:25,545 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash 316649701, now seen corresponding path program 1 times [2021-10-28 23:36:25,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:25,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269498041] [2021-10-28 23:36:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:25,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2066 proven. 0 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2021-10-28 23:36:25,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:25,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269498041] [2021-10-28 23:36:25,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269498041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:25,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:25,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:25,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343878638] [2021-10-28 23:36:25,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:25,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:25,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:25,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:25,713 INFO L87 Difference]: Start difference. First operand 2206 states and 2780 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:25,912 INFO L93 Difference]: Finished difference Result 4584 states and 5788 transitions. [2021-10-28 23:36:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:25,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 595 [2021-10-28 23:36:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:25,916 INFO L225 Difference]: With dead ends: 4584 [2021-10-28 23:36:25,916 INFO L226 Difference]: Without dead ends: 2386 [2021-10-28 23:36:25,919 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2386 states. [2021-10-28 23:36:26,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2386 to 2376. [2021-10-28 23:36:26,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2375 states have (on average 1.2526315789473683) internal successors, (2975), 2375 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2975 transitions. [2021-10-28 23:36:26,041 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2975 transitions. Word has length 595 [2021-10-28 23:36:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:26,042 INFO L470 AbstractCegarLoop]: Abstraction has 2376 states and 2975 transitions. [2021-10-28 23:36:26,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2975 transitions. [2021-10-28 23:36:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2021-10-28 23:36:26,052 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:26,053 INFO L513 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:26,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-28 23:36:26,054 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:26,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:26,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1796704043, now seen corresponding path program 1 times [2021-10-28 23:36:26,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:26,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612378428] [2021-10-28 23:36:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:26,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4945 backedges. 2605 proven. 0 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2021-10-28 23:36:26,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:26,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612378428] [2021-10-28 23:36:26,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612378428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:26,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:26,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:26,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810507869] [2021-10-28 23:36:26,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:26,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:26,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:26,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:26,199 INFO L87 Difference]: Start difference. First operand 2376 states and 2975 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:26,381 INFO L93 Difference]: Finished difference Result 4739 states and 5928 transitions. [2021-10-28 23:36:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:26,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 657 [2021-10-28 23:36:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:26,386 INFO L225 Difference]: With dead ends: 4739 [2021-10-28 23:36:26,386 INFO L226 Difference]: Without dead ends: 2371 [2021-10-28 23:36:26,390 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:26,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2021-10-28 23:36:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2371. [2021-10-28 23:36:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 1.2320675105485233) internal successors, (2920), 2370 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 2920 transitions. [2021-10-28 23:36:26,483 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 2920 transitions. Word has length 657 [2021-10-28 23:36:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:26,484 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 2920 transitions. [2021-10-28 23:36:26,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2920 transitions. [2021-10-28 23:36:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2021-10-28 23:36:26,494 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:26,495 INFO L513 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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] [2021-10-28 23:36:26,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-28 23:36:26,495 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash -372840571, now seen corresponding path program 1 times [2021-10-28 23:36:26,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:26,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788608494] [2021-10-28 23:36:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:26,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-10-28 23:36:26,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:26,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788608494] [2021-10-28 23:36:26,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788608494] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:26,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622493785] [2021-10-28 23:36:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:26,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:36:26,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:26,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:36:26,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-28 23:36:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:27,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:36:27,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2021-10-28 23:36:29,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622493785] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:36:29,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:36:29,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-28 23:36:29,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050094846] [2021-10-28 23:36:29,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:29,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:29,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:29,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:29,221 INFO L87 Difference]: Start difference. First operand 2371 states and 2920 transitions. Second operand has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:29,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:29,461 INFO L93 Difference]: Finished difference Result 4081 states and 5070 transitions. [2021-10-28 23:36:29,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:36:29,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 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 723 [2021-10-28 23:36:29,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:29,463 INFO L225 Difference]: With dead ends: 4081 [2021-10-28 23:36:29,463 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:36:29,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:29,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:36:29,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:36:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:36:29,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2021-10-28 23:36:29,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:29,471 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:29,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.5) internal successors, (234), 4 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:29,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:36:29,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:29,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:29,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-10-28 23:36:29,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:36:29,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:29,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:30,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:30,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:30,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:31,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:32,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:43,926 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2021-10-28 23:36:43,926 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2021-10-28 23:36:43,927 INFO L853 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,927 INFO L853 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse1 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse2 .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse2 .cse1 .cse3))) [2021-10-28 23:36:43,927 INFO L853 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,928 INFO L853 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse8 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse9 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse9))) [2021-10-28 23:36:43,928 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2021-10-28 23:36:43,928 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-10-28 23:36:43,928 INFO L853 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,929 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-10-28 23:36:43,929 INFO L857 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 23:36:43,929 INFO L860 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2021-10-28 23:36:43,929 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2021-10-28 23:36:43,929 INFO L857 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2021-10-28 23:36:43,929 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2021-10-28 23:36:43,930 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2021-10-28 23:36:43,930 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2021-10-28 23:36:43,930 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:36:43,930 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2021-10-28 23:36:43,930 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-10-28 23:36:43,931 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-10-28 23:36:43,932 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2021-10-28 23:36:43,932 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2021-10-28 23:36:43,932 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2021-10-28 23:36:43,932 INFO L853 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672))) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0))) (.cse2 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-10-28 23:36:43,932 INFO L853 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3))) [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2021-10-28 23:36:43,933 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2021-10-28 23:36:43,934 INFO L853 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse17 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse26 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (not .cse0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse28 (not .cse17)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse12 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse16 (not .cse1)) (.cse6 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse1 .cse2) (and .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse5 .cse2) (and .cse7 .cse3 .cse4 .cse6) (and .cse10 .cse11 .cse8 .cse12 .cse13 .cse14) (and .cse8 .cse15 .cse16 .cse9) (and .cse1 .cse2 .cse17) (and .cse2 .cse18) (and .cse3 .cse4 .cse6 .cse14) (and .cse19 .cse5 .cse14) (and .cse15 .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse20 .cse21 .cse22) (and .cse23 .cse24 .cse19 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse25 .cse7 .cse13 .cse26 .cse21) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse1 .cse2) (and .cse8 .cse9 .cse5 .cse2) (and .cse23 .cse24 .cse19 .cse11 .cse25 .cse13 .cse26 .cse21 .cse14) (and .cse10 .cse11 .cse27 .cse7 .cse8 .cse28 .cse12 .cse13) (and .cse8 .cse9 .cse14) (and .cse19 .cse7 .cse5) (and .cse20 .cse3 .cse4 .cse29 .cse5 .cse6) (and .cse19 .cse1 .cse5 .cse2) (and .cse15 .cse16 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse21 .cse22) (and .cse1 .cse30 .cse5 .cse2) (and .cse8 .cse16 .cse9 .cse2) (and .cse11 .cse27 .cse7 .cse8 .cse30 .cse28 .cse12 .cse13) (and .cse11 .cse8 .cse30 .cse12 .cse13 .cse14) (and .cse20 .cse3 .cse4 .cse15 .cse16 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse2) (and .cse20 .cse3 .cse4 .cse29 .cse16 .cse6)))) [2021-10-28 23:36:43,934 INFO L857 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2021-10-28 23:36:43,934 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2021-10-28 23:36:43,935 INFO L853 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse1 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse2 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448))) (or (and .cse0 .cse1 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse0 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3) .cse2 .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse1 .cse2 .cse3) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640) (not .cse0) (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse2 .cse3) (and .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1) .cse3))) [2021-10-28 23:36:43,935 INFO L853 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse9 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2) .cse10))) [2021-10-28 23:36:43,935 INFO L857 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-10-28 23:36:43,935 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2021-10-28 23:36:43,936 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2021-10-28 23:36:43,937 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2021-10-28 23:36:43,937 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2021-10-28 23:36:43,937 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2021-10-28 23:36:43,937 INFO L853 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse4 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse2 (not (= 12292 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse4 .cse0 .cse1 .cse2 (not (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) .cse3) (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) .cse3))) [2021-10-28 23:36:43,938 INFO L853 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: false [2021-10-28 23:36:43,938 INFO L860 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2021-10-28 23:36:43,938 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2021-10-28 23:36:43,938 INFO L853 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse3 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,938 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2021-10-28 23:36:43,938 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2021-10-28 23:36:43,939 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2021-10-28 23:36:43,939 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2021-10-28 23:36:43,939 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2021-10-28 23:36:43,939 INFO L857 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2021-10-28 23:36:43,939 INFO L853 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 23:36:43,940 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 23:36:43,940 INFO L853 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 23:36:43,940 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-10-28 23:36:43,940 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2021-10-28 23:36:43,940 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2021-10-28 23:36:43,941 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:36:43,941 INFO L853 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) [2021-10-28 23:36:43,941 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2021-10-28 23:36:43,941 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2021-10-28 23:36:43,941 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2021-10-28 23:36:43,941 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2021-10-28 23:36:43,942 INFO L857 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2021-10-28 23:36:43,943 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2021-10-28 23:36:43,943 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2021-10-28 23:36:43,943 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2021-10-28 23:36:43,943 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2021-10-28 23:36:43,943 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2021-10-28 23:36:43,944 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2021-10-28 23:36:43,944 INFO L853 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse7 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse8 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse9 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse10 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse7 .cse8 .cse9 .cse10))) [2021-10-28 23:36:43,944 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and .cse0 .cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse2 .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 23:36:43,944 INFO L853 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,945 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:36:43,945 INFO L860 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2021-10-28 23:36:43,945 INFO L853 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0)) (.cse17 (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (let ((.cse18 (<= ULTIMATE.start_ssl3_accept_~s__state~0 3)) (.cse23 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse24 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8480))) (.cse25 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8481))) (.cse26 (not (= 8448 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse10 (= ULTIMATE.start_ssl3_accept_~s__state~0 8592)) (.cse19 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse21 (<= 8448 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse22 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8448)) (.cse5 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576)) (.cse9 (<= 8640 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse27 (not .cse0)) (.cse7 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0)) (.cse28 (not .cse17)) (.cse11 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8640)) (.cse30 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608)) (.cse12 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse13 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse14 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (.cse15 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8640)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (.cse20 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 3)) (.cse3 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8672)) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8657))) (.cse29 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8656))) (.cse16 (not .cse1)) (.cse6 (<= 8656 ULTIMATE.start_ssl3_accept_~s__state~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse2) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8512) .cse1 .cse2) (and .cse7 .cse8 .cse9) (and .cse10 .cse1 .cse5 .cse2) (and .cse7 .cse3 .cse4 .cse6) (and .cse10 .cse11 .cse8 .cse12 .cse13 .cse14) (and .cse8 .cse15 .cse16 .cse9) (and .cse1 .cse2 .cse17) (and .cse2 .cse18) (and .cse3 .cse4 .cse6 .cse14) (and .cse19 .cse5 .cse14) (and .cse15 .cse18) (and (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 3) .cse1 .cse20 .cse21 .cse22) (and .cse23 .cse24 .cse19 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0)) .cse11 .cse25 .cse7 .cse13 .cse26 .cse21) (and (= ULTIMATE.start_ssl3_accept_~s__state~0 8528) .cse1 .cse2) (and .cse8 .cse9 .cse5 .cse2) (and .cse23 .cse24 .cse19 .cse11 .cse25 .cse13 .cse26 .cse21 .cse14) (and .cse10 .cse11 .cse27 .cse7 .cse8 .cse28 .cse12 .cse13) (and .cse8 .cse9 .cse14) (and .cse19 .cse7 .cse5) (and .cse20 .cse3 .cse4 .cse29 .cse5 .cse6) (and .cse19 .cse1 .cse5 .cse2) (and .cse15 .cse16 (<= 8640 ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0) .cse21 .cse22) (and .cse1 .cse30 .cse5 .cse2) (and .cse8 .cse16 .cse9 .cse2) (and .cse11 .cse27 .cse7 .cse8 .cse30 .cse28 .cse12 .cse13) (and .cse11 .cse8 .cse30 .cse12 .cse13 .cse14) (and .cse20 .cse3 .cse4 .cse15 .cse16 .cse6) (and .cse3 .cse4 .cse16 .cse6 .cse2) (and .cse20 .cse3 .cse4 .cse29 .cse16 .cse6)))) [2021-10-28 23:36:43,946 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2021-10-28 23:36:43,946 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2021-10-28 23:36:43,946 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2021-10-28 23:36:43,946 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2021-10-28 23:36:43,946 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2021-10-28 23:36:43,947 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2021-10-28 23:36:43,948 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L853 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2021-10-28 23:36:43,949 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_ssl3_accept_~s__state~0 8608))) (or (and (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse0) (and .cse0 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)) (and (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse0 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576) (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)))) [2021-10-28 23:36:43,949 INFO L853 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse1 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse2 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse3 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (<= 8512 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545)))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse3 .cse4 .cse5 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2021-10-28 23:36:43,949 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2021-10-28 23:36:43,950 INFO L853 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (not (= 8497 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse1 (<= 8480 ULTIMATE.start_ssl3_accept_~s__state~0)) (.cse2 (<= ULTIMATE.start_ssl3_accept_~s__state~0 8576)) (.cse3 (not (= 8496 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse4 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8561))) (.cse5 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8544))) (.cse6 (not (= 8560 ULTIMATE.start_ssl3_accept_~s__state~0))) (.cse7 (not (= ULTIMATE.start_ssl3_accept_~s__state~0 8545))) (.cse8 (<= ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0 8576))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_ssl3_accept_~s__hit~0 0) .cse6 .cse7 .cse8 (<= ULTIMATE.start_ssl3_accept_~blastFlag~0 2)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_ssl3_accept_~blastFlag~0 1)))) [2021-10-28 23:36:43,950 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2021-10-28 23:36:43,951 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2021-10-28 23:36:43,952 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2021-10-28 23:36:43,955 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:43,957 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:36:44,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:36:44 BoogieIcfgContainer [2021-10-28 23:36:44,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:36:44,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:44,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:44,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:44,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:35:58" (3/4) ... [2021-10-28 23:36:44,026 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:36:44,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 23:36:44,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 23:36:44,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:36:44,054 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:36:44,161 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:36:44,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:44,163 INFO L168 Benchmark]: Toolchain (without parser) took 47919.17 ms. Allocated memory was 88.1 MB in the beginning and 566.2 MB in the end (delta: 478.2 MB). Free memory was 54.6 MB in the beginning and 448.8 MB in the end (delta: -394.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,164 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:44,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.92 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 61.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.01 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 58.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,165 INFO L168 Benchmark]: Boogie Preprocessor took 96.72 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,166 INFO L168 Benchmark]: RCFGBuilder took 1046.97 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 56.5 MB in the beginning and 82.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,166 INFO L168 Benchmark]: TraceAbstraction took 45962.95 ms. Allocated memory was 111.1 MB in the beginning and 566.2 MB in the end (delta: 455.1 MB). Free memory was 82.6 MB in the beginning and 461.3 MB in the end (delta: -378.8 MB). Peak memory consumption was 405.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,167 INFO L168 Benchmark]: Witness Printer took 140.47 ms. Allocated memory is still 566.2 MB. Free memory was 461.3 MB in the beginning and 448.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:44,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory was 61.7 MB in the beginning and 61.7 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 525.92 ms. Allocated memory is still 88.1 MB. Free memory was 54.6 MB in the beginning and 61.4 MB in the end (delta: -6.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.01 ms. Allocated memory is still 88.1 MB. Free memory was 61.4 MB in the beginning and 58.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.72 ms. Allocated memory is still 88.1 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1046.97 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 56.5 MB in the beginning and 82.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 45962.95 ms. Allocated memory was 111.1 MB in the beginning and 566.2 MB in the end (delta: 455.1 MB). Free memory was 82.6 MB in the beginning and 461.3 MB in the end (delta: -378.8 MB). Peak memory consumption was 405.6 MB. Max. memory is 16.1 GB. * Witness Printer took 140.47 ms. Allocated memory is still 566.2 MB. Free memory was 461.3 MB in the beginning and 448.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 619]: 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, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.8s, OverallIterations: 39, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 7382 SDtfs, 4553 SDslu, 3427 SDs, 0 SdLazy, 3933 SolverSat, 1076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3121 GetRequests, 3066 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5055occurred in iteration=30, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 39 MinimizatonAttempts, 6779 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 260 NumberOfFragments, 2609 HoareAnnotationTreeSize, 28 FomulaSimplifications, 417097 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 28 FomulaSimplificationsInter, 120232 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 11577 NumberOfCodeBlocks, 11577 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 11530 ConstructedInterpolants, 0 QuantifiedInterpolants, 15349 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5044 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 47 InterpolantComputations, 35 PerfectInterpolantSequences, 44574/44754 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && 8480 <= s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && !(s__state == 8545)) && blastFlag <= 2) || ((((((((((!(8497 == s__state) && 8480 <= s__state) && !(s__state == 8480)) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__state <= 8640) && !(8560 == s__state)) && s__s3__tmp__next_state___0 <= 8640) && !(s__state == 8545)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8672) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2) || (((!(s__state == 8672) && blastFlag == 0) && s__state <= 8672) && 8656 <= s__state)) || (((!(s__state == 8672) && s__state <= 8672) && 8656 <= s__state) && blastFlag == 1)) || (((((!(s__state == 8672) && blastFlag <= 3) && s__state <= 8672) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((!(s__state == 8672) && s__state <= 8672) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((blastFlag == 0 && s__state == 8608) || (s__state == 8608 && blastFlag == 1)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || (((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 2) && 8448 <= s__state) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(s__state == 8672) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__state == 8544 && s__hit == 0) && blastFlag <= 2) || ((((s__state <= 8672 && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2)) || ((s__state == 8512 && s__hit == 0) && blastFlag <= 2)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || (((s__state == 8592 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8656 <= s__state)) || (((((s__state == 8592 && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && 8560 == s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((s__state <= 8672 && !(s__state == 8657)) && 8656 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8528 && s__hit == 0) && blastFlag <= 2)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((s__state == 8592 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2)) || (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || (((((!(s__state == 8561) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8656 <= s__state) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag == 1) || ((((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) && blastFlag <= 2)) || (((((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && !(8448 == s__state)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) && 8448 <= s__state) && s__state <= 8448) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((blastFlag == 0 && s__s3__tmp__next_state___0 <= 8576) && 8448 <= s__state) && s__state <= 8448)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__s3__tmp__next_state___0 <= 8576 && 8448 <= s__state) && blastFlag == 1) && s__state <= 8448) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) || ((((((!(s__state == 8561) && !(s__state == 8544)) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || ((((((((!(s__state == 8561) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((((((s__state <= 8576 && !(s__state == 8561)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag <= 2) || ((((s__state <= 8576 && !(s__state == 8561)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state)) || ((((s__state <= 8576 && !(s__state == 8561)) && !(8560 == s__state)) && 8512 <= s__state) && blastFlag == 1) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: ((((((!(s__state == 8657) && !(s__state == 8656)) && !(12292 == s__state)) && 8656 <= s__state) && blastFlag == 1) || (((((blastFlag <= 3 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && !(s__hit == 0)) && 8656 <= s__state)) || ((((blastFlag == 0 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && 8656 <= s__state)) || (((((blastFlag <= 3 && !(s__state == 8657)) && !(s__state == 8656)) && !(12292 == s__state)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) || ((((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((((((((!(8497 == s__state) && 8480 <= s__state) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (((((s__state <= 8576 && !(s__state == 8544)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) || (((((s__state <= 8576 && !(s__state == 8544)) && s__hit == 0) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2)) || ((((s__state <= 8576 && !(s__state == 8544)) && blastFlag == 0) && 8512 <= s__state) && !(s__state == 8545)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) || ((((((!(s__state == 8561) && !(s__state == 8544)) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || ((((((((!(s__state == 8561) && !(s__state == 8544)) && s__hit == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && !(8560 == s__state)) && !(s__state == 8545)) && blastFlag == 1) || (((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && blastFlag == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576)) || ((((((((((8480 <= s__state && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8544)) && !(s__state == 8481)) && s__hit == 0) && !(8560 == s__state)) && !(s__state == 8545)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && s__hit == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag <= 2) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((((((s__state <= 8576 && !(s__state == 8561)) && !(s__state == 8544)) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((s__state == 8544 && s__hit == 0) && blastFlag <= 2) || ((((s__state <= 8672 && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state) && blastFlag <= 2)) || ((s__state == 8512 && s__hit == 0) && blastFlag <= 2)) || ((blastFlag == 0 && s__state <= 8640) && 8640 <= s__state)) || (((s__state == 8592 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((blastFlag == 0 && s__state <= 8672) && !(s__state == 8657)) && 8656 <= s__state)) || (((((s__state == 8592 && !(s__state == 8561)) && s__state <= 8640) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8640 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && 8560 == s__state)) || (blastFlag <= 2 && s__state <= 3)) || (((s__state <= 8672 && !(s__state == 8657)) && 8656 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 1)) || (s__s3__tmp__next_state___0 <= 8640 && s__state <= 3)) || ((((s__s3__tmp__next_state___0 <= 3 && s__hit == 0) && blastFlag <= 3) && 8448 <= s__state) && s__state <= 8448)) || (((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(8496 == s__state)) && !(s__state == 8561)) && !(s__state == 8481)) && blastFlag == 0) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state)) || ((s__state == 8528 && s__hit == 0) && blastFlag <= 2)) || (((s__state <= 8640 && 8640 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((((((!(8497 == s__state) && !(s__state == 8480)) && s__state <= 8576) && !(s__state == 8561)) && !(s__state == 8481)) && !(s__state == 8545)) && !(8448 == s__state)) && 8448 <= s__state) && blastFlag == 1)) || (((((((s__state == 8592 && !(s__state == 8561)) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || ((s__state <= 8640 && 8640 <= s__state) && blastFlag == 1)) || ((s__state <= 8576 && blastFlag == 0) && s__s3__tmp__next_state___0 <= 8576)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && s__s3__tmp__next_state___0 <= 8576) && 8656 <= s__state)) || (((s__state <= 8576 && s__hit == 0) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || ((((s__s3__tmp__next_state___0 <= 8640 && !(s__hit == 0)) && 8640 <= s__s3__tmp__next_state___0) && 8448 <= s__state) && s__state <= 8448)) || (((s__hit == 0 && s__state == 8608) && s__s3__tmp__next_state___0 <= 8576) && blastFlag <= 2)) || (((s__state <= 8640 && !(s__hit == 0)) && 8640 <= s__state) && blastFlag <= 2)) || (((((((!(s__state == 8561) && !(s__state == 8544)) && blastFlag == 0) && s__state <= 8640) && s__state == 8608) && !(8560 == s__state)) && 8512 <= s__state) && !(s__state == 8545))) || (((((!(s__state == 8561) && s__state <= 8640) && s__state == 8608) && 8512 <= s__state) && !(s__state == 8545)) && blastFlag == 1)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && s__s3__tmp__next_state___0 <= 8640) && !(s__hit == 0)) && 8656 <= s__state)) || ((((s__state <= 8672 && !(s__state == 8657)) && !(s__hit == 0)) && 8656 <= s__state) && blastFlag <= 2)) || (((((blastFlag <= 3 && s__state <= 8672) && !(s__state == 8657)) && !(s__state == 8656)) && !(s__hit == 0)) && 8656 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:36:44,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3ae8f5-7243-454d-a36f-3d17a031efdb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...